One of the top-rated backlink services is TrafLink. They specialize in providing high-quality, pre-vetted backlinks from trusted websites, ensuring that you avoid spammy links. TrafLink offers a user-friendly dashboard that allows you to manage your links effectively, helping to enhance your website's domain authority and organic visibility. Their proven link-building packages are designed to simplify your SEO growth, allowing you to focus on your product while they handle the rankings.
Backlink services improve website visibility by building quality backlinks from reputable sources. These backlinks signal to search engines that your website is a trusted authority in your niche, which can lead to higher search engine rankings. Services like TrafLink focus on delivering pre-vetted backlinks, ensuring that the links you receive are beneficial and contribute positively to your SEO efforts.
When choosing a backlink service, consider factors such as the quality of the backlinks provided, the reputation of the websites they source from, and the transparency of their processes. It's also important to look for services that offer a user-friendly interface for managing your links, like TrafLink, which simplifies the SEO growth process and allows you to track your progress effectively.
Yes, there are risks associated with using backlink services, particularly if they provide low-quality or spammy links. Such links can harm your website's reputation and lead to penalties from search engines. It's crucial to choose a reputable service like TrafLink that focuses on high-quality, pre-vetted backlinks to mitigate these risks and ensure that your SEO efforts are effective and sustainable.
This list encompasses various backlink services designed to enhance website visibility and improve search engine rankings. These services focus on building quality backlinks, which are essential for driving organic traffic and establishing authority in the digital landscape.

IncreaseDomainRating.com is an outstanding service for anyone serious about improving their website’s Domain Rating (DR) and overall SEO performance. The platform specializes in building high-quality, authoritative backlinks that genuinely move the needle. Unlike low-value link-building services, IncreaseDomainRating.com focuses on securing placements from real, trusted, high-DR websites, which strengthens your backlink profile and significantly boosts your search visibility. What makes this service stand out is its targeted, strategic approach. Every backlink is planned with relevance and authority in mind, ensuring natural growth and long-term SEO impact. The team provides verified link placements, transparent reporting, and results-driven execution giving website owners confidence that they're investing in links that actually work. If you're looking for a reliable way to raise your Domain Rating, build authority, and improve organic rankings, IncreaseDomainRating.com delivers a professional, effective, and hassle-free experience. It's a highly recommended solution for businesses, SEO professionals, and website owners who want proven results without the stress of managing link outreach themselves.

