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 |
|---|---|---|---|
| princeton-nlp/tree-of-thought-llm Official implementation of the Tree of Thoughts (ToT) framework for deliberate LLM problem solving, generalizing chain-of-thought prompting… | 21 | 6071 | stable |
| thoughtbot/administrate Administrate is a Rails engine (gem) that generates flexible, customizable admin dashboards for Rails applications. It provides clean CRUD … | 69 | 6032 | stable |
| PawanOsman/OpenCursor OpenCursor is an open-source, Cursor-like AI coding agent distributed as a VS Code extension. It provides agentic chat that reads workspace… | 97 | 6023 | active |
| OFA-Sys/Chinese-CLIP Chinese-CLIP is a Chinese version of the CLIP model trained on ~200 million Chinese image-text pairs, built on open_clip. It provides APIs,… | 62 | 6014 | active |
| Zammad Zammad is a web-based, open-source helpdesk and customer support/ticketing platform that unifies customer communication across channels lik… | 76 | 5974 | stable |
| 21st-dev/magic-mcp Magic MCP is a legacy compatibility proxy package that forwards MCP requests to the unified 21st MCP server, which lets AI coding agents li… | 72 | 5972 | active |
| QOwnNotes QOwnNotes is an open-source plain-text Markdown notepad and todo-list manager for Linux, macOS, and Windows, built with Qt/C++. Notes are s… | 93 | 5886 | stable |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| the-open-agent/openagent OpenAgent is a self-hosted, single-binary personal AI assistant platform built in Go that combines LLM chat, RAG knowledge bases, and auton… | 93 | 5670 | active |
| sferik/x-cli A command-line power tool for Twitter/X that provides a full command tree for posting, searching, deleting, list management, and streaming … | 76 | 5587 | active |
| PaulJuliusMartinez/jless jless is a command-line JSON viewer written in Rust for reading, exploring, and searching JSON data with syntax highlighting, collapsible o… | 65 | 5502 | active |
| Ladon Ladon is a large-scale internal network penetration scanner written in C#, offering port scanning, service identification, network asset di… | 25 | 5333 | active |
| superduper-io/superduper Superduper is an open-source Python framework for building database-integrated AI applications and agents, connecting models, embeddings, a… | 44 | 5329 | active |
| breferrari/obsidian-mind Obsidian Mind is a self-organizing Obsidian vault template that gives AI coding agents like Claude Code, Codex CLI, and Gemini CLI persiste… | 82 | 5300 | active |
| neo4j-labs/llm-graph-builder A web application that transforms unstructured data (PDFs, DOCs, TXTs, YouTube videos, web pages) into a knowledge graph stored in Neo4j us… | 88 | 5264 | active |
| wikimedia/mediawiki MediaWiki is a free, open-source wiki software package written in PHP that powers Wikipedia and thousands of other collaborative knowledge … | 77 | 5209 | stable |
| colanode/colanode Colanode is an open-source, local-first collaboration workspace combining real-time chat, rich-text pages/wikis, customizable databases, an… | 66 | 5163 | active |
| mediacms-io/mediacms MediaCMS is an open source, self-hosted video and media CMS built with Django and React, exposing a REST API. It supports video, audio, ima… | 100 | 5161 | active |
| joomla/joomla-cms Joomla! is a free, open-source Content Management System (CMS) written in PHP for building websites and powerful online applications. It ru… | 100 | 5148 | stable |
| tencentmusic/supersonic SuperSonic is an AI+BI platform that combines Chat BI (natural language querying powered by LLMs) with Headless BI (a governed semantic lay… | 62 | 5112 | active |
| ossec/ossec-hids OSSEC is an open-source host-based intrusion detection system (HIDS) that combines log analysis, file integrity monitoring, rootkit detecti… | 94 | 5062 | stable |
| clidey/whodb WhoDB is a lightweight, self-hosted database management workspace that lets teams explore schemas, edit data, run queries, and visualize re… | 86 | 5033 | active |
| Parca Parca is an open-source continuous profiling server that collects, stores, and queries CPU, memory, and I/O profiles over time, down to the… | 93 | 4980 | active |
| campfirein/byterover-cli ByteRover CLI (brv) is a TypeScript-based interactive REPL/TUI tool that gives AI coding agents a persistent, structured memory layer via a… | 10 | 4958 | active |
| atilaahmettaner/tradingview-mcp An MCP server exposing TradingView market data, technical indicators, screeners, and backtesting as tools for AI assistants like Claude, Ch… | 63 | 4957 | active |
