Duolingo is an app and website designed to help people learn languages in a simple and engaging way. It’s free to use, though there are paid options that remove ads and offer extra features. The lessons are short and interactive, with exercises that involve matching words, listening to sentences, speaking, and translating. A green owl named Duo acts as the app’s mascot—offering encouragement when you stay on track and reminders when you don’t. The platform offers a wide range of languages, from widely spoken ones like Spanish, French, and Chinese to less common choices like Welsh, Hawaiian, and even fictional languages like Klingon and High Valyrian. Lessons focus on practical, everyday communication—like ordering food or asking for directions—though you’ll occasionally encounter quirky sentences that are memorable in their oddness. Duolingo adapts to your progress: if you’re struggling, it slows down; if you’re doing well, it introduces more challenging material. There are game-like features—points, streaks, and levels—that keep learning motivating and fun. For those looking to go beyond basic lessons, Duolingo also offers podcasts, stories, and interactive exercises to improve listening and reading comprehension. Convenient and easy to use, Duolingo fits into almost any schedule—you can practice on the bus, during a lunch break, or before bed. While it’s not a complete substitute for full immersion or in-depth study, it’s a useful tool for beginners and a good way to keep language skills fresh.

That's right, the Kindle can a great tool for learning Mandarin. You can download a free Chinese dictionary called CC-CEDICT. Then you can tap on any word to get the English translation and the pinyin. There are plenty of Chinese ebooks you can find online for free or purchase on Amazon. I used this method earlier this year to read a few chapters of Harry Potter and now I'm reading The Three-Body Problem by ‎Liu Cixin.

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.

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.

Indie Hackers Stacks is a directory of indie products with their software stacks. You can use it to discover the tools that other makers use to build their products. Publish your own stack and get free exposure and some SEO juice.

Product Hunt is the biggest product directory there is. If you prepare your launch well, you can expect thousands of visitors and lots of backlinks from secondary services, blogs, and newspapers that scout Product Hunt for products.

IndieFollow.top is a place where indie makers and products shine. The products listed here are all handpicked with care. You could submit your awesome product for free.

AI Tools Explorer is a 100% human-curated and edited directory of top-quality, SFW AI tools and apps, organized by category and updated daily with helpful AI guides and resources.

Your Guide to the Newest AI Products, Updated daily. Explore top AI tools updated daily at NewAIForYou.com. Our curated directory offers the latest in AI with expert insights.

A directory of writer tools, including AI-generators, AI-detectors, and plagiarism scoring systems. Our curated collection highlights the most popular writing tools, ranked according to user satisfaction and effectiveness. We've categorized these tools into four main segments: AI Writing Assistants & Generators, Plagiarism Checkers & AI Detectors, Copywriting Tools & Content Generators, and Book Writing & Creative Writing Tools. Each section is designed to help you find the right stack for your specific writing and copywriting needs.

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.

Discover a world of AI tools, models, datasets, and hardware. Enjoy free submissions for AI products, explore curated AI lists tailored to your interests, and create a professional AI profile. Altern is not merely a directory; it’s a thriving community centered on the ever-evolving world of AI. Whether you’re a veteran AI researcher, a budding programmer, or simply someone curious about the technological future, Altern has something to offer you.

Your ultimate tool finder, providing a curated list of productivity apps and tools designed to enhance your efficiency and streamline your workflow. Your ultimate tool finder, providing a curated list of productivity apps and tools designed to enhance your efficiency and streamline your workflow.

These days, AI directories are popping up all over the place. You’ve got huge lists—like that GitHub one —best-of-ai/ai-directories—and tons of sites trying to round up every AI tool under the sun. It’s a lot, right? Problem is, most of them are packed with meh tools. You dig through glitchy apps or overhyped stuff that doesn’t even work, and it’s a total time suck. Marketers like us? We don’t have time for that—we need tools that actually deliver. That’s where There’s an AI comes in. It’s not like those other messy directories. This one’s all about the good stuff—think of it like a stash of hidden gems, no junk allowed. You can navigate easily on different categories in it, jumping from content tools to ad optimizers without breaking a sweat. And the search? Oh, it’s clutch. You can type in whatever you want, and it pulls up only the best—no shitty tools clogging up your screen.

Discover, compare, and choose from a curated list of the best tools for startups. Equip your startup with the right tools to grow and scale fast. Discover, compare, and choose from a curated list of the best tools for startups. Equip your startup with the right tools to grow and scale fast. Discover, compare, and choose from a curated list of the best tools for startups. Equip your startup with the right tools to grow and scale fast.

Self-Hosted Software List is a directory of the top self-hosted solutions in various categories. List there if you're working on a product that the users can host themselves. Submitting your products to Self-Hosted Software List is free.

Grammarsen is a desktop app that automatically corrects your selected text using chatgpt, helping you stay focused. No more copy pasting and switching tabs. Simply select some text, press a hotkey, and see the old text gets replaced with the corrected version. Grammarsen saves time for students, writers, marketers, english learners, and anyone who types a lot.

Effortlessly create Xiaohongshu notes with our powerful suite of AI tools including the AI rewrite generator, AI text generator, and AI title generator!

Italki is a platform connecting language teachers, mostly native speakers, with students. You can book, pay, and schedule your classes directly through their website. The classes are one on one, just you and the teacher, and conducted over a video call. I used Italki successfully before going to Thailand for the first time. My wife who is Thai gave me an Italki gift card. There are plenty of teachers to chose from and the rates are affordable. You'll pay anywhere from $10 to about $20 for a class.