Open-source search-engine software
2963 open-source libraries, tools and applications tagged search-engine, ranked by how closely search-engine is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
2963 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| AnyListen/YaVipCore A .NET Core music interface service that aggregates search and playback across Chinese music platforms such as NetEase, QQ, Kugou, Kuwo, Ba… | 23 | 1181 | maintenance |
| MLNLP-World/AI-Paper-Collector A tool from the MLNLP community that automatically collects AI-related papers from sources like DBLP, ACL Anthology, NIPS, and OpenReview, … | 32 | 1173 | maintenance |
| carmen-ruby/carmen Carmen is a Ruby library providing a clean API for querying countries and their subregions (states, provinces, etc.) using ISO 3166 data. I… | 23 | 1167 | maintenance |
| KirillOsenkov/SourceBrowser A source browser website generator that analyzes C#/VB/MSBuild/TypeScript code with Roslyn and produces a static hyperlinked HTML website f… | 61 | 1162 | maintenance |
| DoTheEvo/ANGRYsearch ANGRYsearch is a Linux desktop file search application that provides instant results as you type, inspired by the Windows tool Everything S… | 23 | 1162 | maintenance |
| ppoffice/hexo-theme-hueman Hueman is a responsive Hexo blog theme ported from AlxMedia's WordPress theme of the same name. It offers built-in widgets, self-hosted sit… | 10 | 1162 | maintenance |
| FALCONN-LIB/FALCONN FALCONN is a C++ library (with a Python wrapper) implementing locality-sensitive hashing (LSH) data structures for fast nearest neighbor se… | 23 | 1161 | maintenance |
| Elastic Scout Driver A Laravel Scout driver that integrates Eloquent models with Elasticsearch, providing index configuration, mappings, search rules, filters, … | 10 | 1155 | maintenance |
| magese/ik-analyzer-solr A Java library that adapts the IK Chinese word segmentation analyzer for Apache Solr 7.x-8.x, distributed via Maven. It merges multiple Chi… | 23 | 1153 | maintenance |
| MiSecurity/x-patrol A GitHub leak scanning system written in Go that monitors GitHub for leaked secrets and sensitive code. It provides a web management consol… | 23 | 1149 | maintenance |
| pyloque/fastscan FastScan is a JavaScript library implementing the Aho-Corasick algorithm for fast multi-pattern text search, commonly used for sensitive/ba… | 32 | 1148 | maintenance |
| jieba.NET jieba.NET is a C# port of the popular jieba Chinese word segmentation library, supporting .NET Framework and .NET Core. It offers precise, … | 32 | 1143 | maintenance |
| AykutSarac/github-rater A web application that rates GitHub profiles by fetching user data from the GitHub API and scoring popularity, biography, and repository qu… | 10 | 1143 | maintenance |
| apasccon/SearchTextField A Swift UITextField subclass for iOS that displays an autocomplete suggestions dropdown as the user types, with optional subtitles, images,… | 32 | 1139 | maintenance |
| Keypirinha Keypirinha is a fast, keyboard-driven launcher for Windows that lets users quickly find and launch applications, files, bookmarks, URLs, se… | 23 | 1139 | maintenance |
| snuffyDev/Beatbump Beatbump is a privacy-respecting alternative frontend for YouTube Music built with SvelteKit, offering ad-free audio playback, playlist man… | 10 | 1130 | maintenance |
| Data.gov The WordPress theme and issue tracker for Data.gov, the U.S. government's open data site, which pairs a WordPress front end with a CKAN dat… | 77 | 1126 | maintenance |
| InteractiveGraph InteractiveGraph is a JavaScript framework for web-based interactive visualization and analysis of large graph data sourced from GSON files… | 30 | 1125 | maintenance |
| swanandx/lemmeknow lemmeknow is a fast Rust CLI tool and library that identifies mysterious text, strings, and files using regex-based pattern matching (e.g.,… | 23 | 1120 | maintenance |
| Teradata/kylo Kylo is an open-source enterprise data lake management platform for self-service data ingest and preparation, with integrated metadata mana… | 32 | 1116 | maintenance |
| rasguanabana/ytfs YTFS is a FUSE-based virtual filesystem that lets you search YouTube and play videos as regular files with any media player. You mount it, … | 32 | 1116 | maintenance |
| openTrinity/mycontext MyContext is a local-first desktop application that builds a persistent personal work context layer by connecting signals from instant mess… | 55 | 5018 | experimental |
| baumgarr/nixnote2 NixNote2 is an unofficial Evernote client for Linux written in C++ with Qt. It lets users create, organize, and sync notes with Evernote ac… | 32 | 1111 | maintenance |
| ded/qwery Qwery is a lightweight CSS selector engine built on top of querySelectorAll, adding practical utilities like query contexts. It was histori… | 32 | 1106 | maintenance |
