FreeAIRepo

The database of free AI tools on GitHub

23,066 open-source AI repos. Find a free alternative to any paid AI tool, or see what developers are talking about.

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115 repos · showing 31–60

LeDat98/NexusRAG

Hybrid RAG system combining vector search, knowledge graph (LightRAG), and cross-encoder reranking — with Docling document parsing, visual intelligence (image/table captioning), agentic streaming chat

528updated 6mo ago
RAG & search
No license4 GB VRAMRuns on MacPython
antflydb/antfly

Antfly is a search-and-inference database written in Zig. One engine carries full-text (BM25), dense, and sparse vector indexes plus graph traversal over the same table, and the models that chunk, emb

471updated today
RAG & search
No licenseRuns on MacZig
neuml/rag

🚀 Retrieval Augmented Generation (RAG) with txtai. Combine search and LLMs to find insights with your own data.

466updated 4mo ago
RAG & search
Commercial OK · Apache-2.0Runs on MacPython
umbertogriffo/rag-chatbot

RAG (Retrieval-augmented generation) ChatBot that provides answers based on contextual information extracted from a collection of Markdown files.

444updated 4mo ago
RAG & search
Really freeCommercial OK · Apache-2.0Runs on MacPython
duaraghav8/dockershrink

AI Assistant that reduces the size of your application's Docker Image

418updated 8mo ago
RAG & search
Weak copyleft · MPL-2.0Needs paid APIRuns on MacGo
lhh737/LangChain-ReAct-Agent

基于 LangChain/LangGraph 的 ReAct Agent,结合 RAG 检索、工具调用与 Streamlit 界面,面向智能客服与报告生成场景。

397updated 11d ago
RAG & search
Commercial OK · MITRuns on MacPython
jin-zi-xuan/kaobuddy-pwa

一个帮你临时抱佛脚的项目

392updated 1mo ago
RAG & search
No licenseRuns on MacTypeScript
trvon/yams

Persistent memory for LLMs and apps. Content-addressed storage with dedupe, compression, full-text and vector search.

373updated today
RAG & search
Copyleft · GPL-3.0Runs on MacC++
ModelEngine-Group/DataMate

DataMate is an enterprise-level data processing platform designed for model fine-tuning and RAG retrieval.

373updated 11d ago
RAG & search
Really freeCommercial OK · MITRuns on MacTypeScript
lovstudio/Ataru

High-performance AI memory retrieval for local agent history — a Rust search core (SDK / API / JSON CLI) plus a desktop GUI. Tantivy + Jieba keyword search, optional semantic recall, stable Turn/Run/S

361updated 2mo ago
RAG & search
Commercial OK · Apache-2.0Runs on MacRust
nshiab/simple-data-analysis

Fast DuckDB-powered TypeScript library for tabular analysis, geospatial analysis, network graph analysis, vector similarity search, AI, Google Sheets, and data visualization.

356updated 3d ago
RAG & search
Commercial OK · MITRuns on MacTypeScript
wzdavid/ThinkRAG

A LLM RAG system runs on your laptop. 大模型检索增强生成系统,可以轻松部署在笔记本电脑上,实现本地知识库智能问答。

350updated 9mo ago
RAG & search
Really freeCommercial OK · MITRuns on MacPython
Chnapy/PKVault

Centralized Pokemon storage management & Pokedex app

349updated today
RAG & search
No licenseRuns on MacTypeScript
georgeguimaraes/arcana

Embeddable RAG library for Elixir/Phoenix with agentic pipelines and dashboard

341updated 5d ago
RAG & search
Commercial OK · Apache-2.0Runs on MacElixir
rryam/VecturaKit

Swift-based vector database for on-device RAG using MLTensor and MLX Embedders

325updated 1mo ago
RAG & search
Really freeCommercial OK · MITRuns on MacSwift
enroute-sh/enroute

Programmable git infrastructure on top of object storage. Think turbopuffer for git. Open source alternative to Pierre (code.storage) and Cloudflare Artifacts.

315updated 12d ago
RAG & search
Commercial OK · Apache-2.0Runs on MacRust
lyonzin/knowledge-rag

Local RAG MCP server for Claude Code — hybrid search (semantic + BM25), cross-encoder reranking, 13 MCP tools, 20 format parsers. Zero external servers, zero API keys.

300updated today
RAG & search
Commercial OK · MITRuns on MacPython
Govcraft/rust-docs-mcp-server

🦀 Prevents outdated Rust code suggestions from AI assistants. This MCP server fetches current crate docs, uses embeddings/LLMs, and provides accurate context via a tool call.

299updated 11mo ago
RAG & search
Commercial OK · MITNeeds paid APIRuns on MacRust
lhh737/KnowledgeBase-RAG-LLM-System

轻量级本地知识库 RAG 问答系统 · Streamlit + LangChain + Chroma,支持知识库上传与检索增强问答

292updated 11d ago
RAG & search
Commercial OK · MITRuns on MacPython
NoEdgeAI/pdfdeal

A python wrapper for the Doc2X API and comes with native texts processing (to improve PDF recall in RAG). | Doc2X API的python封装,同时附带本地的文本处理(提升PDF在RAG中的召回率)。

288updated 7mo ago
RAG & search
Really freeCommercial OK · MITRuns on MacPython
codecoradev/uteke

🧠 The Brain for Your AI — Local-first memory engine for AI agents. Store, recall, and search memories with semantic embeddings. Single Rust binary, zero config, fully offline.

276updated 4d ago
RAG & search
Really freeCommercial OK · Apache-2.0Runs on MacCPU only OKRust
vectordbz/vectordbz

A modern desktop application for exploring, managing, and analyzing vector databases

271updated 20d ago
RAG & search
Commercial OK · MITRuns on MacTypeScript
Freaction/Aquilum

Fast local-first Markdown knowledge base for Windows with live preview, search, graph, Dataview, book reader, and MCP

253updated 4d ago
RAG & search
Copyleft · AGPL-3.0Runs on MacRust
BiranSama/ReNovel-AI

本地化 AI 小说精修工作台🚀。内置 RAG 长时记忆🧠、三模态协作(作家/主编/助手)🖋️、卡片流式编辑器⚡。支持酒馆卡导入、全书自动化精修与扩写🎭。AI小说加料 小说精修 AI文本修改 小说扩写 小说总结

250updated 12d ago
RAG & search
Really freeCopyleft · GPL-3.0Runs on MacPython
Hamza5/file-brain

Smart local file search app that understands your files

235updated 6mo ago
RAG & search
Copyleft · GPL-3.0Runs on MacPython
dilolabs/nosia

Self-hosted AI RAG + MCP Platform

214updated today
RAG & search
Commercial OK · MITRuns on MacRuby
shibing624/TreeSearch

TreeSearch: Search your codebase like a human — not like a vector database. No embeddings. No chunking. Just millisecond search over structured documents and large codebases. 无需 embedding,无需切分文档,在结构化文

213updated 6mo ago
RAG & search
Commercial OK · Apache-2.0Runs on MacPython
matrixarkai/TemporalStore

Open-source Rust TemporalStore for LLM context management, temporal features, and risk control

212updated today
RAG & search
Commercial OK · Apache-2.0Runs on MacRust
starcat-app/Starcat

A native macOS app that turns GitHub Stars into a searchable, organized, AI-powered personal knowledge base.

211updated 3d ago
RAG & search
Commercial OK · MITRuns on MacSwift
Renumics/renumics-rag

Visualization for a Retrieval-Augmented Generation (RAG) Assistant 🤖❤️📚

211updated 2d ago
RAG & search
Commercial OK · MITNeeds paid APIRuns on MacPython