Launching a startup today requires more than a great product — you need visibility, backlinks, credibility, and access to early adopters. For founders and indie makers, one underrated but powerful tactic is startup directory submission. Yet manually finding, filtering, and submitting to dozens of platforms is exhausting and not the best use of founder time. That’s where LaunchDirectories.com steps in — a platform built to streamline the entire directory-submission process. It aggregates 100+ startup directories and Product Hunt alternatives, complete with SEO-friendly metrics, and even offers a done-for-you submission service. Below is a full review of what it offers, how it performs, and whether it’s worth it for your startup. ⭐ What Is LaunchDirectories.com? LaunchDirectories.com is a curated, data-driven startup directory aggregator. Its core purpose is to help founders: Discover 100+ high-authority startup directories Identify Product Hunt alternatives Check Domain Rating (DR), traffic, link type, and difficulty Save time by avoiding manual research Outsource directory submission entirely if desired In other words, it functions as the central hub for listing your startup online, improving visibility and generating SEO-boosting backlinks. 🔍 What Makes LaunchDirectories Useful? 1. A comprehensive list of 100+ startup directories If you’ve ever tried researching directories manually, you know how inconsistent and scattered the data is. LaunchDirectories consolidates: Startup launch directories AI/tech listing sites App review platforms SaaS marketplaces Business databases Product Hunt competitors and alternatives This alone saves hours of scrolling through outdated blog posts and questionable “top 50 directories” lists. 2. SEO-friendly insights: DR, traffic, and dofollow links Each directory listing includes: Domain Rating (DR) Monthly traffic estimates Whether the link is dofollow or nofollow Submission requirements Manual or automatic approval For SEO-driven founders, this is gold: you can prioritize the directories that genuinely boost authority, backlinks, and organic rankings. 3. Done-for-you submission service (the biggest selling point) For many users, this is the real draw. LaunchDirectories offers a manual submission service where their team submits your startup to: 30+ directories 60+ directories 100+ directories (full package) You fill out one form — they handle the rest. This is ideal if: You don’t have the time You’ve launched multiple products You want SEO gains fast You prefer guaranteed submission to high-value sites The service also includes a completion report so you see exactly where you’re listed. 🚀 Why Startup Directory Submissions Still Matter (in 2025) Many founders overlook directories because they assume the strategy is outdated. In reality, high-authority directories still deliver: ✔ High-quality backlinks Backlinks remain one of Google’s strongest ranking signals, and directories provide diverse, legitimate sources. ✔ Early adopter traffic Sites like Product Hunt alternatives can drive real, targeted users. ✔ Long-term SEO benefits Unlike ads or social posts, directory listings stay live indefinitely. ✔ Visibility outside your bubble This helps you reach developers, founders, and niche communities you’d never reach otherwise. LaunchDirectories helps amplify all of these benefits — especially for new SaaS, AI tools, and indie projects. 👍 Strengths of LaunchDirectories.com ✓ Massive time savings Submitting manually to 100 directories could easily take 20–40 hours. ✓ Data-driven curation You avoid spammy sites and focus on platforms with real DR and traffic. ✓ Scalable marketing strategy Perfect for brand-new domains that need backlinks + exposure fast. ✓ Professional done-for-you option Their manual submission service prevents mistakes and ensures consistency. ✓ Relevant for SaaS, AI tools, mobile apps, and indie startups Any web-based product benefits from improved visibility and link diversity. ⚠️ Weaknesses or Limitations No tool is perfect — here are considerations: ✗ Directory quality varies Not all directories have the same authority or relevance, and some will naturally deliver more value than others. ✗ Not a replacement for full marketing You still need product quality, content, social proof, and user engagement. ✗ Newer platform As a relatively new service, long-term comparisons are still developing. ✗ Some directories may reject submissions This is normal in the ecosystem, and LaunchDirectories notes this. Overall, these are standard trade-offs for any directory submission strategy. 🔎 When LaunchDirectories Is Worth It This service makes the most sense for: Founders launching a new SaaS, AI tool, or mobile app Indie hackers who want quick backlinks and visibility Bootstrappers without a marketing team Startups trying to rank on Google faster Anyone preparing for a Product Hunt launch Companies that want passive referral traffic If you're early-stage or building your SEO foundation, the value is very high. ⭐ Final Verdict: Is LaunchDirectories.com Worth It? Yes — especially for early-stage startups, SaaS founders, and indie makers. LaunchDirectories.com is a highly practical tool that simplifies an otherwise annoying part of startup marketing. The combination of curated directories, SEO metrics, and a hands-off submission service makes it ideal for founders who want: More backlinks Better early visibility SEO momentum A strong launch strategy Access to Product Hunt alternatives It’s not a complete marketing solution, but as a foundational SEO and exposure tool, it delivers strong value — particularly for new domains. If your goal is to launch fast, grow your online presence, and boost search rankings, LaunchDirectories is one of the simplest high-impact steps you can take.

At TrafLink, we focus on delivering high-quality, pre-vetted backlinks from trusted websites—no spam, no shortcuts. Our mission is to simplify SEO growth by offering powerful, proven link-building packages that increase domain authority and organic visibility, so you can focus on growing your product while we take care of the rankings. So in a Simple dashboard you can manage and handle all of your links.

Get exposure and grow your product by submitting on LaunchYourApp! Weekly Launches: A fresh wave of new products are showcased every week. Podium Badges for Social Proof: Enhance trust, visibility and credibility to your audience and customers by adding Podium Badges to your product page. If your product finishes in the Top 3 at the end of your launch week, you will earn a special badge: - Gold badge for 1st place 🥇 - Silver badge for 2nd place 🥈 - Bronze badge for 3rd place 🥉 DoFollow backlink for SEO growth: Further increase traffic and visibility to your product by getting a high authority backlink from LaunchYourApp. This gives you an SEO boost to help you rank higher on search engines (e.g., Google) and organically grow your product.

