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 |
|---|---|---|---|
| Koel Koel is a free, open-source, self-hosted music streaming server built on Laravel and Vue that turns a personal music collection into a mode… | 95 | 17279 | active |
| Wazuh Wazuh is a free, open source security platform that unifies XDR and SIEM capabilities for threat prevention, detection, and response across… | 98 | 17197 | stable |
| algerkong/AlgerMusicPlayer Alger Music Player is a third-party music player built with Vue that runs a local music service and offers desktop lyrics, music downloadin… | 82 | 16922 | active |
| MCP Toolbox for Databases MCP Toolbox for Databases is an open source Model Context Protocol (MCP) server, written in Go, that connects AI agents, IDEs, and applicat… | 92 | 16669 | active |
| MODSetter/SurfSense SurfSense is an open-source, self-hostable NotebookLM alternative that combines a personal knowledge base with live open-web research conne… | 91 | 16505 | active |
| Grav CMS Grav is a fast, flat-file content management system built on PHP, Markdown, Twig, and Symfony components that requires no database. Version… | 95 | 15689 | stable |
| AgriciDaniel/claude-obsidian A Claude Code plugin/skill system that turns an Obsidian vault into a self-organizing AI second brain. It captures sources, creates linked … | 81 | 15587 | active |
| theonedev/onedev OneDev is a self-hosted, unified DevOps platform combining Git server, issue tracking with Kanban boards, pull request review, CI/CD pipeli… | 95 | 15314 | active |
| NodeBB NodeBB is open-source forum software built on Node.js that supports Redis, MongoDB, or PostgreSQL backends and uses web sockets for real-ti… | 95 | 15239 | stable |
| midday-ai/midday Midday is an open-source, all-in-one business management application for freelancers, contractors, and solo entrepreneurs, offering invoici… | 74 | 15087 | active |
| Stalwart Mail & Collaboration Server Stalwart is an open-source, all-in-one mail and collaboration server written in Rust, supporting JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV a… | 96 | 14870 | active |
| amir20/dozzle Dozzle is a lightweight, web-based application for viewing Docker container logs in real time, with support for Docker Swarm and Kubernetes… | 95 | 14666 | active |
| Lemmy Lemmy is a self-hosted, federated link aggregator and discussion forum for the fediverse, similar to Reddit or Hacker News, built in Rust w… | 91 | 14634 | active |
| Usagi-org/ai-goofish-monitor A self-hosted Python application that monitors Xianyu (Goofish, China's second-hand marketplace) listings in real time or on cron schedules… | 66 | 14612 | active |
| Gel Gel is an open-source graph-relational database built on top of Postgres, combining a strict object-type schema, the EdgeQL query language,… | 55 | 14176 | active |
| andrewyng/context-hub Context Hub (chub) is an npm-distributed CLI that gives coding agents curated, versioned, language-specific API documentation stored as mar… | 54 | 13976 | active |
| adityatelange/hugo-PaperMod PaperMod is a fast, clean, and responsive theme for the Hugo static site generator, built for blogs and portfolio sites. It ships with ligh… | 62 | 13973 | stable |
| shuding/nextra Nextra is a static site generation framework built on Next.js and MDX, letting you write content in Markdown/MDX files with file-based rout… | 73 | 13928 | active |
| pystardust/ani-cli ani-cli is a POSIX shell script CLI tool for browsing and watching anime from the terminal, scraping the anidb site and playing videos via … | 96 | 13851 | active |
| semantica-agi/semantica Semantica is a Python library providing graph-native infrastructure for building context graphs, knowledge graphs, and decision intelligenc… | 84 | 13821 | active |
| emdash-cms/emdash EmDash is a full-stack, type-safe CMS built on Astro and TypeScript, positioned as a modern successor to WordPress. It runs on Cloudflare W… | 79 | 13752 | active |
| mealie-recipes/mealie Mealie is a self-hosted recipe manager and meal planner with a FastAPI REST backend and a Vue frontend. It imports recipes from URLs via a … | 95 | 13649 | active |
| EverMind-AI/EverOS EverOS is a Python library and local-first memory runtime that gives AI agents a portable, user-owned memory layer across apps, tools, and … | 83 | 13408 | active |
| codexu/note-gen NoteGen is an open-source, cross-platform, local-first Markdown note-taking app built with Tauri and Next.js that separates quick capture (… | 87 | 12896 | active |
| hangwin/mcp-chrome A Chrome extension that acts as a Model Context Protocol (MCP) server, exposing your real Chrome browser—its tabs, login states, and config… | 50 | 12496 | active |
