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 |
|---|---|---|---|
| HAPI FHIR HAPI FHIR is a complete open-source Java implementation of the HL7 FHIR standard for healthcare data interoperability, providing APIs for b… | 99 | 2416 | stable |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| kevinho/clawfeed ClawFeed is an AI-powered news digest application that curates sources like Twitter, RSS, HackerNews, Reddit, and GitHub Trending into stru… | 59 | 2398 | active |
| talivia-group/talivia Talivia is an open-source, self-hosted revenue-first web analytics platform that combines traffic analytics, session replay, and payment re… | 67 | 2389 | active |
| Bionic Bionic is an open-source, self-hosted enterprise AI platform written in Rust that provides a ChatGPT-like workspace with agentic runtime, R… | 91 | 2383 | active |
| 0xMassi/webclaw webclaw is a Rust-based web extraction toolkit that turns any URL into clean, LLM-ready markdown, JSON, or token-optimized text, including … | 77 | 2379 | active |
| cytostack/openwolf OpenWolf is a Node.js CLI that maintains a single portable project memory (a .wolf/ directory) shared across coding agents like Claude Code… | 79 | 2378 | active |
| akvorado/akvorado Akvorado is a self-hosted network flow collector, enricher, and visualizer that ingests NetFlow/IPFIX and sFlow data, enriches it with SNMP… | 98 | 2370 | active |
| dromara/mayfly-go A self-hosted, browser-based unified management platform for Linux machines and a wide range of data stores (MySQL, PostgreSQL, Oracle, SQL… | 99 | 2362 | active |
| datopian/portaljs PortalJS is an open-source, AI-native framework for building data portals on plain Next.js + Tailwind, with Claude Code agentic skills that… | 92 | 2359 | active |
| lana-k/sqliteviz sqliteviz is a single-page offline-first PWA for fully client-side visualization of SQLite databases and CSV/JSON/NDJSON files. It lets use… | 95 | 2358 | active |
| web-infra-dev/rspress Rspress is a fast static site generator built on Rsbuild and the Rust-powered Rspack toolchain, designed for building documentation sites w… | 91 | 2338 | active |
| rsyslog Rsyslog is a high-performance open-source log ingestion and ETL engine written in C, originally a syslog daemon and now a modular pipeline … | 90 | 2336 | stable |
| saifyxpro/HeadlessX HeadlessX is a self-hosted browser automation and web scraping platform powered by Camoufox (a C++-patched Firefox) to bypass anti-bot syst… | 72 | 2321 | active |
| SteamTradingSiteTracker A Steam skin trading market tracker that continuously monitors sell-to-cash (挂刀) ratios across BUFF, IGXE, C5, UUYP, and ECO platforms for … | 32 | 2319 | active |
| LAION-AI/CLAP CLAP (Contrastive Language-Audio Pretraining) is a Python library from LAION that learns joint audio and text embeddings using contrastive … | 38 | 2312 | stable |
| logdyhq/logdy-core Logdy is a lightweight, single-binary realtime log viewer that pipes terminal output or log files into an embedded local web UI, acting lik… | 42 | 2309 | active |
| bpatrik/pigallery2 PiGallery2 is a fast, directory-first photo gallery website built with Node.js and Angular, designed to run on low-resource servers like th… | 78 | 2295 | active |
| Archon An MCP server that combines Crawl4AI web crawling with RAG capabilities backed by a Supabase vector database, exposing tools for AI agents … | 31 | 2266 | active |
| qhjqhj00/MemoRAG MemoRAG is a Python RAG framework that uses a super-long memory model to build a global understanding of an entire corpus (up to ~1M tokens… | 29 | 2266 | active |
| moorcheh-ai/memanto Memanto is a companion 'memory agent' that manages long-term semantic memory for AI agents — deciding what to keep, resolving contradiction… | 79 | 2261 | active |
| vasu-devs/JustHireMe JustHireMe is a local-first desktop workbench (Tauri frontend, Python backend) that scrapes job postings, ranks role fit against your profi… | 75 | 2256 | stable |
| pydio/cells Pydio Cells is a self-hosted, open-core document sharing, collaboration and management platform written in Go with a microservice architect… | 97 | 2253 | active |
| MinishLab/model2vec Model2Vec is a Python library that distills any sentence transformer into a tiny, fast static embedding model by computing one fixed vector… | 91 | 2251 | active |
| wabarc/wayback Wayback is an open-source web archiving tool written in Go that captures and preserves web pages via services like Internet Archive, archiv… | 83 | 2241 | active |
| postalsys/emailengine EmailEngine is a self-hosted, source-available (not open-source) headless email client that exposes IMAP, SMTP, Gmail API, and Microsoft Gr… | 92 | 2228 | active |
