Open source focus

Open Source Alternatives to European Space Agency (ESA)

3 open source SpaceTech options similar to European Space Agency (ESA), 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.

View all alternatives to European Space Agency (ESA) →

H2O.ai
Not rated
An open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
Cardano
Not rated
A secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.
Open source · Self-hostable
PromptQL
Not rated
An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
H2O.aiAn open-source AI and machine learning platform for enterprises.	Open source · Self-hostable	-	Not rated	-
CardanoA secure, scalable, and sustainable proof-of-stake blockchain platform for decentralized applications and smart contracts.	Open source · Self-hostable	-	Not rated	-
PromptQLAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.	Open source · Self-hostable	-	Not rated	-