| Teriteri Teriteri is a Vue3-based web client for a Bilibili-style danmaku (bullet comment) video sharing platform, built as a graduation project wit… | 29 | 1102 | maintenance |
| Zephery/newblog A personal blog/website application built with Java (Spring, Spring MVC, Mybatis), featuring Lucene-based search, Redis caching, WebSocket … | 23 | 1098 | maintenance |
| brianreavis/sifter.js Sifter.js is a JavaScript library for textually searching arrays and hashes of objects by one or more properties, with scoring, filtering, … | 23 | 1097 | maintenance |
| panzhangwang/getAwesomeness A web explorer that aggregates and organizes curated awesome lists hosted on GitHub. It parses table-of-contents from each list's README an… | 32 | 1094 | maintenance |
| pawelmalak/snippet-box Snippet Box is a self-hosted web application for organizing, creating, editing, and browsing code snippets across various languages. It fea… | 32 | 1092 | maintenance |
| traildb/traildb TrailDB is a C library and tdb command-line tool for storing and querying series of discrete events (trails) in highly compressed, immutabl… | 32 | 1090 | maintenance |
| InkProject/ink Ink (InkPaper) is a static blog generator written in Go with no dependencies, fast builds, and an elegant built-in theme. It supports YAML … | 63 | 1089 | maintenance |
| ls0f/phone A Python library that looks up the Chinese province, city, zip code, area code, and carrier for a mobile phone number prefix using an offli… | 32 | 1084 | maintenance |
| acikyazilimagi/afet-org An open-source earthquake relief platform (depremyardim.com / afetharita.com) that aggregates calls for help from Twitter, WhatsApp, Telegr… | 31 | 1077 | maintenance |
| joewalnes/filtrex Filtrex is a small JavaScript library that compiles a simple, spreadsheet-like filter expression language written by end-users into safe, f… | 32 | 1071 | maintenance |
| OpenFind OpenFind is an open-source iOS app that finds text in real life using OCR, letting users search in real time via the camera or across their… | 23 | 1070 | maintenance |
| databricks/lilac Lilac is an open-source tool for exploring, curating, and quality-controlling datasets used for training, fine-tuning, and monitoring LLMs.… | 10 | 1070 | maintenance |
| Mauker1/MaterialSearchView An Android library providing a Material Design-styled search view that overlays the Toolbar or ActionBar and displays suggested or recent s… | 10 | 1066 | maintenance |
| curusarn/resh RESH is a context-aware replacement for zsh and bash shell history written in Go. It provides full-text search over past commands via Ctrl+… | 23 | 1060 | maintenance |
| DonJayamanne/gitHistoryVSCode A Visual Studio Code extension that provides a graphical view of git history, including git log with graph, file and line history (blame), … | 23 | 1057 | maintenance |
| daprofiler/DaProfiler DaProfiler is a Python-based OSINT CLI tool that traces a person's digital identity from a first and last name, recovering email addresses,… | 10 | 1050 | maintenance |
| haltakov/natural-language-image-search A demo application that searches Unsplash photos using natural language descriptions, powered by OpenAI's CLIP model over the ~2M photo Uns… | 23 | 1045 | maintenance |
| stefanjudis/tiny-helpers tiny-helpers.dev is a curated directory website listing hundreds of free, single-purpose online tools for web developers, built with Eleven… | 71 | 1043 | maintenance |
| 1e0ng/simhash A Python implementation of the Simhash algorithm for near-duplicate detection and similarity estimation of text. It provides a small, focus… | 32 | 1038 | maintenance |
| rfunix/Pompem Pompem is a Python command-line tool that automates searching for exploits and vulnerabilities across major databases like PacketStorm, CXS… | 23 | 1038 | maintenance |
| securing/DumpsterDiver DumpsterDiver is a Python command-line tool that scans large volumes of files for hardcoded secrets such as AWS, Azure, and SSH keys as wel… | 10 | 1037 | maintenance |
| laodaobazi/ldbz-shop A distributed e-commerce mall system built with Spring Boot, Dubbo RPC, MySQL, Redis, and SolrCloud, with separate web apps for admin, cart… | 32 | 1035 | maintenance |
| ArrowLuo/CLIP4Clip Official PyTorch implementation of the CLIP4Clip paper, a video-text retrieval model that transfers CLIP knowledge to end-to-end video clip… | 23 | 1034 | maintenance |
| devsnd/cherrymusic CherryMusic is a self-hosted music streaming server built on CherryPy and jPlayer that lets users stream their personal music collection to… | 32 | 1033 | maintenance |
| hzlzh/Alfred-Workflows A collection of Alfred 2 workflows, extensions, and themes for macOS, including URL shortening, SEO checking, file path copying, and workfl… | 23 | 1033 | maintenance |