| dmzz-yyhyy/LightNovelReader LightNovelReader is an open-source Android light novel reader app built with Kotlin and Jetpack Compose, featuring a lightweight footprint … | 97 | 2223 | active |
| mhss1/MyBrain My Brain is an all-in-one Android productivity app combining tasks, markdown notes, calendar, diary with mood tracking, and bookmarks, plus… | 94 | 2220 | active |
| sequinstream/sequin Sequin is an open-source change data capture (CDC) platform for Postgres, deployed as a standalone Docker container that streams database c… | 57 | 2206 | active |
| OdyseeTeam/chainquery Chainquery is a Go daemon and API server that parses the LBRY blockchain into a structured MySQL database, syncing blocks, transactions, ad… | 78 | 2205 | active |
| MiniMax AI Platform The official CLI for the MiniMax AI Platform, written in TypeScript, that generates text, images, video, speech, and music from the termina… | 83 | 2202 | active |
| iamzhihuix/skills-manage A Tauri-based desktop application for managing AI coding agent skills across Claude Code, Cursor, Gemini CLI, Codex, and 20+ other platform… | 61 | 2199 | active |
| pretzelai/pretzelai Pretzel is an open-source fork of Jupyter Notebooks that adds AI code generation, inline tab completion, sidebar chat, and error fixing whi… | 16 | 2186 | active |
| Jar Analyzer A free, open-source GUI tool for analyzing Java JAR files, offering method call relationship search, DFS call chain analysis, taint analysi… | 90 | 2179 | active |
| POf-L/Fanqie-novel-Downloader A cross-platform desktop and mobile application built with Rust and Tauri v2 for searching, reading, and downloading novels from Fanqie Nov… | 81 | 2176 | active |
| OmGodse/Notally Notally is a lightweight, minimalist notes app for Android built with Kotlin and Material Design. It supports rich text notes, images, labe… | 70 | 2176 | active |
| nhibernate/nhibernate-core NHibernate is a mature, open source object-relational mapper (ORM) for the .NET framework, actively developed and fully featured. It maps r… | 93 | 2175 | stable |
| Eronred/aso-skills A collection of AI agent skills for App Store Optimization (ASO) and mobile app marketing, installable into Cursor, Claude Code, or any Age… | 60 | 2173 | active |
| obsidian-nvim/obsidian.nvim A community-maintained Neovim plugin for working with Obsidian markdown vaults directly inside the editor. It complements the Obsidian app … | 84 | 2172 | active |
| atomicstrata/llm-wiki-compiler llmwiki is a Node.js CLI knowledge compiler that turns raw sources (papers, docs, notes, PDFs, URLs) into an interlinked, citation-traceabl… | 81 | 2169 | active |
| pmxt-dev/pmxt PMXT is a unified API and SDK (Python and TypeScript) for prediction markets, modeled after CCXT, covering venues like Polymarket, Kalshi, … | 68 | 2166 | active |
| Nutlope/notesGPT NotesGPT is an open-source AI-powered voice note-taking web app that records voice notes, transcribes them with Whisper, and generates summ… | 65 | 2155 | active |
| bit4woo/domain_hunter_pro Domain Hunter Pro is a Burp Suite plugin (Java jar) for automated domain and subdomain collection, web title fetching, and target managemen… | 67 | 2151 | active |
| KUN Galgame Forum KUN Visual Novel Forum is a full-stack, self-hostable community forum for visual novel and Galgame enthusiasts, built as a pnpm monorepo wi… | 72 | 2147 | active |
| feldera/feldera Feldera is an incremental computation engine written in Rust that evaluates arbitrary SQL programs incrementally using DBSP theory, maintai… | 94 | 2131 | active |
| MemTensor/memmy-agent Memmy is a personal AI agent and local memory hub that gives every AI agent (Claude Code, Codex, Cursor, OpenClaw, etc.) a shared, locally … | 81 | 2129 | active |
| owncloud/ocis ownCloud Infinite Scale (oCIS) is a self-hosted file sync and share server platform written in Go, serving as the next-generation foundatio… | 95 | 2127 | active |
| zilliztech/GPTCache GPTCache is a Python library for building a semantic cache that stores and retrieves LLM responses based on embedding similarity, reducing … | 65 | 8209 | maintenance |
| indico/indico Indico is a feature-rich, web-based event management system developed at CERN for organizing lectures, meetings, workshops, and conferences… | 95 | 2118 | stable |
| kkbo8005/mitan Mitan (密探) is an all-in-one penetration testing and security assessment desktop application integrating asset mapping, subdomain brute-forc… | 92 | 2111 | active |
| zone-eu/wildduck WildDuck is a scalable, no-single-point-of-failure IMAP/POP3 email server built on Node.js that stores all mail in sharded and replicated M… | 98 | 2109 | active |
