Top Semantic Search repositories

Repositories with the GitHub topic “semantic-search”: 23 repositories with 577k stars between them, mostly written in Python, Rust and C++. The highest-rated is microsoft/generative-ai-for-beginners, #69 on the bestofgithub Elo ladder.

Biggest movers this week

neuml/txtai

Open on GitHubPython

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

  • 1,752−1 Elo, change today
  • 13.4k stars
  • 1k forks
  • 115 watchers
git
git clone https://github.com/neuml/txtai.git
  • agents
  • ai
  • ai-agents
  • embeddings

ARahim3/DigUp

Open on GitHubSwift
  • Gold I
  • New & Rising · Oct 2026
  • New & Rising · Nov 2026

Search your computer by what's in your files: photos, PDFs, documents, recordings, videos and code. On-device on Mac, Windows and Linux, built on Google DeepMind's EmbeddingGemma 2.

  • 1,618+13 Elo, change today
  • 6.4k stars
  • 514 forks
git
git clone https://github.com/ARahim3/DigUp.git
  • embeddinggemma
  • embeddings
  • file-search
  • linux

yjid/kensaku

Open on GitHubRust

Search inside documents, code, and even screenshots - instantly and locally. A free, open-source file launcher with OCR, semantic search, and MCP agent access.

  • 960−12 Elo, change today
  • 1.8k stars
  • 118 forks
git
git clone https://github.com/yjid/kensaku.git
  • ai-agents
  • desktop
  • desktop-search
  • file-search

lancedb/lancedb

Open on GitHubRust

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

  • 1,652+1 Elo, change today
  • 11.9k stars
  • 1.1k forks
git
git clone https://github.com/lancedb/lancedb.git
  • approximate-nearest-neighbor-search
  • image-search
  • nearest-neighbor-search
  • recommender-system

cocoindex-io/cocoindex

Open on GitHubRust

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

  • 1,618−1 Elo, change today
  • 11.8k stars
  • 931 forks
git
git clone https://github.com/cocoindex-io/cocoindex.git
  • agentic-data-framework
  • ai
  • ai-agents
  • change-data-capture

Top 23 on the Elo ladder

  1. #69
    microsoft/generative-ai-for-beginners

    21 Lessons, Get Started Building with Generative AI

    2,286 Elo −50123kJupyter Notebook
  2. #231
    Tencent/WeKnora

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

    2,108 Elo −337.4kGo
  3. #1,023
    meilisearch/meilisearch

    Lightning-fast, typo-tolerant search engine behind a RESTful API.

    1,852 Elo −2859.8kRust
  4. #1,090
    khoj-ai/khoj

    Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations…

    1,842 Elo −5838.1kPython
  5. #1,127
    NirDiamant/RAG_Techniques

    This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique…

    1,837 Elo −4730.3kJupyter Notebook
  6. #1,159
    deepset-ai/haystack

    Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design…

    1,833 Elo +1427kPython
  7. #1,292
    semantica-agi/semantica

    Graph-Native Infrastructure for Context and Accountable AI Systems

    1,814 Elo +6814.6kPython
  8. #1,779
    neuml/txtai

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

    1,752 Elo +17013.4kPython
  9. #2,375
    typesense/typesense

    Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo…

    1,688 Elo −827.1kC++
  10. #2,798
    lancedb/lancedb

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

    1,652 Elo +5111.9kRust
  11. #2,800
    alibaba/zvec

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

    1,652 Elo +716.2kC++
  12. #2,817
    memvid/memvid

    Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents…

    1,651 Elo 17.4kRust
  13. #3,041
    pathwaycom/serviette

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

    1,633 Elo −3658.7kPython
  14. #3,290
    cocoindex-io/cocoindex

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

    1,618 Elo +5111.8kRust
  15. #3,291
    ARahim3/DigUp

    Search your computer by what's in your files: photos, PDFs, documents, recordings, videos and code. On-device on Mac…

    1,618 Elo +1386.4kSwift
  16. #3,343
    arc53/DocsGPT

    Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document…

    1,615 Elo −3818.3kPython
  17. #4,001
    weaviate/weaviate

    Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector…

    1,573 Elo −2916.9kGo
  18. #4,522
    deeplethe/utopia

    World's first open-source enterprise world model.

    1,544 Elo +138.7kRust
  19. #4,650
    zilliztech/claude-context

    Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

    1,537 Elo +712.6kTypeScript
  20. #5,068
    paradedb/paradedb

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

    1,516 Elo +349.5kRust
  21. #8,374
    zilliztech/GPTCache

    Semantic cache for LLMs. Fully integrated with LangChain and llama_index.

    1,380 Elo +18.2kPython
  22. #9,420
    airweave-ai/airweave

    Open-source context retrieval layer for AI agents

    1,325 Elo −116.5kPython
  23. #10,023
    yjid/kensaku

    Search inside documents, code, and even screenshots - instantly and locally. A free, open-source file launcher with…

    960 Elo +771.8kRust