RAG & agent memory: full ranking
Every tool numbered by AgentPick Score (0–100), our data score from public GitHub activity.
| # | Tool | What it does | Score | Stars | Updated |
|---|---|---|---|---|---|
| #1 | RAGFlow | RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a… | 95 | ★ 92k | 14 Oct 2026 |
| #2 | Mem0 | The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production. | 90 | ★ 67k | 14 Oct 2026 |
| #3 | MemPalace | The best-benchmarked open-source AI memory system. And it's free. | 90 | ★ 60k | 14 Oct 2026 |
| #4 | hindsight | Hindsight: Agent Memory That Learns | 90 | ★ 50k | 14 Oct 2026 |
| #5 | cognee | Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free | 89 | ★ 32k | 14 Oct 2026 |
| #6 | chroma | Search infrastructure for AI | 88 | ★ 30k | 14 Oct 2026 |
| #7 | PageIndex | 📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG | 85 | ★ 39k | 13 Oct 2026 |
| #8 | EverOS | One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows. | 81 | ★ 13k | 14 Oct 2026 |
| #9 | TencentDB-Agent-Memory | TencentDB Agent Memory is a team-level memory hub for AI Agents — turning conversations, docs, and code into four reusable memory assets (Ch… | 80 | ★ 29k | 14 Oct 2026 |
| #10 | txtai | 💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows | 80 | ★ 13k | 14 Oct 2026 |
| #11 | MemOS | Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token saving… | 80 | ★ 12k | 10 Oct 2026 |
| #12 | cocoindex | Incremental engine for long horizon agents 🌟 Star if you like it! | 80 | ★ 12k | 14 Oct 2026 |
| #13 | honcho | Memory library for building stateful agents | 79 | ★ 7.6k | 14 Oct 2026 |
| #14 | moss | The retrieval layer for production AI systems. Lightning-fast (<10ms) search without vector databases. Built for browser, edge, on-device, a… | 69 | ★ 798 | 14 Oct 2026 |
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