Supabase
Open-source Firebase alternative with PostgreSQL database, real-time subscriptions, authentication, and edge functions for self-hosted backend development.
Teable
Lightning-fast no-code database built on PostgreSQL with spreadsheet UI, real-time collaboration, and REST/GraphQL APIs - powerful Airtable alternative without limits.
Pocketbase
All-in-one self-hosted backend with database, admin dashboard, and user authentication built-in.
ClickHouse
Lightning-fast open-source columnar database management system designed for real-time analytics, OLAP workloads, and big data processing with exceptional performance.