| Magento Open Source Magento Open Source is a full-featured PHP-based eCommerce platform maintained by Adobe for building online stores. It provides catalog man… | 100 | 12208 | active |
| jina-ai/reader Jina AI Reader converts any URL into LLM-friendly markdown via the r.jina.ai prefix, and searches the web into markdown via s.jina.ai. It r… | 59 | 12158 | active |
| kubeshark/kubeshark Kubeshark is an eBPF-powered network observability tool for Kubernetes that indexes cluster-wide L4/L7 traffic with full Kubernetes context… | 99 | 12101 | active |
| microsoft/garnet Garnet is a high-performance remote cache-store from Microsoft Research written in C#/.NET, speaking the RESP wire protocol so unmodified R… | 92 | 12053 | active |
| MemTensor/MemOS MemOS is a memory operating system for LLMs and AI agents that unifies storing, retrieving, and managing long-term, multi-modal memory thro… | 85 | 12014 | active |
| H2O h2oGPT is an Apache-2.0 open-source application for chatting with local, private LLMs and querying/summarizing your own documents (PDFs, Wo… | 10 | 11942 | active |
| MoviePilot MoviePilot is a self-hosted NAS media library automation tool that handles subscribing, searching, downloading, organizing, scraping, and r… | 93 | 11897 | active |
| notionnext-org/NotionNext NotionNext is an open-source website builder that turns a Notion workspace into a fast, customizable standalone site using Next.js and the … | 94 | 11848 | active |
| CocoIndex CocoIndex is an open-source incremental data framework for AI, with a Rust engine and a declarative Python API that keeps sources (files, S… | 84 | 11711 | active |
| BigBodyCobain/Shadowbroker ShadowBroker is a self-hosted OSINT platform that aggregates 60+ real-time public intelligence feeds—aircraft, ships, satellites, CCTV, GPS… | 79 | 11325 | active |
| FiftyOne FiftyOne is an open-source Python library and GUI app for building high-quality computer vision datasets and models. It enables visualizing… | 98 | 11184 | active |
| simplifaisoul/osiris OSIRIS is an open-source, real-time global intelligence (OSINT) dashboard that aggregates live flight tracking, maritime, CCTV, seismic, fi… | 70 | 11174 | active |
| unopim/unopim UnoPim is an open-source Product Information Management (PIM) and Digital Asset Management (DAM) platform built on Laravel, designed to cen… | 89 | 11017 | active |
| Frappe Framework Frappe Framework is a batteries-included, low-code full-stack web application framework written in Python and JavaScript, built around meta… | 95 | 10937 | stable |
| Thysrael/Horizon Horizon is an AI-powered news aggregation platform that fetches content from sources like Hacker News, GitHub, RSS, Reddit, and Telegram, s… | 61 | 10909 | active |
| git-bug/git-bug git-bug is a distributed, offline-first bug and issue tracker that embeds issues, comments, and identities as objects inside a git reposito… | 98 | 10765 | active |
| BBOT BBOT is a recursive, multipurpose internet scanner built in Python for automating OSINT reconnaissance, bug bounty hunting, and attack surf… | 97 | 10709 | active |
| nexmoe/VidBee VidBee is a free, open-source Electron desktop app for downloading video and audio from 1000+ sites (via yt-dlp) and importing local media.… | 80 | 10689 | active |
| trailhq/Graft Graft is an open-source context layer for large codebases that builds a deterministic code graph using tree-sitter AST parsing and exposes … | 59 | 10536 | active |
| harelba/q q is a Python command-line tool that lets you run SQL queries directly on delimited text files (CSV/TSV) and multi-file sqlite3 databases, … | 49 | 10365 | active |
| Piped Piped is an open-source, privacy-friendly alternative frontend for YouTube that blocks ads and tracking while providing a lightweight viewi… | 75 | 10266 | active |
| nopCommerce nopCommerce is a free, open-source eCommerce platform and shopping cart built on ASP.NET Core with support for MS SQL Server, PostgreSQL, a… | 96 | 10155 | stable |
| rubickCenter/rubick Rubick is an open-source, Electron-based desktop efficiency toolbox that launches apps, files, and plugins via a keyword search bar (Alt/Op… | 60 | 10029 | active |
| hyperdxio/hyperdx HyperDX is an open-source observability platform that unifies session replays, logs, metrics, traces, and errors in a single interface, bui… | 92 | 9963 | active |
| mini.nvim mini.nvim is a library of 45+ independent Lua modules for Neovim (0.10+) covering common editing tasks like textobjects, commenting, comple… | 81 | 9542 | active |