| iniwap/AIWriteX AIWriteX is a Python-based desktop application that automates WeChat Official Account content creation using CrewAI multi-agent workflows, … | 87 | 2106 | active |
| can4hou6joeng4/boss-agent-cli A Python CLI that lets humans and AI agents search and shortlist jobs on BOSS Zhipin (and other Chinese recruitment platforms) with welfare… | 82 | 2104 | active |
| isair/jarvis Jarvis is a fully local, offline AI voice assistant for your computer that supports natural conversational interaction, unlimited memory, w… | 86 | 2101 | active |
| hanc00l/nemo_go Nemo is an automated information-gathering platform for penetration testing that integrates common recon tools (Masscan, Nmap, Subfinder, H… | 82 | 2098 | active |
| phpbb/phpbb phpBB is a free, open-source bulletin board (forum) application written in PHP, used to host online discussion communities. This repository… | 75 | 2097 | stable |
| GoogleCloudPlatform/khi Kubernetes History Inspector (KHI) is a log visualization tool that turns Kubernetes cluster logs into interactive timeline and topology vi… | 87 | 2085 | active |
| apache/polaris Apache Polaris is an open-source, fully-featured catalog for Apache Iceberg tables that implements the Iceberg REST catalog API. It provide… | 86 | 2082 | active |
| mosheng1/QuickClipboard QuickClipboard is a cross-platform clipboard enhancement tool (currently Windows and Android) built with Tauri 2, Rust, and React. It autom… | 80 | 2057 | active |
| Nutlope/llamatutor LlamaTutor is an open-source AI personal tutor web application powered by Meta's Llama 3.1 70B model via Together AI inference. It is built… | 62 | 2051 | active |
| LumePart/Explo Explo is a self-hosted web application that brings Spotify's Discover Weekly-style music discovery to self-hosted music servers like Navidr… | 90 | 2042 | active |
| xaoxuu/hexo-theme-stellar Stellar is a Hexo theme that combines a blog, wiki documentation system, columns, and notebooks into one integrated personal knowledge base… | 98 | 2039 | active |
| Kochava-Studios/witsy Witsy is a cross-platform desktop AI assistant built with Electron and Vue 3 that lets users chat with many LLM providers using their own A… | 63 | 2038 | active |
| 1hakr/AnExplorer AnExplorer is an open-source, all-in-one file manager for Android that runs on phones, tablets, Android TV, Wear OS, Chromebooks, and other… | 67 | 2035 | active |
| SimonSchubert/LinuxCommandLibrary A cross-platform offline reference app providing 8,966 formatted Linux man pages, 30+ categorized command basics, and terminal tips. It shi… | 93 | 2026 | active |
| vinceanalytics/vince Vince is a self-hosted, privacy-friendly web analytics server written in Go, serving as an alternative to Google Analytics and a drop-in re… | 46 | 2014 | active |
| doobidoo/mcp-memory-service A self-hosted persistent memory service for AI agents and Claude, exposing storage and semantic retrieval via REST API, MCP, OAuth, CLI, an… | 84 | 2007 | active |
| Trestle Trestle is a modern, responsive admin framework for Ruby on Rails that lets developers build back-office admin interfaces via a Ruby DSL. I… | 39 | 1992 | active |
| DTV DTV is a lightweight cross-platform desktop client for watching livestreams from Douyin, Bilibili, Douyu, and Huya, built with Tauri 2.0. I… | 76 | 1986 | active |
| vrcx-team/VRCX VRCX is a desktop companion application for VRChat that helps users manage friends, worlds, avatars, and groups outside the game client. It… | 97 | 1985 | active |
| pymedusa/Medusa Medusa is a self-hosted, open-source PVR application that automatically manages TV show libraries. It monitors configured shows, searches U… | 85 | 1984 | active |
| monoscope-tech/monoscope Monoscope is an open-source observability platform for ingesting and exploring logs, traces, and metrics stored in your own S3-compatible b… | 100 | 1975 | active |
| HoshinoSuzumi/chronoframe ChronoFrame is a self-hosted personal photo gallery application for photographers, built with Nuxt 4 and TypeScript. It supports online pho… | 67 | 1942 | active |
| NVIDIA-AI-Blueprints/video-search-and-summarization NVIDIA's GPU-accelerated AI Blueprint reference architecture for building video analytics agents that search, summarize, and reason over li… | 86 | 1938 | active |
| asc-lab/dotnetcore-microservices-poc A proof-of-concept insurance sales system built with .NET 8 using a microservices architecture, demonstrating CQRS with MediatR, service di… | 75 | 1938 | active |
