Top Search Engine repositories

Repositories with the GitHub topic “search-engine”: 29 repositories with 558k stars between them, mostly written in Rust, Python and TypeScript. The highest-rated is xerj-org/xerj, #452 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

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

xerj-org/xerj

Open on GitHubRust

AI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector and hybrid search, code search without grep, agent memory and RAG. Elasticsearch-compatible API; Corpus Hub serves hundreds of reference memory corpora.

  • 1,992−1 Elo, change today
  • 19.1k stars
  • 1.4k forks
  • 190 watchers
git
git clone https://github.com/xerj-org/xerj.git
  • agent-memory
  • ai-agents
  • bm25
  • claude-code

edoardottt/awesome-hacker-search-engines

Open on GitHubShell

A curated list of awesome search engines useful during Penetration testing, Vulnerability assessments, Red/Blue Team operations, Bug Bounty and more

  • 1,620+10 Elo, change today
  • 11.5k stars
  • 1.1k forks
git
git clone https://github.com/edoardottt/awesome-hacker-search-engines.git
  • awesome
  • awesome-list
  • awesome-lists
  • bugbounty

paradedb/paradedb

Open on GitHubRust

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

  • 1,516−1 Elo, change today
  • 9.5k stars
  • 513 forks
git
git clone https://github.com/paradedb/paradedb.git
  • aggregations
  • analytics
  • bm25
  • columnar-storage

Top 29 on the Elo ladder

  1. #452
    xerj-org/xerj

    AI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for…

    1,992 Elo +4719.1kRust
  2. #458
    elastic/elasticsearch

    Free and Open Source, Distributed, RESTful Search Engine

    1,990 Elo −2878.7kJava
  3. #488
    searxng/searxng

    SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users…

    1,979 Elo −239.5kPython
  4. #603
    ItzCrazyKns/Vane

    Vane is an AI-powered answering engine.

    1,940 Elo −438.2kTypeScript
  5. #897
    qdrant/qdrant

    Vector database and similarity search engine for embeddings, written in Rust.

    1,875 Elo −2335.5kRust
  6. #1,023
    meilisearch/meilisearch

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

    1,852 Elo −2859.8kRust
  7. #1,779
    neuml/txtai

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

    1,752 Elo +17013.4kPython
  8. #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++
  9. #2,501
    opensearch-project/OpenSearch

    🔎 Open source distributed and RESTful search engine.

    1,675 Elo +1814kJava
  10. #2,639
    quickwit-oss/tantivy

    Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

    1,664 Elo +2316.4kRust
  11. #2,798
    lancedb/lancedb

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

    1,652 Elo +5111.9kRust
  12. #2,800
    alibaba/zvec

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

    1,652 Elo +716.2kC++
  13. #3,248
    edoardottt/awesome-hacker-search-engines

    A curated list of awesome search engines useful during Penetration testing, Vulnerability assessments, Red/Blue Team…

    1,620 Elo +3611.5kShell
  14. #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
  15. #4,143
    zaidmukaddam/scira

    Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet…

    1,565 Elo −211.9kTypeScript
  16. #4,853
    quickwit-oss/quickwit

    Cloud-native OSS search engine for observability

    1,526 Elo −811.7kRust
  17. #4,854
    PaddlePaddle/PaddleNLP

    Easy-to-use and powerful LLM and SLM library with awesome model zoo.

    1,526 Elo −1912.9kPython
  18. #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
  19. #5,597
    searx/searx

    Privacy-respecting metasearch engine

    1,492 Elo −313.5kPython
  20. #5,902
    valeriansaliou/sonic

    🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.

    1,478 Elo +921.3kRust
  21. #5,940
    qbittorrent/search-plugins

    Search plugins for qBittorrent search feature

    1,476 Elo +587.2kPython
  22. #6,878
    nextapps-de/flexsearch

    Next-generation full-text search library for Browser and Node.js

    1,438 Elo −2313.8kJavaScript
  23. #7,084
    vespa-engine/vespa

    The AI search platform

    1,430 Elo +337.1kJava
  24. #7,380
    benbusby/whoogle-search

    A self-hosted, ad-free, privacy-respecting metasearch engine

    1,418 Elo −2711.5kPython
  25. #7,384
    oramasearch/orama

    🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text…

    1,418 Elo −2310.6kTypeScript
  26. #8,448
    mailpile/Mailpile

    A free & open modern, fast email client with user-friendly encryption and privacy features

    1,378 Elo −108.8kPython
  27. #8,758
    manticoresoftware/manticoresearch

    Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

    1,363 Elo +2012kC++
  28. #9,577
    iorate/ublacklist

    Blocks specific sites from appearing in Google search results

    1,309 Elo +106.6kTypeScript
  29. #10,158
    sahenjp/RustXNG

    Self-hosted metasearch and grounding engine for AI agents, based on SearXNG. Rust, JSON API, optional page text.

    729 Elo −24975Rust