Open source focus

Open Source Alternatives to Mainone

3 open source Startup options similar to Mainone, 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.

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Airbyte
Not rated
An open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
H2O.ai
Not rated
An open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
Apache Cassandra
Not rated
Open-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
AirbyteAn open-source data integration platform for ELT, reverse-ETL, and AI agents.	Open source · Self-hostable	-	Not rated	-
H2O.aiAn open-source AI and machine learning platform for enterprises.	Open source · Self-hostable	-	Not rated	-
Apache CassandraOpen-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.	Open source · Self-hostable	-	Not rated	-