| Shpigford/chops Chops is a free, open-source macOS app for discovering, browsing, editing, and organizing AI coding agent skills and agents across tools li… | 76 | 1926 | active |
| BroadleafCommerce/BroadleafCommerce Broadleaf Commerce Community Edition is an open-source e-commerce framework written in Java on top of the Spring framework, providing a rob… | 67 | 1926 | active |
| FJ-OMS/oms-erp An open-source omni-channel business middleware (zhongtai) system for new retail, combining an order management system (OMS/e-commerce ERP)… | 45 | 1923 | active |
| Thecosy/IceCMS IceCMS is an open-source, self-hosted content management system built with a decoupled Spring Boot backend and Vue/Nuxt3 frontends, plus a … | 48 | 1922 | active |
| UniClipboard/UniClipboard UniClipboard is a privacy-first, cross-device clipboard synchronization application built with Rust and Tauri that syncs text, images, file… | 88 | 1918 | active |
| Quran.com The official open-source frontend for Quran.com, built with Next.js and TypeScript, providing a web application for reading, listening to, … | 66 | 1913 | active |
| n00bcodr/Jellyfin-Enhanced A comprehensive Jellyfin plugin that enhances the Jellyfin web UI with keyboard shortcuts, subtitle styling, TMDB and user reviews, Seerr i… | 82 | 1911 | active |
| visual-layer/fastdup fastdup is a free Python tool for rapidly analyzing image and video datasets to surface duplicates, outliers, broken, dark, bright, blurry,… | 64 | 1911 | active |
| neocities/neocities The open-source backend for Neocities.org, a free static web hosting service and social network for personal websites. It provides the full… | 75 | 1909 | active |
| ashvardanian/NumKong NumKong is a mixed-precision numeric and linear-algebra library with ~2,000 SIMD-accelerated kernels for dot products, distances, matrix mu… | 93 | 1899 | active |
| LBRY LBRY SDK is a Python implementation of the LBRY decentralized peer-to-peer protocol for publishing, discovering, and monetizing digital con… | 23 | 7176 | maintenance |
| bhaskatripathi/pdfGPT pdfGPT is an open-source Python application that lets users chat with the contents of PDF files using GPT capabilities. It implements a sim… | 59 | 7162 | maintenance |
| srixivas/PcapXray PcapXray is a Python-based network forensics tool that visualizes PCAP files or live traffic as an annotated network diagram. It identifies… | 78 | 1884 | active |
| kingwrcy/moments Moments is a minimalist self-hosted social sharing application (a 'WeChat Moments' style microblog) written in Go with a SQLite backend. It… | 62 | 1884 | active |
| abc123info/BlueTeamTools BlueTeamTools is a Java-based GUI toolbox that aggregates utilities for blue-team security analysts, covering memory-shell decompilation, w… | 85 | 1882 | active |
| scholarly-python-package/scholarly scholarly is a Python library for retrieving author and publication metadata from Google Scholar through a friendly, Pythonic API. It handl… | 52 | 1880 | active |
| chatgpt-web-dev/chatgpt-web A self-hosted third-party ChatGPT web UI built with Express (Node.js backend) and Vue3 (frontend), calling the official OpenAI completion A… | 70 | 1873 | active |
| zhu1090093659/deepseek-pp DeepSeek++ is an open-source browser extension for Chrome, Edge, and Firefox that turns the DeepSeek web app into an AI agent workspace. It… | 10 | 1870 | active |
| open-mercato/open-mercato Open Mercato is an open-source TypeScript foundation framework for building CRM, ERP, and commerce applications on Next.js, with multi-tena… | 85 | 1869 | active |
| neo4j-contrib/neo4j-apoc-procedures APOC (Awesome Procedures On Cypher) is a library of hundreds of procedures and functions that extend Neo4j's Cypher query language. It is p… | 89 | 1868 | active |
| ever-co/ever-demand Ever Demand is an open-source, real-time on-demand commerce platform for building single-store shops, multi-vendor marketplaces, and on-dem… | 66 | 1867 | active |
| Intelephense Intelephense is a high-performance PHP language server implementing the Language Server Protocol, distributed primarily as a Visual Studio … | 85 | 1860 | active |
| u14app/neo-chat Neo Chat is a self-hostable, local-first AI chat workspace built with Next.js, React, and TypeScript. It combines multi-provider chat, agen… | 91 | 1859 | active |
| mrmn2/PdfDing PdfDing is a self-hosted PDF manager, viewer, and editor with a browser-based interface that syncs reading progress across devices. It supp… | 10 | 1852 | active |
| MapleTechLabs/maple Maple is an open-source observability platform for traces, logs, and metrics built on OpenTelemetry and ClickHouse, with dashboards, servic… | 83 | 1851 | active |