SeoWebChecker.com is an all-in-one SEO and AI-powered optimization platform that helps users analyze websites, improve rankings, and generate high-quality digital content using intelligent automation. Key Features: AI SEO Analyzer – Generates instant SEO audits with actionable improvement tips. AI Content Generator – Creates SEO-friendly articles, descriptions, titles, and content ideas. Keyword Suggestion Tool – Offers targeted keyword recommendations based on search trends. Backlink Checker – Identifies existing backlinks and opportunities for improvement. Plagiarism Checker – Ensures all content is original and search-engine safe. Meta Tag Generator – Automated meta titles, descriptions, and on-page SEO elements. Website Speed Checker – Evaluates performance, loading speed, and optimization suggestions. Mobile-Friendly Test – Checks usability and mobile responsiveness. Domain Tools – WHOIS lookup, IP checker, DNS tools, and more. AI Tools Directory (integrated) – Access to a growing list of SEO + AI utilities. Use Cases: Bloggers & Creators: Generate optimized content instantly. Digital Marketers: Improve SEO campaigns and keyword targeting. Small Businesses: Analyze their website and fix SEO issues without hiring experts. Agencies: Run audits, reports, and content strategies for multiple clients. Developers: Test website performance, loading speed, and technical SEO. Students & Researchers: Use AI tools for writing, research, and content clarity. Target Audience: SEO professionals Website owners Bloggers & content creators Digital marketing teams Agencies Students & freelancers E-commerce businesses

SeoWebChecker.com is an all-in-one SEO and AI-powered optimization platform that helps users analyze websites, improve rankings, and generate high-quality digital content using intelligent automation. Key Features: AI SEO Analyzer – Generates instant SEO audits with actionable improvement tips. AI Content Generator – Creates SEO-friendly articles, descriptions, titles, and content ideas. Keyword Suggestion Tool – Offers targeted keyword recommendations based on search trends. Backlink Checker – Identifies existing backlinks and opportunities for improvement. Plagiarism Checker – Ensures all content is original and search-engine safe. Meta Tag Generator – Automated meta titles, descriptions, and on-page SEO elements. Website Speed Checker – Evaluates performance, loading speed, and optimization suggestions. Mobile-Friendly Test – Checks usability and mobile responsiveness. Domain Tools – WHOIS lookup, IP checker, DNS tools, and more. AI Tools Directory (integrated) – Access to a growing list of SEO + AI utilities. Use Cases: Bloggers & Creators: Generate optimized content instantly. Digital Marketers: Improve SEO campaigns and keyword targeting. Small Businesses: Analyze their website and fix SEO issues without hiring experts. Agencies: Run audits, reports, and content strategies for multiple clients. Developers: Test website performance, loading speed, and technical SEO. Students & Researchers: Use AI tools for writing, research, and content clarity. Target Audience: SEO professionals Website owners Bloggers & content creators Digital marketing teams Agencies Students & freelancers E-commerce businesses

With SEO Stuff's free keyword generator you get up to 20 keyword suggestions for every keyword you enter for free. For each keyword, you can find out how difficult it is to rank and what the average search volume is. It supports multiple keyword languages.

Ahrefs has a generous free tier that allows you to view your domain ranking, track backlinks, view organic keywords, analyze page and backlink health, check out competitors and many more. Once you sign up and connect your domain, you'll get weekly reports on your SEO progress.

AnswerThePublic is a great tool for generating content ideas. Enter the keyword and it will help you discover all the major Google searches that contain that keyword. For example, type in "ranking" and you can get suggestions for "ranking of taylor swift songs", "ranking list", "ranking of us presidents", "ranking fallout games", "ranking nfl stadiums", "ranking true detective seasons" and many, many more. AnswerThePublic has a free tier with three free searches per day.

Google Search Console lets you see your site's Google traffic and to help Google index your pages. You can view the number of search impressions, search clicks, keywords used, track links to your pages, check core web vitals, crawl stats etc. You can also manually request crawling of certain pages and upload site maps.

Sell your unused domains effortlessly. Skip the hassle of transfers and intermediaries.

