function: search-engine
2952 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Firecrawl Firecrawl is an open-source web scraping and crawling API that turns websites into clean Markdown, structured JSON, screenshots, and other … | 88 | 172809 | active |
| Graphify-Labs/graphify Graphify is an open-source (Apache 2.0) Python CLI and /graphify skill that turns a codebase—including docs, SQL schemas, configs, and PDFs… | 77 | 111080 | active |
| sherlock-project/sherlock Sherlock is a Python CLI tool that hunts down social media accounts by username across 400+ social networks. It is widely used for OSINT re… | 70 | 90369 | active |
| mall mall is a full-featured open-source e-commerce system built with Spring Boot and MyBatis, including a customer-facing storefront and an adm… | 60 | 84634 | active |
| koala73/worldmonitor World Monitor is an open-source, real-time global intelligence dashboard that aggregates news, markets, military, maritime, aviation, infra… | 73 | 84360 | active |
| fzf fzf is a general-purpose command-line fuzzy finder and interactive terminal toolkit distributed as a single Go binary. It lets users intera… | 99 | 82667 | stable |
| elastic/elasticsearch Elasticsearch is a free and open source, distributed, RESTful search and analytics engine built on Apache Lucene. It stores structured, uns… | 95 | 77863 | stable |
| Panniantong/Agent-Reach Agent Reach is a Python CLI and MCP tool that gives AI agents the ability to read and search across platforms like Twitter, Reddit, YouTube… | 78 | 75643 | active |
| apache/superset Apache Superset is an open-source, enterprise-ready business intelligence web application for data exploration and visualization. It connec… | 98 | 74471 | stable |
| X Recommendation Algorithm The open-source source code for X's (formerly Twitter) recommendation algorithm, a set of services and jobs that serve personalized feeds o… | 48 | 73868 | active |
| colbymchenry/codegraph CodeGraph is a local-first tool that indexes any codebase into a queryable knowledge graph using Tree-sitter parsing, exposing it to AI cod… | 82 | 68252 | active |
| BurntSushi/ripgrep ripgrep is a fast, line-oriented command-line search tool that recursively searches directories for regex patterns. It respects gitignore r… | 85 | 67619 | stable |
| NanmiCoder/MediaCrawler MediaCrawler is a Python-based multi-platform social media crawler that scrapes notes, videos, posts, and comments from Xiaohongshu, Douyin… | 73 | 63826 | active |
| usememos/memos Memos is an open-source, self-hosted note-taking application built for quick capture, with a timeline-first interface and Markdown-native n… | 94 | 62560 | active |
| mvanhorn/last30days-skill An AI agent skill/plugin that researches any topic across Reddit, X, YouTube, Hacker News, Polymarket, TikTok, and the web in parallel, sco… | 82 | 59340 | active |
| meilisearch/meilisearch Meilisearch is a fast, open-source search engine that provides typo-tolerant full-text search, semantic and hybrid AI-powered search, and v… | 94 | 59101 | stable |
| MemPalace/mempalace MemPalace is a local-first AI memory system that stores conversation history and project files as verbatim text and retrieves them via sema… | 81 | 58666 | active |
| laurent22/joplin Joplin is an open-source, privacy-focused note-taking and to-do application that stores notes in Markdown and supports notebooks, tags, and… | 99 | 56115 | stable |
| justjavac/wechat-miniapp-radar An AI-driven tech radar for the WeChat Mini Program ecosystem that turns curated resource lists into filterable, comparable, risk-assessed … | 75 | 51188 | active |
| ClickHouse ClickHouse is an open-source, column-oriented database management system designed for real-time analytical queries over large datasets. It … | 95 | 49470 | stable |
| metabase/metabase Metabase is an open-source business intelligence and analytics platform for querying databases, building dashboards, and embedding analytic… | 95 | 48947 | stable |
| Discourse Discourse is a 100% open-source community discussion platform (forum software) built with Ruby on Rails and Ember.js, featuring built-in re… | 86 | 47735 | stable |
| 9001/copyparty A portable, single-file Python file server that turns almost any device into a NAS-like file sharing server with accelerated resumable uplo… | 95 | 46408 | active |
| Milvus Milvus is a high-performance, cloud-native vector database written in Go and C++ for scalable approximate nearest neighbor search over embe… | 94 | 45808 | stable |
| abhigyanpatwari/GitNexus GitNexus is a client-side code intelligence tool that indexes a codebase into a knowledge graph of dependencies, call chains, and execution… | 82 | 45805 | active |
| sickn33/agentic-awesome-skills AAS Core is a local, agent-first control plane that gives coding agents like Codex, Claude Code, and Gemini CLI read-only access to a catal… | 78 | 45481 | active |
| paperless-ngx/paperless-ngx Paperless-ngx is a self-hosted document management system that converts scanned physical documents into a searchable online archive. It use… | 95 | 44624 | active |
