open-source · since 2024
Wren AI
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Agent-oriented generative BI and governed text-to-SQL system built around an MDL semantic layer, versioned business context, execution guardrails, and connectors for more than 20 data sources.
text-to-sqlsemantic-layergenbiagentspython
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Verified 2026-08-22. Repository active with 17.3k stars and latest Wren release v0.13.3 on 2026-08-18. In May 2026 the engine merged into this repository and the legacy chat-first app moved to legacy/v1. License file maps core, SDK, skills, examples and root sources to Apache-2.0; docs are CC-BY-4.0.