Supabase is an open-source alternative to Firebase, designed to help you build web, mobile, and AI applications efficiently. It offers a full Postgres database, which is the world's most trusted relational database, making it 100% portable and easy to extend.

Key features of Supabase include:

Postgres Database: A dedicated Postgres database for your projects.
Authentication: Secure your data with user sign-ups and logins, and Row Level Security (RLS) for added security.
Edge Functions: Write custom code without deploying or scaling servers, making it easy to integrate custom logic into your applications.
Storage: Store, organize, and serve large files such as videos and images.
Realtime Subscriptions: Build multiplayer experiences with real-time data synchronization.
Vector Embeddings: Integrate your favorite ML models to store, index, and search vector embeddings from OpenAI and Hugging Face.

Supabase is trusted by fast-growing companies worldwide and is ideal for scaling securely. It has been used by companies like Maergo's Express Delivery, which scaled to $1M in 5 months and protected one million users in 7 months with Supabase Auth.

Supabase also has a strong community with excellent documentation and support. It is incredibly easy to set up and use, making it a great choice for developers looking to build scalable applications quickly.