| Maxteabag/sqlit sqlit is a terminal user interface (TUI) for connecting to and querying SQL databases, described as 'the lazygit of SQL databases'. It supp… | 76 | 4923 | active |
| libpostal libpostal is a C library for parsing and normalizing street addresses from around the world using statistical NLP and open geo data. It con… | 56 | 4894 | stable |
| CLI Printing Press A Go-based CLI generator that studies official API docs, community CLIs, MCP servers, and undocumented web APIs to produce token-efficient,… | 79 | 4842 | active |
| macro-inc/macro Macro is an open-source all-in-one team workspace that unifies email, chat, docs, tasks, calls, CRM, and AI agents into a single fast inter… | 81 | 4810 | active |
| Orchid Laravel Admin Platform Orchid is a free, open-source Laravel package for rapid code-driven development of back-office applications, admin panels, and dashboards. … | 89 | 4800 | active |
| basecamp/once-campfire Campfire is a self-hosted, web-based group chat application from Basecamp, written in Ruby on Rails, offering rooms, DMs, file sharing, sea… | 85 | 4786 | active |
| IntelOwl IntelOwl is an open-source, self-hosted application for managing threat intelligence at scale, querying many online analyzers and malware a… | 93 | 4759 | active |
| zlt2000/microservices-platform An enterprise-grade, front-end/back-end separated microservices platform built on Spring Boot 3.x, Spring Cloud, and Spring Cloud Alibaba. … | 27 | 4749 | active |
| VectifyAI/OpenKB OpenKB is an open-source CLI tool that compiles raw documents (PDF, Word, Markdown, HTML, and more) into a structured, interlinked wiki-sty… | 71 | 4717 | active |
| linhaojun857/aurora Aurora is a self-hosted, front-end/back-end separated personal blog system built with SpringBoot (Java) and Vue. It includes an admin dashb… | 40 | 4662 | active |
| inkeep/open-knowledge OpenKnowledge is an AI-native WYSIWYG markdown editor and knowledge base app for humans and LLM agents, available as a desktop app (macOS, … | 78 | 4656 | active |
| zongzibinbin/MallChat MallChat is a Java backend for an e-commerce system that combines shopping features (cart, orders, payments, search, recommendations, logis… | 31 | 4656 | active |
| ApostropheCMS ApostropheCMS is a full-featured, open-source content management system and framework built with Node.js and MongoDB. It combines in-contex… | 76 | 4639 | active |
| freescout-help-desk/freescout FreeScout is a free, self-hosted help desk and shared mailbox application built with PHP and Laravel, serving as an open-source alternative… | 95 | 4596 | active |
| RuVector RuVector is a Rust-native vector database and memory substrate for AI agents, combining persistent semantic embeddings, graph relationships… | 83 | 4554 | active |
| Aimeos Aimeos is a full-featured, open-source PHP e-commerce framework that integrates with Laravel, Symfony, and TYPO3 to build online shops, mar… | 76 | 4537 | stable |
| layumi/Person_reID_baseline_pytorch A small, friendly PyTorch baseline implementation for person and vehicle re-identification (ReID). It reproduces strong top-conference resu… | 67 | 4450 | stable |
| TideSec/TscanPlus TscanPlus is a comprehensive network security detection and operations tool for rapid asset discovery, identification, and vulnerability de… | 92 | 4407 | active |
| nalgeon/sqlean A curated collection of SQLite loadable extensions packaged into domain modules like crypto, math, regexp, stats, text, time, uuid, and fil… | 89 | 4368 | active |
| arxhr007/Aliens_eye Aliens Eye is an AI-powered OSINT CLI tool that scans 840+ social media and web platforms to find accounts associated with a given username… | 99 | 4344 | active |
| Lilishop Lilishop (PickMall) is a full-featured open-source Java B2B2C multi-vendor e-commerce system built on Spring Boot 3 / Spring Cloud with Vue… | 67 | 4331 | active |
| Lychee Lychee is a free, open-source, self-hosted photo management system with a web interface for uploading, organizing, and sharing photos. It r… | 95 | 4312 | active |
| EasyCorp/EasyAdminBundle EasyAdminBundle is a Symfony bundle that generates complete, beautiful admin backends (CRUD panels) from Doctrine entities. It provides das… | 94 | 4311 | stable |
| Mike Mike is an open-source, self-hostable legal AI platform combining a Next.js frontend and Express backend for document review, drafting, and… | 77 | 4308 | active |
| ZeroNet ZeroNet is a decentralized web platform that serves websites peer-to-peer using Bitcoin cryptography for site signing and the BitTorrent ne… | 23 | 18776 | maintenance |