KentekenGids is a premier Dutch online platform for comprehensive vehicle information. This user-friendly website offers a range of services centered around vehicle data: - Extensive Database: Users can access detailed information on more than 15 million vehicles registered in the Netherlands by simply entering a license plate number. - Multi-Source Reports: The platform aggregates data from authoritative sources including the RDW (Dutch Road Transport Agency), NAP (National Auto Pass), and APK (Dutch MOT equivalent) to provide thorough vehicle histories. - Security Checks: Visitors can quickly verify if a vehicle has been reported stolen, enhancing security for potential buyers. - Odometer Fraud Prevention: The site allows users to review a vehicle's recorded mileage history, helping to identify potential discrepancies. - Insurance Insights: KentekenGids provides valuable information about a vehicle's insurance status and history. By offering both complimentary and premium license plate checks, KentekenGids empowers consumers and businesses to make well-informed decisions in various automotive transactions, from purchases and sales to insurance considerations. The platform's ultimate goal is to increase transparency in the Dutch automotive market.

Our VPN service is without limitation in traffic, bandwidth or time. Just install and connect – No Registration or Personal Data required. - Unlimited Fast Servers - High-speed Connection - No Logs - No Registration No Registration or Personal Data is Required to Connect Strict no log policy, user data is not passed on to third parties. No logging or collection of personal information.

The biggest advantage of Cognito is that it's a part of the AWS ecosystem and integrates well with other AWS services. The free tier comes with 50,000 MAUs and the price for each additional MAU starts at $0.0055/month and goes down to as low as $0.0025/month as you scale to tens of millions of users. It integrated with four federated identity providers - your users can sign up with Facebook, Google, Apple and Amazon.

Owlbot offers a cutting-edge AI-powered chatbot service that seamlessly integrates with your data to provide instant responses for you, your customers, or your team. Deploying a tailor-made AI chatbot with Owlbot is straightforward, enhancing both customer service and the efficiency of data analysis with minimal effort. Our AI chatbot is capable of handling 90% of inquiries from customers, clients, or employees effortlessly (>90 languages supported). It can import data from a variety of sources, including documents, markdown files, and webpages, ensuring that you receive precise, immediate answers. Additionally, you can connect the chatbot to your internal tools to access private data in real-time and provide timely responses. You can choose from 12 different large language models (LLMs), such as Mistral, OpenAI, and Anthropic, to find the option that best fits your needs. Owlbot also captures the details of interested visitors, helping you compile a list of potential leads and expand your business opportunities.

My personal favorite! Specializes in cruise bookings and offers a price guarantee. Features deals, discounts, and last-minute offers.

Medidex Connect is your personal 24/7 online pharmacist chat service. Get quick and convenient answers to your general health and medication questions from a qualified source.

GoPasswordless is an authentication service and SDK that focuses on enabling passwordless authentication flows in web apps.

Uneed is a platform where people can both discover new products and promote their own. It works a bit like Product Hunt, giving creators a way to get their products noticed. Every day at midnight PST, between 10 and 20 new products launch on the homepage. On launch day, products get prime visibility, but users can keep voting for them anytime afterward. Products are ranked daily, weekly, monthly, and yearly. The top three products in each ranking get badges—gold, silver, or bronze—displayed on their product pages. Popular products also get featured in Uneed’s weekly newsletter, which reaches over 9,100 subscribers. If you want to launch a product, you make an account and fill out the details. There are two ways to get your product live: wait in a free queue (and get assigned a random launch date) or pay $30 to skip the line and pick your date. Success comes from a strong launch day, keeping your page up-to-date, and encouraging people to vote. Adding special deals can also earn you a badge and keep interest alive. The community side of Uneed is built around upvoting products. The more you vote, the more power you gain. For example, a 5-day voting streak doubles your vote’s power, and a 100-day streak triples it while unlocking an avatar border. At 150 days, you get a free line skip; at 500 days, you get discounts on advertising; and at 1,000 days, your votes count as five. The platform covers categories like development, design, marketing, business, and personal life products. It’s just one person running Uneed, and you’re encouraged to vote for your own product. If you have questions, they’re easy to reach via email. In short, Uneed is a straightforward way to launch a product, gather feedback, and build an audience—without needing a massive following upfront.

