Open Source #rag Projects

Sim is an open-source workspace to build, deploy, and orchestrate AI agents and agentic workflows. Visually connect LLMs, tools, and data sources without giving up control.

Open-source AI chat and agent platform with multi-provider support, RAG, plugins, and an agent marketplace — self-hostable ChatGPT alternative.

Onyx is an open-source AI chat and enterprise search platform with RAG that works with every LLM. Bring your own model, connect your tools, and unify all your team's knowledge.

Open-source platform for fine-tuning and running LLMs locally — 2x faster training with 70% less VRAM. Supports LoRA, QLoRA, DPO, GRPO.

A self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.

Self-hosted RAG chatbot platform that answers visitor questions from your website and PDFs, with a two-line embeddable widget and citations.