| jasonxtn/Argus Argus is a Python-based all-in-one information gathering and reconnaissance toolkit with an interactive console and modular architecture. I… | 44 | 4264 | active |
| Seanime Seanime is an open-source self-hosted media server for anime and manga, offering a web interface and desktop app to manage local libraries,… | 88 | 4221 | active |
| sooryathejas/METATRON METATRON is a CLI-based AI penetration testing assistant that runs a local LLM (via Ollama) entirely offline on Linux, primarily Parrot OS.… | 46 | 4178 | active |
| pypi/warehouse Warehouse is the open-source web application that powers the Python Package Index (PyPI), the official repository for publishing and distri… | 77 | 4170 | active |
| nageoffer/ragent Ragent AI is a production-grade Java platform for building Agentic RAG applications, covering document ingestion, hybrid retrieval (vector,… | 75 | 4164 | active |
| CSGHub CSGHub is an open-source, self-hostable platform for managing the full lifecycle of LLM assets including models, datasets, spaces, and agen… | 90 | 4115 | active |
| Ombi-app/Ombi Ombi is a self-hosted web application that lets users of Plex, Emby, or Jellyfin media servers request movies and TV shows. It syncs with t… | 81 | 4103 | active |
| apache/tika Apache Tika is a Java toolkit that detects file types and extracts text and metadata from over a thousand file formats (PDF, Office documen… | 77 | 4101 | stable |
| hunvreus/pagescms Pages CMS is an open-source, MIT-licensed CMS that lets users edit content and media directly in GitHub repositories through a friendly web… | 87 | 4096 | active |
| yifanfeng97/Hyper-Extract Hyper-Extract is a Python CLI tool that transforms unstructured documents into structured knowledge using LLMs, producing graphs, hypergrap… | 82 | 4051 | active |
| try try is a single-file Ruby CLI that manages experiment/scratch directories in one place, with fuzzy search, recency sorting, and auto-dated … | 58 | 4033 | active |
| muxuuu/serenity-skill An Agent Skill (SKILL.md-based prompt/methodology package) that encodes a Serenity-style investment research workflow for supply-chain bott… | 57 | 4013 | active |
| giuspen/cherrytree CherryTree is a hierarchical note-taking desktop application featuring rich text editing and syntax highlighting, storing data in a single … | 92 | 3967 | active |
| yuruotong1/autoMate autoMate is a self-hosted local automation assistant and MCP tool server that gives AI clients persistent notes, files, reminders, memory, … | 83 | 3965 | active |
| shopizer-ecommerce/shopizer Shopizer is an open-source Java e-commerce platform built on Spring Boot, providing headless commerce with a REST API covering catalog, sho… | 25 | 3942 | active |
| mushan0x0/AI0x0.com AI 0x0 is a multimodal, multi-model desktop AI assistant that lives as a floating ball on macOS and Windows, letting users invoke AI querie… | 33 | 3935 | active |
| gnekt/My-Brain-Is-Full-Crew A crew of 8+ AI agents with 14 specialized skills that manages an Obsidian vault through conversational chat, handling knowledge organizati… | 52 | 3874 | active |
| zheng A distributed agile development system architecture based on Spring+SpringMVC+Mybatis (SSM) providing a full suite of common microservice m… | 32 | 16644 | maintenance |
| skyhook-io/radar Radar is an open-source Kubernetes UI and visibility tool shipped as a single Go binary, offering topology, event timelines, Helm, GitOps, … | 79 | 3866 | active |
| Piwigo Piwigo is an open source photo gallery and digital asset management (DAM) web application written in PHP, for organizing, sharing and contr… | 85 | 3863 | stable |
| neomutt/neomutt NeoMutt is a highly configurable, terminal-based command line email reader (MUA) forked from Mutt, written in C. It consolidates many commu… | 87 | 3838 | active |
| ampache/ampache Ampache is a self-hosted, web-based audio/video streaming application and file manager written in PHP. It lets users access and stream thei… | 100 | 3836 | active |
| LifeArchiveProject/WeChatDataAnalysis A desktop application that decrypts WeChat 4.x's encrypted local databases (SQLCipher/WCDB) by scanning memory for the key, then lets users… | 87 | 3833 | active |
| OpenRewrite OpenRewrite is an open-source automated refactoring ecosystem that parses source code into Lossless Semantic Trees and applies prepackaged … | 96 | 3806 | active |
| umijs/dumi dumi is a static site generator and documentation framework purpose-built for developing React component libraries. It renders Markdown doc… | 92 | 3801 | active |