| GitBucket GitBucket is a self-hosted Git web platform written in Scala that provides repositories, issues, pull requests, wikis, and GitHub API compa… | 94 | 9403 | active |
| eze-is/web-access An Agent Skill that gives AI coding agents (Claude Code, Cursor, Gemini CLI, etc.) full web access capabilities: three-tier channel dispatc… | 63 | 9124 | active |
| sinelaw/fresh Fresh is a terminal-based text editor and IDE written in Rust that offers VS Code-like UX (familiar keybindings, mouse support, command pal… | 83 | 9108 | active |
| reconurge/flowsint Flowsint is an open-source, self-hosted OSINT platform for visual, graph-based investigations, providing entity relationship visualization … | 84 | 8937 | active |
| gtsteffaniak/filebrowser FileBrowser Quantum is a self-hosted web-based file manager written in Go, forked from the filebrowser project with advanced features like … | 93 | 8858 | active |
| TeamWiseFlow/xiaobei Xiaobei is an open-source multi-agent system that automates social media marketing and customer acquisition for solo entrepreneurs and smal… | 89 | 8574 | active |
| reorproject/reor Reor is a local-first, AI-powered desktop note-taking app that automatically links related notes, answers questions over your notes via RAG… | 10 | 8549 | active |
| vendurehq/vendure Vendure is an open-source, plugin-first headless commerce platform built with TypeScript, NestJS, GraphQL, and a React admin dashboard. It … | 100 | 8529 | active |
| openclaw/gogcli gog is a single Go binary CLI that provides terminal access to Google Workspace services including Gmail, Calendar, Drive, Docs, Sheets, Sl… | 80 | 8512 | active |
| idosal/git-mcp GitMCP is a free, open-source remote Model Context Protocol (MCP) server that turns any public GitHub repository or GitHub Pages site into … | 53 | 8465 | active |
| xwmx/nb nb is a command-line and local web note-taking, bookmarking, archiving, and knowledge base application implemented as a single portable she… | 92 | 8420 | stable |
| ComicSparks/pikapika Pikapika is a cross-platform comic/manga reader client built with Flutter, supporting Picacomic (bika), E-Hentai and similar sources. It of… | 88 | 8347 | active |
| Orchard CMS Orchard Core is an open-source, modular, multi-tenant application framework built on ASP.NET Core, plus a full-featured content management … | 94 | 8203 | stable |
| ntop/ntopng ntopng is a web-based network traffic monitoring and cybersecurity application that provides real-time visibility into hosts, applications,… | 86 | 8202 | stable |
| folke/snacks.nvim A collection of quality-of-life plugins for Neovim, written in Lua, bundling features like a fuzzy picker, file explorer, dashboard, notifi… | 68 | 8143 | active |
| OSRM OSRM is a high-performance C++ routing engine built on OpenStreetMap data, exposing services via HTTP API, C++ library, and Node.js wrapper… | 95 | 8105 | active |
| logancyang/obsidian-copilot Copilot for Obsidian is an Obsidian community plugin that adds AI chat and agent capabilities to your note vault, integrating opencode, Cla… | 94 | 7864 | active |
| rikkahub/rikkahub RikkaHub is a native Android LLM chat client built with Kotlin and Jetpack Compose that supports switching between multiple AI providers su… | 81 | 7859 | active |
| mindoc-org/mindoc MinDoc is a self-hosted document management system for IT teams, built in Go on the beego framework, used to store and share API docs, data… | 67 | 7829 | active |
| NomaDamas/k-skill A collection of ~80 LLM agent skills tailored for Korean users, installable into coding agents like Claude Code, Codex, and OpenCode. Skill… | 61 | 7672 | active |
| lingfengQAQ/webnovel-writer A Claude Code plugin for long-form serialized webnovel writing, built in Python. It provides slash-command skills for initializing story se… | 84 | 7566 | active |
| microsoft/graphrag GraphRAG is a Python library and CLI pipeline from Microsoft Research that extracts a knowledge graph from unstructured text, builds commun… | 93 | 36408 | maintenance |
| glushchenko/fsnotes FSNotes is a fast, native open-source note-taking app for macOS and iOS built around plain Markdown and plaintext files stored in user-cont… | 98 | 7529 | active |
| oldratlee/useful-scripts A collection of handy shell and Java utility scripts that automate common developer tasks, such as finding CPU-hungry Java threads and dupl… | 59 | 7520 | active |
| ChatLab/ChatLab ChatLab is an open-source, local-first desktop application (with an optional CLI) for analyzing chat histories from platforms like WhatsApp… | 78 | 7503 | active |
