Best RAG & Retrieval GitHub Repositories

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

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

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

RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

Build Real-Time Knowledge Graphs for AI Agents

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

Parse Server for Node.js / Express

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

🌊 A flexible and fun JavaScript file upload library

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

API Support for your favorite torrent trackers

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

Modern UI and powerful API for Ansible, Terraform/OpenTofu/Terragrunt, PowerShell and other DevOps tools.

Storage Orchestration for Kubernetes

Graph-Native Infrastructure for Context and Accountable AI Systems

[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.

Collection of sample apps showcasing popular use cases using Cloud Functions for Firebase

Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu/Terraform to scale.