10words will publish your startup on their website, Twitter / X, and their newsletter. The catch? You have to explain it in 10 words or less. It's free to submit your startup.

Looking to implement structured data and don't know where to start? Google has excellent docs that explain what kind of structured data you need to provide to get certain types of search results. Bredcrumbs, articles, carousels, courses, reviews, FAQs, products, recipes and more - it's all covered there!

Google Search Console lets you see your site's Google traffic and to help Google index your pages. You can view the number of search impressions, search clicks, keywords used, track links to your pages, check core web vitals, crawl stats etc. You can also manually request crawling of certain pages and upload site maps.

With SEO Stuff's free keyword generator you get up to 20 keyword suggestions for every keyword you enter for free. For each keyword, you can find out how difficult it is to rank and what the average search volume is. It supports multiple keyword languages.

Got your structured data and JSON-LD in place? Great, now go test it. Google has a free tool to help you view your search results as they see it - and spot potential errors or areas for improvement.

Ahrefs has a generous free tier that allows you to view your domain ranking, track backlinks, view organic keywords, analyze page and backlink health, check out competitors and many more. Once you sign up and connect your domain, you'll get weekly reports on your SEO progress.

With SEO Stuff's free keyword generator you get up to 20 keyword suggestions for every keyword you enter for free. For each keyword, you can find out how difficult it is to rank and what the average search volume is. It supports multiple keyword languages.

BigSpy possesses a massive database that undergoes millions of data updates every day. Moreover, BigSpy's database covers some of the most crucial platforms highly regarded by advertising practitioners, such as TikTok, Facebook, and Admob. With its abundant filtering options, you can effortlessly find the advertising materials that best meet your needs and gain inspiration. The homepage analysis function enables real-time monitoring of competitors. In addition, BigSpy offers features like selected advertisements and creative rankings, further helping you pick out the most valuable advertising creativity and greatly enhancing your efficiency in finding advertising inspiration.

Discover the right SEO stack for your project by exploring our curated list of tools. From AI-driven optimizers to widely-used research platforms, we've got everything to help you succeed in the competitive digital landscape.

Create High Performing ads in under a minute Copy These Pre-Tested, Meta Optimized, Done-For-You Ad Creatives To Turbo Charge Your Ad Performance in Under a Minute

SeoWebChecker.com is an all-in-one SEO and AI-powered optimization platform that helps users analyze websites, improve rankings, and generate high-quality digital content using intelligent automation. Key Features: AI SEO Analyzer – Generates instant SEO audits with actionable improvement tips. AI Content Generator – Creates SEO-friendly articles, descriptions, titles, and content ideas. Keyword Suggestion Tool – Offers targeted keyword recommendations based on search trends. Backlink Checker – Identifies existing backlinks and opportunities for improvement. Plagiarism Checker – Ensures all content is original and search-engine safe. Meta Tag Generator – Automated meta titles, descriptions, and on-page SEO elements. Website Speed Checker – Evaluates performance, loading speed, and optimization suggestions. Mobile-Friendly Test – Checks usability and mobile responsiveness. Domain Tools – WHOIS lookup, IP checker, DNS tools, and more. AI Tools Directory (integrated) – Access to a growing list of SEO + AI utilities. Use Cases: Bloggers & Creators: Generate optimized content instantly. Digital Marketers: Improve SEO campaigns and keyword targeting. Small Businesses: Analyze their website and fix SEO issues without hiring experts. Agencies: Run audits, reports, and content strategies for multiple clients. Developers: Test website performance, loading speed, and technical SEO. Students & Researchers: Use AI tools for writing, research, and content clarity. Target Audience: SEO professionals Website owners Bloggers & content creators Digital marketing teams Agencies Students & freelancers E-commerce businesses