| gdtool/zhaopp A Google Drive search engine built on Elasticsearch that indexes millions of files from shared team drives and lets users search and direct… | 32 | 1031 | maintenance |
| CMDB An open-source CMDB (Configuration Management Database) and IT asset management system built with Django REST framework and Vue/Element-UI.… | 32 | 1030 | maintenance |
| lostdesign/linked Linked is a free, open-source desktop app for distraction-free daily journaling, built with Electron and Vue. Notes are stored locally as p… | 23 | 1021 | maintenance |
| sentinelsat/sentinelsat A Python library and CLI tool for searching, downloading, and retrieving metadata of Copernicus Sentinel satellite images from data hubs. I… | 10 | 1018 | maintenance |
| tensorflow/similarity TensorFlow Similarity is a Python library built on TensorFlow for training and serving similarity and metric learning models, including sel… | 10 | 1018 | maintenance |
| zhihu/rucene Rucene is a Rust port of Apache Lucene, providing a library and API for adding full text search capabilities to applications. Its index sea… | 32 | 1017 | maintenance |
| bit4woo/teemo Teemo is a Python command-line reconnaissance tool that collects domains, subdomains, and email addresses for a target organization. It agg… | 32 | 1017 | maintenance |
| hankcs/AhoCorasickDoubleArrayTrie A Java library implementing the Aho-Corasick multi-pattern string matching algorithm on top of a Double Array Trie, achieving O(n) matching… | 23 | 1016 | maintenance |
| efficient/cuckoofilter A C++ library implementing cuckoo filters, a space-efficient probabilistic data structure for approximate set-membership queries that suppo… | 32 | 1014 | maintenance |
| luozhouyang/python-string-similarity A Python 3 library implementing a dozen string similarity and distance algorithms, including Levenshtein variants, Jaro-Winkler, longest co… | 23 | 1014 | maintenance |
| naver/splade SPLADE is a research library from NAVER for training, indexing, and retrieval with sparse neural search models based on BERT. It learns spa… | 23 | 1014 | maintenance |
| allegro/allRank allRank is a PyTorch-based framework for training neural learning-to-rank (LTR) models. It provides pointwise, pairwise, and listwise loss … | 32 | 1011 | maintenance |
| overtrue/api.yike.io The backend API source code for yike.io, a Chinese developer community forum, built on Laravel 5 with Laravel Passport for OAuth authentica… | 10 | 1009 | maintenance |
| kang205/SASRec Official TensorFlow implementation of SASRec (Self-Attentive Sequential Recommendation), a Transformer-based sequential recommendation mode… | 32 | 1007 | maintenance |
| anvaka/vs A web application that visualizes Google's autocomplete suggestions as an interactive graph. It renders search query expansions as connecte… | 68 | 1003 | maintenance |
| NyaaPantsu/nyaa A self-hostable replacement for the Nyaa.se anime torrent site, written in Go. It provides a searchable torrent database with a web interfa… | 23 | 1002 | maintenance |
| bitmagnet-io/bitmagnet bitmagnet is a self-hosted BitTorrent indexer, DHT crawler, content classifier and torrent search engine with a web UI, GraphQL API and Ser… | 59 | 4395 | experimental |
| Ekultek/Zeus-Scanner Zeus-Scanner is a Python-based advanced reconnaissance utility for web application security testing. It automates dork-based URL discovery … | 23 | 999 | maintenance |
| gsh199449/spider Gather Platform is a Java-based configurable web crawler built on the WebMagic kernel, with a web console for configuring and managing scra… | 57 | 996 | maintenance |
| toshi-search/Toshi Toshi is a full-text search engine written in safe, stable Rust, intended as an Elasticsearch-like service built on Tantivy. It exposes an … | 69 | 4255 | experimental |
| Cyb3rWard0g/HELK The Hunting ELK (HELK) is an open-source threat hunting platform built on the ELK stack (Elasticsearch, Logstash, Kibana) with advanced ana… | 23 | 3931 | experimental |
| timelinize/timelinize Timelinize is an open-source personal archival suite that imports photos, videos, messages, location history, social media, and contacts fr… | 61 | 3676 | experimental |
| pingcap/autoflow AutoFlow is an open-source Graph RAG knowledge base tool that builds knowledge graphs over crawled documentation and answers questions via … | 60 | 2974 | experimental |
| rootfont/rootfont rootfont is a native macOS font manager for designers and programmers, built in Swift. It lets users browse, preview, compare, score, and i… | 81 | 2655 | experimental |
| jasonjmcghee/rem rem is an open-source macOS application that locally records everything you view on your screen by taking periodic screenshots and running … | 17 | 2489 | experimental |