| bgreenwell/doxx doxx is a fast, terminal-native viewer for .docx Word documents built in Rust with Ratatui. It renders formatting, tables, lists, images, a… | 64 | 3771 | active |
| lunarphp/lunar Lunar is an open-source headless e-commerce package for Laravel, providing product catalogs, carts, orders, payments, discounts, and taxati… | 97 | 3759 | active |
| rust-lang/crates.io The source code and infrastructure for crates.io, the official package registry for the Rust programming language. It includes a Rust backe… | 77 | 3720 | stable |
| phiresky/sql.js-httpvfs A TypeScript library that wraps sql.js (SQLite compiled to WebAssembly) with an HTTP-Range-request based virtual file system, allowing read… | 32 | 3704 | active |
| nuxt/content Nuxt Content is an official Nuxt module that turns Markdown, YAML, CSV, and JSON files in a content/ directory into a queryable, typed data… | 100 | 3672 | active |
| Ontos-AI/knowhere Knowhere is a document ingestion and parsing platform that transforms unstructured documents (PDF, DOCX, XLSX, PPTX, images) into structure… | 77 | 3660 | active |
| laravel/boost Laravel Boost is an official MCP (Model Context Protocol) server that gives AI coding agents like Claude Code and Cursor deep insight into … | 82 | 3655 | active |
| Athou/commafeed CommaFeed is a self-hosted RSS feed reader inspired by Google Reader, built with Quarkus (Java) and React/TypeScript. It supports thousands… | 97 | 3629 | active |
| Craft CMS Craft CMS is a flexible, self-hosted PHP content management system for building bespoke digital experiences, with a clean-slate content mod… | 95 | 3617 | active |
| AIDotNet/OpenDeepWiki OpenDeepWiki is an AI-driven platform that turns Git repositories, ZIP archives, and local directories into searchable, structured document… | 85 | 3615 | active |
| davepoon/buildwithclaude A curated plugin marketplace and discovery hub for Claude Code, Claude Desktop, Agent SDK, and OpenClaw, aggregating agents, slash commands… | 67 | 3614 | active |
| deta/surf Deta Surf is an open-source, local-first AI notebook for macOS, Windows, and Linux that lets users organize files, PDFs, websites, and YouT… | 72 | 3600 | active |
| RUC-NLPIR/FlashRAG FlashRAG is a modular Python toolkit for reproducing and developing Retrieval-Augmented Generation (RAG) research, bundling 36 pre-processe… | 88 | 3590 | active |
| Mereithhh/vanblog VanBlog is a self-hosted personal blogging system built with Next.js/TypeScript that combines a static-site-generated frontend, an admin da… | 67 | 3587 | active |
| chaskiq/chaskiq Chaskiq is a full-featured, source-available live chat, support, and marketing platform serving as an alternative to Intercom, Drift, and C… | 60 | 3573 | active |
| ytmdl ytmdl is a Python CLI tool (with an optional web app) that downloads songs from YouTube as MP3s and enriches them with metadata like artist… | 23 | 3546 | active |
| hoowhoami/EchoMusic EchoMusic is an open-source, minimalist third-party desktop music player client for Kugou Concept Edition, built with Electron, Vue 3, Type… | 81 | 3545 | active |
| omkarcloud/google-maps-scraper A desktop application and API for scraping Google Maps business data, extracting 50+ data points including emails, phone numbers, social pr… | 73 | 3538 | active |
| ascending-llc/jarvis-registry Jarvis Registry is an open-source, enterprise-grade MCP and A2A agent gateway and workflow orchestration platform that gives AI copilots an… | 84 | 3531 | active |
| EverMind-AI/MSA MSA (Memory Sparse Attention) is a Python framework for end-to-end trainable sparse latent-memory attention that scales LLM context to 100M… | 50 | 3520 | active |
| BloodHound Community Edition BloodHound Community Edition is a free, open-source application that uses graph theory to reveal hidden relationships and attack paths in A… | 91 | 3487 | active |
| superagent-ai/grok-cli An open-source terminal-based coding agent that connects to xAI's Grok API, built with TypeScript and Bun. It offers an interactive OpenTUI… | 71 | 3484 | active |
| any4ai/AnyCrawl AnyCrawl is a Node.js/TypeScript web crawler and scraping service that converts websites into LLM-ready markdown/JSON data and extracts str… | 85 | 3477 | active |
| Mirix-AI/MIRIX MIRIX is a self-hosted multi-agent personal assistant that captures on-screen activity and conversation to build structured long-term memor… | 71 | 3456 | active |
| MTEB MTEB (Massive Text Embedding Benchmark) is a Python library and CLI for benchmarking embedding models across 1000+ tasks, languages, and mo… | 95 | 3455 | active |