SeoWebChecker.com is an all-in-one SEO and AI-powered optimization platform that helps users analyze websites, improve rankings, and generate high-quality digital content using intelligent automation. Key Features: AI SEO Analyzer – Generates instant SEO audits with actionable improvement tips. AI Content Generator – Creates SEO-friendly articles, descriptions, titles, and content ideas. Keyword Suggestion Tool – Offers targeted keyword recommendations based on search trends. Backlink Checker – Identifies existing backlinks and opportunities for improvement. Plagiarism Checker – Ensures all content is original and search-engine safe. Meta Tag Generator – Automated meta titles, descriptions, and on-page SEO elements. Website Speed Checker – Evaluates performance, loading speed, and optimization suggestions. Mobile-Friendly Test – Checks usability and mobile responsiveness. Domain Tools – WHOIS lookup, IP checker, DNS tools, and more. AI Tools Directory (integrated) – Access to a growing list of SEO + AI utilities. Use Cases: Bloggers & Creators: Generate optimized content instantly. Digital Marketers: Improve SEO campaigns and keyword targeting. Small Businesses: Analyze their website and fix SEO issues without hiring experts. Agencies: Run audits, reports, and content strategies for multiple clients. Developers: Test website performance, loading speed, and technical SEO. Students & Researchers: Use AI tools for writing, research, and content clarity. Target Audience: SEO professionals Website owners Bloggers & content creators Digital marketing teams Agencies Students & freelancers E-commerce businesses

Ahrefs has a generous free tier that allows you to view your domain ranking, track backlinks, view organic keywords, analyze page and backlink health, check out competitors and many more. Once you sign up and connect your domain, you'll get weekly reports on your SEO progress.

Telescope is an All-in-One SEO Toolkit that lets you research keywords, track rankings, analyze competitors, create and optimize content, improve your website, and more.

Google's Firebase is an entire app development platform that's packed with features.It comes with storage, cloud functions, monitoring and, of course, user authentication. The free tier comes with 50,000 MAUs. Beyond that pricing start at $0.0055/MAU and goes down to as low as $0.0025/MAU as you scale to millions of users. Firebase authentication supports email and password auth, phone auth, magic links, two-factor authentication and social identity providers - mainly Google, Google Play Games, Facebook, Apple, Microsoft, Twitter, GitHub and OAuth access tokens.

Clerk is a comprehensive user management and authentication platform designed to streamline how developers handle user accounts within web and mobile applications. It offers a suite of embeddable UI components—such as <SignIn/>, <SignUp/>, <UserButton/>, and <UserProfile/>—that integrate seamlessly into your application without redirecting users off-site. These components are fully customizable to match your brand, making the user experience cohesive and frictionless. Under the hood, Clerk provides a robust API and SDKs compatible with modern frameworks like Next.js, Remix, React, and Expo. It handles the entire authentication lifecycle, supporting multifactor authentication (MFA), session management, passwordless sign-in (via magic links or one-time passcodes), and traditional password-based methods with breach detection. The platform also integrates social sign-on (SSO) with over 20 providers, enabling quick user onboarding while adhering to security best practices. Clerk’s security posture includes SOC 2 Type 2 certification and CCPA compliance, with continuous third-party audits and penetration testing. Fraud prevention measures, like disposable email blocking and bot detection powered by machine learning, are built-in to reduce spam and abusive sign-ups. For B2B SaaS applications, Clerk provides advanced multi-tenancy features, enabling organization-based user management with custom roles, permissions, auto-join functionality based on email domains, and invitation systems—all accessible through both code and an admin dashboard. Developers benefit from rapid integration, significantly reducing the time spent on building authentication systems from scratch. Clerk acts as the single source of truth for user data and integrates seamlessly with popular backend services like Supabase, Firebase, and Convex. With free access for up to 10,000 monthly active users, it’s positioned as a scalable solution that grows with your application’s needs.

