RAG and search: tools for developers

Retrieval-augmented tools, vector databases, embeddings and semantic search. An entry can appear under several use cases when its topics or description provide several explicit signals.

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144 entries in this view.

Tool ranking

Ranked by measured growth, normalized across sources. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.

  1. 1

    Agent
    Active

    AI-powered virtual executive team — a single coherent executive persona backed by 8 specialist Claude agents (FastAPI + Next.js).

    Python
    • ai
    • anthropic
    • claude
    • fastapi
    • llm

    githubmeasured growthOpen source ↗

    3 393GitHub stars+3 134 (+1210.0 %)
  2. 2

    App
    Active

    World's first open-source enterprise world model.

    RustLicense: Apache-2.0
    • agent-memory
    • bitemporal
    • graphrag
    • knowledge-base
    • knowledge-graph

    githubmeasured growthOpen source ↗

    1 348GitHub stars+516 (+62.0 %)
  3. 3

    Skill
    Active

    Open-source infrastructure that turns scattered SKILL.md files into curated, retrieval-ready agent-skill corpora—with retrieval and evaluation tooling included.

    PythonLicense: Apache-2.0
    • agent-memory
    • agent-skills
    • ai-agents
    • benchmark
    • dataset

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/EverMind-AI/SkillCorpus ~/.claude/skills/SkillCorpus

    424GitHub stars+204 (+92.7 %)
  4. 4

    Skill
    Active

    Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

    PythonLicense: MIT
    • agent-skills
    • ai-agents
    • book-to-skill
    • context-engineering
    • document-processing

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skill

    27 824GitHub stars+1 906 (+7.4 %)
  5. 5

    Other
    Active

    Graph-Native Infrastructure for Context and Accountable AI Systems

    PythonLicense: MIT
    • agent-memory
    • ai
    • ai-governance
    • ai-infrastructure
    • artificial-intelligence

    githubmeasured growthOpen source ↗

    11 626GitHub stars+674 (+6.2 %)
  6. 6

    Skill
    Active

    AI-agent skill producing reusable Markdown from PDFs. It turns flowcharts, diagrams, and charts into text beside each caption instead of empty links. It checks an earlier conversion against the PDF and fixes misread or missing parts. Long…

    PythonLicense: AGPL-3.0
    • agent-skills
    • ai-agents
    • codex
    • codex-skill
    • document-conversion

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/libnyx/LT2MD ~/.claude/skills/LT2MD

    89GitHub stars+43 (+93.5 %)
  7. 7

    Library
    UnknownLast commit: unavailable

    Typescript bindings for langchain

    • llm
    • ai
    • gpt3
    • chain
    • prompt

    npmmeasured growthOpen source ↗

    Install npm install langchain

    1 972 550downloads over 7 days+62 399 (+3.3 %)
  8. 8

    Skill
    Active

    Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

    PythonLicense: Apache-2.0
    • ai-agents
    • antigravity
    • ast
    • claude-code
    • code-analysis

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Graphify-Labs/graphify ~/.claude/skills/graphify

    113 548GitHub stars+2 425 (+2.2 %)
  9. 9

    Skill
    Active

    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,…

    JavaScriptLicense: Apache-2.0
    • ai
    • ai-agents
    • ai-memory
    • anthropic
    • artificial-intelligence

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add thedotmack/claude-mem

    92 932GitHub stars+965 (+1.0 %)
  10. 10

    MCP
    Active

    Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

    PythonLicense: Apache-2.0
    • agent
    • ai
    • anthropic
    • claude-code
    • compression

    githubmeasured growthOpen source ↗

    68 350GitHub stars+630 (+0.93 %)
  11. 11

    Agent
    Active

    RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

    GoLicense: Apache-2.0
    • agent-harness
    • agentic-ai
    • agentic-retrieval
    • agentic-search
    • ai

    githubmeasured growthOpen source ↗

    89 855GitHub stars+518 (+0.58 %)
  12. 12

    App
    Active

    User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

    Python
    • ai
    • llm
    • llm-ui
    • llm-webui
    • llms

    githubmeasured growthOpen source ↗

    150 645GitHub stars+593 (+0.40 %)
  13. 13

    Other
    Active

    Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

    TypeScript
    • agent
    • agentic-ai
    • agentic-framework
    • agentic-workflow
    • ai

    githubmeasured growthOpen source ↗

    154 149GitHub stars+540 (+0.35 %)
  14. 14

    Agent
    Active

    The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

    PythonLicense: Apache-2.0
    • agentic-memory
    • agentic-memory-system
    • agents
    • ai
    • ai-agents

    githubmeasured growthOpen source ↗

    64 545GitHub stars+406 (+0.63 %)
  15. 15

    MCP
    Active

    A trilingual (繁中 / English / 简中) learning roadmap for agentic AI: from LLM basics to multi-agent systems, with 240+ curated resources and hands-on examples. 中文 AI agent 學習地圖。

