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.

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.

Core features: - A comprehensive marketplace of currently available AI agents. - AI-powered, natural language search for AI agents that match your needed task or specific use case. - AI agents are categorized according to over 300 human role equivalents. - Employers Account plan for advanced search capabilities and hiring support. Use cases: - Ideal for small or large businesses seeking AI agents to increase the productivity of their human staff or to augment their human workforce with AI agents. - Agent providers can register their agents for free and optionally manage and update their agent descriptions and meta-data for a small monthly fee - Agent employers can access advanced search capabilities and support for AI agent selection and onboarding via the employers plan. Pricing: - Free AI-powered agent search and agent directory - Agent providers: $5/month to allow ongoing management of agents and the registration of additional agents

Core features: - A comprehensive marketplace of currently available AI agents. - AI-powered, natural language search for AI agents that match your needed task or specific use case. - AI agents are categorized according to over 300 human role equivalents. - Employers Account plan for advanced search capabilities and hiring support. Use cases: - Ideal for small or large businesses seeking AI agents to increase the productivity of their human staff or to augment their human workforce with AI agents. - Agent providers can register their agents for free and optionally manage and update their agent descriptions and meta-data for a small monthly fee - Agent employers can access advanced search capabilities and support for AI agent selection and onboarding via the employers plan. Pricing: - Free AI-powered agent search and agent directory - Agent providers: $5/month to allow ongoing management of agents and the registration of additional agents