Open source focus
Open Source Alternatives to Rtdb
3 open source Real-time Data options similar to Rtdb, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
Open source · Self-hostable
ScyllaDB67DatabasePalo Alto, United States$101.0MScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
SereneDB49DatabaseSan Francisco, United States$3.8MA real-time search analytics database unifying search and analytics in a single platform.
Open source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Database | Open source · Self-hostable | San Francisco, United States | $933.0M | 70 | ||
| ScyllaDBScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure. | Database | Open source · Self-hostable | Palo Alto, United States | $101.0M | 67 | |
| SereneDBA real-time search analytics database unifying search and analytics in a single platform. | Database | Open source · Self-hostable | San Francisco, United States | $3.8M | 49 |