| repowise-dev/repowise Repowise is a Python-based codebase intelligence tool that indexes code structure, call graphs, git history, tests, and architectural decis… | 78 | 7464 | active |
| MuiseDestiny/zotero-gpt A Zotero plugin that integrates OpenAI GPT models into the Zotero reference manager, letting users ask questions about PDFs, summarize pape… | 73 | 7420 | active |
| gaozhangmin/boxplayer BoxPlayer is a cross-platform desktop application that unifies multiple cloud drives (Aliyun Drive, Baidu, 115, Quark, OneDrive, etc.), loc… | 99 | 7276 | active |
| xerrors/Yuxi Yuxi is a self-hosted, multi-tenant knowledge agent platform that unifies RAG, knowledge graph construction (Milvus + Neo4j), LangGraph mul… | 84 | 7256 | active |
| simeji/jid jid is an interactive command-line tool for incrementally drilling down into JSON data using jq-like and JMESPath filter queries. It provid… | 90 | 7187 | active |
| opensquilla/opensquilla OpenSquilla is a token-efficient, microkernel AI agent that routes each conversation turn to the cheapest capable LLM via a local model rou… | 80 | 7069 | active |
| SuanmoSuanyangTechnology/MemoryBear MemoryBear is an AI memory management system that gives LLM agents and chatbots human-like long-term memory across a full lifecycle of perc… | 83 | 7009 | active |
| postgresml/postgresml PostgresML is a PostgreSQL extension that brings machine learning and AI inference directly into the database, with GPU acceleration and pg… | 32 | 6823 | active |
| Flarum Flarum is open-source forum software for building online discussion communities, built in PHP on Laravel with a Mithril-powered frontend. I… | 95 | 6758 | stable |
| GreptimeDB GreptimeDB is an open-source (Apache-2.0) observability database written in Rust that stores metrics, logs, and traces in a single columnar… | 98 | 6740 | active |
| Hazelcast Hazelcast is a unified real-time data platform combining distributed stream processing with a fast, in-memory data store. It lets applicati… | 80 | 6622 | stable |
| hibernate/hibernate-orm Hibernate ORM is the de facto object-relational mapping library for Java, implementing the Jakarta Persistence (JPA) specification to map d… | 95 | 6473 | stable |
| langchain-ai/chat-langchain Chat LangChain is a production-ready documentation assistant agent that answers questions about LangChain, LangGraph, and LangSmith, built … | 77 | 6470 | active |
| TeamAmaze/AmazeFileManager Amaze File Manager is an open-source, Material Design file manager app for Android. It supports file operations, multi-tab browsing, root e… | 94 | 6410 | active |
| filipedeschamps/tabnews.com.br TabNews is the open-source codebase of a Brazilian community website for programming and technology discussions, where users publish posts … | 76 | 6381 | active |
| Iconify Iconify is a universal icon framework unifying 200+ open source icon sets (300k+ icons) behind one syntax, with a web component, framework … | 77 | 6366 | active |
| nickscamara/open-deep-research An open-source clone of OpenAI's Deep Research, built as a Next.js web application. It uses Firecrawl's search and extract APIs to gather l… | 17 | 6291 | active |
| nlweb-ai/NLWeb NLWeb is an open protocol and Python reference implementation for adding natural language conversational interfaces to websites, leveraging… | 60 | 6254 | active |
| shy3130/tick-stock-panel A self-hosted, zero-ops quantitative workbench for China A-share stock screening, monitoring, and backtesting, built with Python (FastAPI, … | 82 | 6191 | active |
| Azure/Azure-Sentinel The official community repository for Microsoft Sentinel, a cloud-native SIEM, containing out-of-the-box detections, hunting queries, workb… | 77 | 6189 | active |
| silverbulletmd/silverbullet SilverBullet is a self-hosted, browser-based personal knowledge management app that stores notes as Markdown pages with wiki-style bidirect… | 97 | 6163 | active |
| Mall4j Mall4cloud is an open-source (AGPLv3) microservices-based B2B2C e-commerce mall system built on Spring Boot 4, Spring Cloud, Nacos, Seata, … | 78 | 6157 | active |
| YILING0013/AI_NovelGenerator A Python GUI application that uses large language models to generate multi-chapter long-form novels with automatic context continuity, fore… | 62 | 6156 | active |
| wenda-LLM/wenda Wenda is a self-hosted LLM invocation platform designed for efficient content generation in constrained environments, integrating local/off… | 31 | 6148 | active |
| xhongc/music-tag-web A self-hosted web application for editing and scraping metadata of local music files, deployable via Docker on NAS and homelab servers. It … | 74 | 6097 | active |