| sharkdp/fd fd is a fast, user-friendly command-line tool for finding files and directories in the filesystem, written in Rust. It serves as a simpler … | 95 | 44214 | stable |
| chubin/cheat.sh A unified cheat sheet service providing instant access to community-driven cheat sheets for 56 programming languages, DBMSes, and 1000+ UNI… | 58 | 41690 | stable |
| facebookresearch/faiss Faiss is a C++ library (with Python wrappers) for efficient similarity search and clustering of dense vectors, supporting indexes that scal… | 94 | 40809 | stable |
| DeusData/codebase-memory-mcp A Model Context Protocol (MCP) server that indexes codebases into a persistent knowledge graph of functions, classes, call chains, and HTTP… | 81 | 40771 | active |
| remoteintech/remote-jobs The source code for remoteintech.company, a community-maintained directory of 880+ remote-friendly tech companies built with Eleventy. Comp… | 76 | 40757 | active |
| DuckDB DuckDB is an in-process analytical SQL database management system (OLAP) written in C++, designed to be fast, portable, and easy to embed. … | 97 | 40675 | stable |
| TiDB TiDB is an open-source, cloud-native distributed SQL database written in Go, MySQL-compatible and designed for horizontal scalability, stro… | 99 | 40473 | stable |
| Outline Outline is an open-source team knowledge base and wiki with a fast, realtime collaborative rich-text editor, markdown support, powerful sea… | 97 | 40342 | stable |
| photoprism/photoprism PhotoPrism is an AI-powered, privacy-first web application for browsing, organizing, and sharing personal photo and video collections. It a… | 94 | 40114 | active |
| halo-dev/halo Halo is a powerful and easy-to-use open-source website building tool (CMS) written in Java, supporting blogs, knowledge bases, corporate si… | 95 | 39617 | active |
| freeCodeCamp/devdocs DevDocs is an API documentation browser that combines multiple developer documentations into a single clean web UI with instant search, off… | 77 | 39378 | active |
| HKUDS/LightRAG LightRAG is a Python framework for retrieval-augmented generation that integrates graph structures into text indexing and retrieval, using … | 85 | 39204 | active |
| RSSNext/Folo Folo is an open-source AI-powered RSS reader that aggregates and summarizes content feeds across desktop and mobile platforms. It integrate… | 86 | 38862 | active |
| spacedriveapp/spacedrive Spacedrive is an open-source cross-platform file explorer powered by a virtual distributed filesystem written in Rust. It indexes files acr… | 65 | 38859 | active |
| lfnovo/open-notebook Open Notebook is an open-source, privacy-focused alternative to Google's Notebook LM that lets users organize multi-modal sources (PDFs, vi… | 86 | 37711 | active |
| Trilium Notes Trilium Notes is a free, open-source, cross-platform hierarchical note-taking application focused on building large personal knowledge base… | 99 | 37602 | active |
| ItzCrazyKns/Vane Vane is a self-hosted, privacy-focused AI answering engine that combines web search (via SearxNG) with LLMs to deliver cited answers. It su… | 74 | 36489 | active |
| Crosstalk-Solutions/project-nomad Project NOMAD is a self-hosted, offline-first knowledge and education server that packages Wikipedia, books, courses, offline maps, and opt… | 84 | 36327 | active |
| searxng/searxng SearXNG is a free, open-source internet metasearch engine that aggregates results from many search services and databases (Google, Bing, Du… | 77 | 36135 | active |
| VectifyAI/PageIndex PageIndex is a Python SDK and framework for vectorless, reasoning-based RAG that replaces vector similarity search with a hierarchical tree… | 87 | 35333 | active |
| Qdrant Qdrant is an open-source, production-ready vector database and similarity search engine written in Rust, supporting dense, sparse, and mult… | 98 | 34210 | stable |
| TabbyML/tabby Tabby is a self-hosted, open-source AI coding assistant that serves as an on-premises alternative to GitHub Copilot. It provides LLM-powere… | 82 | 33838 | active |
| surrealdb/surrealdb SurrealDB is a multi-model database written in Rust that combines document, graph, vector, and relational data models in a single ACID engi… | 94 | 32944 | stable |
| cockroachdb/cockroach CockroachDB is a cloud-native distributed SQL database built on a transactional, strongly-consistent key-value store, written in Go. It sca… | 77 | 32415 | stable |
| xai-org/x-algorithm The open-source algorithm that powers X's For You feed, combining in-network and ML-retrieved out-of-network posts, filtering them, and ran… | 60 | 32322 | active |
| onyx-dot-app/onyx Onyx is an open-source, self-hostable AI chat platform that connects LLMs to company documents, apps, and people via RAG, 50+ data connecto… | 92 | 31777 | active |
| atuinsh/atuin Atuin is a Rust CLI tool that replaces shell history with a SQLite database, recording rich context like exit code, duration, cwd, and host… | 99 | 31427 | active |
| getzep/graphiti Graphiti is an open-source Python framework for building and querying temporal knowledge graphs (Context Graphs) for AI agents. It incremen… | 84 | 30324 | active |
