Open Source Alternatives to Cubby
8 open source Data Streaming options similar to Cubby, 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.
Airbyte70Data IntegrationSan Francisco, United States$181.0MAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
- 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
United Manufacturing Hub Systems54ManufacturingCologne, Germany$5.4MAn open-source data platform for manufacturers to access and structure machine data.
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
- MAMacrodata Labs39Artificial IntelligenceParis, France$4.0M
Infrastructure for the robotics data loop.
Open source · Self-hostable
RepoRank 13Open SourceReal-time discovery platform for open source and emerging products, surfacing what's gaining traction.
Open source · Self-hostable
- Swindex7Database
Microsecond multi-hop graph queries with a source-available Rust crate.
Open source