Open source large-language-models projects
Every project in the registry tagged large-language-models, ranked by real GitHub adoption.
Visual builder for AI agents and RAG pipelines
[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation
Open source LLM engineering platform for AI-powered applications
Build and run agents you can see, understand and trust.
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with exp
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
The tensor database for AI data
Build reliable AI apps with comprehensive observability
Optimizing inference proxy for LLMs
Get instant answers from your company knowledge
Serverless GPU compute with sub-second cold starts
Serverless LLM Serving for Everyone.
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Frequently asked questions
How many open source large-language-models projects are there?
This registry tracks 12 projects tagged large-language-models, with 325,983 GitHub stars between them. The most-adopted is Langflow at 154,943 stars.
Are these large-language-models projects free to use?
Yes — 11 of the 12 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which large-language-models project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these large-language-models projects still maintained?
11 of the 12 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.