    PythonLicense: MIT
    • agentic-ai
    • agentic-workflows
    • ai-agent
    • ai-agents
    • awesome-list

    githubmeasured growthOpen source ↗

    6 589GitHub stars+168 (+2.6 %)
  16. 16

    Agent
    Active

    The agent engineering platform.

    PythonLicense: MIT
    • agents
    • ai
    • ai-agents
    • anthropic
    • chatgpt

    githubmeasured growthOpen source ↗

    145 465GitHub stars+379 (+0.26 %)
  17. 17

    Skill
    Active

    ReachAI企业级智能体开发平台：快速、安全完成已有业务系统智能化改造，让 AI 在 OA、ERP、CRM 等原系统中查数据、填表单、办业务。ReachAI: Quickly and securely bring AI to existing enterprise systems, enabling AI to query data, fill out forms, and execute business tasks directly within OA, ERP,…

    JavaLicense: MIT
    • a2a
    • agent
    • agent-framework
    • agent-skills
    • agents

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/w8123/EnterpriseAgentFramework ~/.claude/skills/EnterpriseAgentFramework

    638GitHub stars+54 (+9.2 %)
  18. 18

    Model
    Active

    21 Lessons, Get Started Building with Generative AI

    Jupyter NotebookLicense: MIT
    • ai
    • azure
    • chatgpt
    • dall-e
    • generative-ai

    githubmeasured growthOpen source ↗

    118 967GitHub stars+298 (+0.25 %)
  19. 19

    Other
    Active

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

    TypeScriptLicense: Apache-2.0
    • ai
    • alternative
    • auth
    • database
    • deno

    githubmeasured growthOpen source ↗

    108 706GitHub stars+263 (+0.24 %)
  20. 20

    Other
    Active

    Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

    JavaScriptLicense: MIT
    • agent-computer
    • agent-harness
    • agent-orchestration
    • agentic-ai
    • ai-agents

    githubmeasured growthOpen source ↗

    65 486GitHub stars+225 (+0.34 %)
  21. 21

    MCP
    Active

    Local-first MCP memory server: SQLite, FTS5 and vector search, AES-256-GCM. 55 tools, no cloud.

    RustLicense: MIT

      mcpmeasured growthOpen source ↗

      67GitHub stars+14 (+26.4 %)
    • 22

      Skill
      Active

      Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes,…

      PythonLicense: MIT
      • agent-skills
      • ai-agents
      • ai-note-taking
      • ai-second-brain
      • anthropic

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/eugeniughelbur/obsidian-second-brain ~/.claude/skills/obsidian-second-brain

      4 292GitHub stars+83 (+2.0 %)
    • 23

      Other
      Active

      Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI…

      TypeScriptLicense: MIT
      • ci
      • ci-cd
      • cicd
      • evaluation
      • evaluation-framework

      githubmeasured growthOpen source ↗

      24 738GitHub stars+131 (+0.53 %)

    Learning resources

    Ranked by measured growth, normalized across sources. These resources remain available separately and do not take part in the main tool ranking.

    1. 1

      atlas-agent-control-plane

      Skill
      ActiveOpen source ↗

      AtlasAgent - an auditable AI agent control plane: evidence-backed memory, governed tool runtime, checkpoint DAG recovery, and a 55-chapter engineering tutorial. FastAPI / Next.js PWA / Textual TUI

      PythonLicense: MIT
      • agent
      • agent-framework
      • agent-orchestration
      • agent-skills
      • agentic-ai
      github

      Install git clone https://github.com/malevrigns/atlas-agent-control-plane ~/.claude/skills/atlas-agent-control-plane

      Resourcemeasured growth
      105GitHub stars+55 (+110.0 %)
    2. 2

      awesome-llm-apps

      Skill
      ActiveOpen source ↗

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

      PythonLicense: Apache-2.0
      • agents
      • llms
      • python
      • rag
      github

      Install git clone https://github.com/Shubhamsaboo/awesome-llm-apps ~/.claude/skills/awesome-llm-apps

      Resourcemeasured growth
      135 653GitHub stars+1 033 (+0.77 %)