| aleksilassila/reiverr Reiverr is a self-hosted web application providing a unified interface for discovering movies and TV shows via TMDB and streaming content f… | 76 | 2347 | experimental |
| blacksmithgu/datacore Datacore is an Obsidian plugin that indexes Markdown files and provides fast, live-updating query views, serving as the successor to Datavi… | 80 | 2240 | experimental |
| kenn-io/msgvault msgvault is a Go application that archives a lifetime of email, chat, calendar, and meeting data into a local SQLite/DuckDB store, supporti… | 83 | 2160 | experimental |
| Zep Graphiti is an open‑source framework for building and querying temporal knowledge graphs that evolve with each interaction. It powers Zep's… | 93 | 210 | active |
| Kiwix Kiwix for Android is an offline reader application that displays Web content, primarily Wikipedia, from highly compressed ZIM archive files… | 87 | 206 | active |
| photonixapp/photonix Photonix is a self-hosted, web-based photo management server built with Django and React. It ingests your photo collection and enables smar… | 61 | 1956 | experimental |
| hashicorp-forge/hermes Hermes is an open-source document management system created by HashiCorp Labs to help scale the writing and document review process. It int… | 52 | 1908 | experimental |
| IliasHad/edit-mind Edit Mind is a local-first video knowledge base that indexes video libraries with multi-modal AI analysis (Whisper transcription, YOLO obje… | 71 | 1814 | experimental |
| iam4x/bobarr Bobarr is a self-hosted, Docker-based all-in-one movies and TV shows collection manager for BitTorrent users, serving as an alternative to … | 10 | 1711 | experimental |
| eBay/akutan Akutan is a distributed knowledge graph store (RDF/triple store) written in Go, designed to hold large graphs that don't fit on a single se… | 10 | 1653 | experimental |
| ontola/atomic-server AtomicServer is a lightweight open-source headless CMS and graph database for creating, sharing, and modeling Atomic Data, shipped as a sin… | 94 | 1622 | experimental |
| polarsignals/frostdb FrostDB is an embeddable columnar database written in Go that uses Apache Parquet for storage and Apache Arrow for query-time processing. I… | 77 | 1550 | experimental |
| justrach/codedb codedb is a Zig-based code intelligence server that indexes a codebase once and serves structural queries (symbols, outlines, trigram searc… | 76 | 1395 | experimental |
| mozilla-ai/cq cq is an open standard and tooling for shared agent learning: AI coding agents persist, share, and query structured knowledge units so they… | 73 | 1275 | experimental |
| cinderline/northcinder NorthCinder is a self-hosted MCP server that acts as a buyer-side shopping agent, comparing products across user-chosen sources and explain… | 73 | 1208 | experimental |
| mariusandra/insights Insights is a self-hosted, open-source business intelligence platform for visually exploring PostgreSQL databases and building time-based p… | 54 | 1125 | experimental |
| model-zoo/shift-ctrl-f A Chrome extension that lets users search a webpage using natural language questions instead of exact string matching. It runs a MobileBERT… | 10 | 1100 | experimental |
| crowi/crowi Crowi is an open-source, self-hosted Markdown wiki application for team knowledge sharing, originally released in 2014. Its v2 'Reignite' r… | 86 | 1099 | experimental |
| tantaraio/voy Voy is a tiny vector similarity search engine written in Rust and compiled to WebAssembly, using a k-d tree index for fast nearest-neighbor… | 32 | 1076 | experimental |
| Omniplex-ai/omniplex Omniplex is an open-source, self-hosted alternative to Perplexity, an AI-powered answer engine that combines web search with LLMs to genera… | 25 | 1060 | experimental |
| philippgille/chromem-go chromem-go is an embeddable vector database for Go with a Chroma-like interface and zero third-party dependencies. It runs in-memory with o… | 59 | 1059 | experimental |
| btrask/stronglink StrongLink is a searchable, syncable, content-addressable notetaking and blogging system written in C. Entries are linked via cryptographic… | 32 | 1033 | experimental |
| lmatteis/torrent-net TorrentNet is a C application that builds distributed search engines on top of the BitTorrent network and SQLite databases. It lets users q… | 32 | 1030 | experimental |
| ZY Player ZY-Player is a cross-platform desktop video resource player built with Electron and Vue. It aggregates online video sources with a clean, a… | 23 | 14508 | abandoned |
| Searx Searx is a privacy-respecting, hackable metasearch engine that aggregates results from multiple third-party search engines without tracking… | 56 | 13553 | abandoned |
| wong2/chatgpt-google-extension A browser extension that displays ChatGPT responses alongside results from Google and other search engines like Bing, DuckDuckGo, and Brave… | 32 | 13042 | abandoned |