Trending AI reposUpdated daily from GitHub

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

RAGFlow is an agent-native database: a Retrieval-Augmented Generation (RAG) engine that grew into context infrastructure.

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.

LlamaIndex is the document processing platform for AI

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

In-depth tutorials on LLMs, RAGs and real-world AI agent applications.

[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

A modular graph-based Retrieval-Augmented Generation (RAG) system

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

Build Real-Time Knowledge Graphs for AI Agents

This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

An open-source RAG-based tool for chatting with your documents.

"RAG-Anything: All-in-One RAG Framework"

An AI agent development platform with all-in-one visual tools, simplifying agent creation, debugging, and deployment like never before. Coze your way to AI Agent creation.

Open source agentic operating system

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

A vector index built on TurboQuant, written in Rust with Python bindings

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

Air-gapped, privacy-focused, open-source NotebookLM alternative. AI agent that researches, transforms, and edits your documents. Join our Discord: https://discord.gg/ejRNvftDp9

A lightweight, lightning-fast, in-process vector database

ConardLi's open-source Skills collection, featuring web design, knowledge retrieval, image generation, and more.

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

Retrieval and Retrieval-augmented LLMs

100+ Chinese Word Vectors 上百种预训练中文词向量

Incremental engine for long horizon agents 🌟 Star if you like it!

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

https://arxiv.org/abs/2606.28344. The end of web parsing. The beginning of scalable pixel-native search. link: https://pixelrag.ai/

🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

High accuracy RAG for answering questions from scientific documents with citations

The fast, precise document-intelligence engine for every language: text, tables and metadata from 100+ formats, with OCR, transcription and code intelligence.

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

World's first open-source enterprise world model.

MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.

Private & local AI personal knowledge management app for high entropy people.