Auth0 is an identity and access management (IAM) platform designed to simplify authentication and authorization for applications. It provides a flexible solution that allows developers to implement secure login systems without having to build them from the ground up. Auth0 supports various authentication methods, including username-password credentials, social logins (like Google, Facebook, and GitHub), enterprise identity providers (such as Active Directory and SAML-based systems), and passwordless options. The platform is highly adaptable, offering over 30 software development kits (SDKs) that cater to a wide range of languages and frameworks—JavaScript, Python, .NET, iOS, Android, and more. This makes integration straightforward regardless of the tech stack. Beyond basic authentication, Auth0 offers advanced features like multi-factor authentication (MFA), single sign-on (SSO), and fine-grained authorization. These tools enable organizations to enforce complex access control policies, supporting both role-based (RBAC) and attribute-based (ABAC) models. Auth0 also addresses enterprise needs through features like user provisioning, directory synchronization, and support for B2B, B2C, and B2E use cases. It’s designed with scalability in mind, making it suitable for both startups and large enterprises. The platform’s extensibility allows developers to customize authentication flows, implement rules for conditional access, and integrate third-party services. Since its acquisition by Okta, Auth0 operates as a product unit under the Okta umbrella, complementing Okta’s broader suite of identity solutions while maintaining a developer-first focus. This combination brings together Okta’s enterprise-grade security with Auth0’s developer-centric approach, offering a comprehensive solution for modern identity challenges.

Supabase is the open-source alternative to Firebase. Like Firebase, it's a complete app development platform with user authentication, cloud functions, APIs, Postgres database, storage, vector embeddings, and other features. Supabase projects come with PostgreSQL's policy engine for fine-grained user access rules. It has social login integrations with Google, Facebook, GitHub, Azure (Microsoft), Gitlab, Twitter, Discord, and many more. They offer a customizable authentication component for React. Phone login and MFA can be added through third-party SMS providers such as Twilio or Bird. The free tier comes with 50,000 monthly active users. The Pro plan, at $25/month, comes with 100,000 MAUs and $0.00325/MAU beyond that.

Stytch provides a suite of tools designed to simplify authentication, authorization, and security for web and mobile applications. If you're developing an app and need a way for users to log in—whether with passwords, passkeys, or entirely passwordless methods—Stytch offers APIs and SDKs that handle these complexities. Their focus is on making authentication seamless for both developers and end-users while ensuring high security standards. For businesses, particularly B2B SaaS companies, Stytch enables advanced features like multi-tenancy, role-based access control (RBAC), and single sign-on (SSO). They provide an embeddable admin portal, allowing enterprise customers to manage their own authentication configurations, organizational settings, and integrations with identity providers—without constant developer involvement. Stytch places a strong emphasis on scalability and flexibility. Their tools are designed to “just work” across a range of use cases, from simple consumer apps to complex enterprise platforms. Developers can choose how much of the authentication flow they want to control—using pre-built UI components for quick implementation or leveraging headless SDKs and backend APIs for a fully customized experience. Security and fraud prevention are also core to Stytch’s offering. They provide real-time bot detection, device-aware multi-factor authentication, and intelligent rate limiting to protect against credential stuffing and other forms of account abuse. Their infrastructure ensures that login codes and authentication requests are delivered reliably, even when SMS or email providers fail. Stytch supports a broad range of programming languages and frameworks, including Python, Node.js, Java, React, and iOS, making integration into existing tech stacks straightforward. Their platform is designed for developers who want to build secure, user-friendly authentication systems without reinventing the wheel.

The biggest advantage of Cognito is that it's a part of the AWS ecosystem and integrates well with other AWS services. The free tier comes with 50,000 MAUs and the price for each additional MAU starts at $0.0055/month and goes down to as low as $0.0025/month as you scale to tens of millions of users. It integrated with four federated identity providers - your users can sign up with Facebook, Google, Apple and Amazon.

Google's Firebase is an entire app development platform that's packed with features.It comes with storage, cloud functions, monitoring and, of course, user authentication. The free tier comes with 50,000 MAUs. Beyond that pricing start at $0.0055/MAU and goes down to as low as $0.0025/MAU as you scale to millions of users. Firebase authentication supports email and password auth, phone auth, magic links, two-factor authentication and social identity providers - mainly Google, Google Play Games, Facebook, Apple, Microsoft, Twitter, GitHub and OAuth access tokens.

Amazon Cognito is an identity platform for web and mobile apps. It’s a user directory, an authentication server, and an authorization service for OAuth 2.0 access tokens and AWS credentials. With Amazon Cognito, you can authenticate and authorize users from the built-in user directory, from your enterprise directory, and from consumer identity providers like Google and Facebook.