| tobi/qmd QMD is a local, on-device CLI search engine that indexes markdown notes, docs, meeting transcripts, and knowledge bases. It combines BM25 f… | 82 | 29259 | active |
| chroma-core/chroma Chroma is an open-source search and retrieval database for AI applications, supporting dense vector, sparse (BM25/SPLADE), full-text, regex… | 89 | 29152 | active |
| garrytan/gbrain GBrain is a self-hosted 'brain layer' for AI agents that combines a knowledge graph, vector search, and a synthesis engine to return cited … | 77 | 29146 | active |
| requarks/wiki Wiki.js is a modern, open-source wiki application built on Node.js with a Vue.js frontend. It supports multiple databases, Git-based storag… | 89 | 28803 | active |
| grafana/loki Grafana Loki is a horizontally scalable, multi-tenant log aggregation system inspired by Prometheus that indexes only log stream labels rat… | 95 | 28790 | stable |
| getredash/redash Redash is an open-source, browser-based business intelligence platform for querying, visualizing, and sharing data from 35+ SQL and NoSQL d… | 78 | 28767 | active |
| karakeep-app/karakeep Karakeep (formerly Hoarder) is a self-hostable 'bookmark everything' app for saving links, notes, images, and PDFs with AI-based automatic … | 92 | 28617 | active |
| cloudreve/cloudreve Cloudreve is a self-hosted file management and sharing system (personal cloud drive) written in Go. It supports multiple storage backends i… | 97 | 28610 | active |
| mongodb/mongo MongoDB is a widely used open-source NoSQL document database written in C++, including the mongod server and mongos sharding router. It sto… | 77 | 28508 | stable |
| rohitg00/agentmemory agentmemory is a local-first persistent memory runtime for AI coding agents like Claude Code, Cursor, Copilot CLI, and any MCP client. It a… | 81 | 27526 | active |
| squidfunk/mkdocs-material Material for MkDocs is a powerful documentation framework and theme on top of MkDocs that turns Markdown files into a professional, searcha… | 96 | 27336 | stable |
| Wox-launcher/Wox Wox is a fully native, open-source, cross-platform desktop launcher for macOS, Linux, and Windows with GPU rendering and low memory usage. … | 99 | 27252 | active |
| typesense/typesense Typesense is an open-source, in-memory search engine written in C++ that provides fast, typo-tolerant full-text search with sub-50ms latenc… | 84 | 26481 | stable |
| MusicFree MusicFree is a free, open-source, ad-free music player built with React Native (mobile) and React (desktop) that is fully plugin-driven. Th… | 73 | 26353 | active |
| qeeqbox/social-analyzer Social Analyzer is an OSINT tool available as a Web App, CLI, and API that finds and analyzes a person's profile across 1000+ social media … | 60 | 23835 | active |
| readest/readest Readest is an open-source, cross-platform ebook reader built with Next.js and Tauri v2, supporting EPUB, PDF, MOBI, AZW3, FB2, CBZ, and mor… | 84 | 23766 | active |
| timescale/timescaledb TimescaleDB is an open-source PostgreSQL extension that turns Postgres into a high-performance time-series database for real-time analytics… | 99 | 23423 | active |
| navidrome/navidrome Navidrome is a self-hosted, open-source web-based music collection server and streamer written in Go. It indexes your local music files and… | 97 | 23131 | active |
| Forem Forem is open-source Ruby on Rails software for building online communities, best known for powering dev.to. It provides articles, discussi… | 77 | 22770 | active |
| pgvector pgvector is an open-source PostgreSQL extension that adds vector data types and vector similarity search, supporting exact and approximate … | 76 | 22760 | active |
| PromtEngineer/localGPT LocalGPT is a fully private, on-premise document intelligence platform that lets users chat with, summarize, and query their own documents … | 74 | 22205 | active |
| postgres/postgres PostgreSQL is a mature, open source object-relational database management system supporting an extended subset of the SQL standard, includi… | 77 | 21906 | stable |
| dgraph-io/dgraph Dgraph is a distributed, horizontally scalable graph database with native GraphQL support, written in Go. It provides ACID transactions, co… | 99 | 21780 | stable |
| docmost/docmost Docmost is an open-source, self-hosted collaborative wiki and documentation platform built with TypeScript, positioned as an alternative to… | 92 | 21477 | active |
| valeriansaliou/sonic Sonic is a fast, lightweight, schema-less search backend written in Rust that ingests search texts and identifier tuples, returning matchin… | 99 | 21321 | stable |
| elastic/kibana Kibana is the open source web interface for querying, analyzing, visualizing, and managing data stored in Elasticsearch. It provides intera… | 95 | 21262 | active |
| krisk/Fuse Fuse.js is a lightweight, zero-dependency fuzzy-search library written in TypeScript that runs in the browser, Node.js, and Deno. It uses t… | 96 | 20458 | stable |
| Wagtail Wagtail is an open-source content management system built on the Django web framework, focused on editor experience and developer flexibili… | 99 | 20456 | stable |
| mksglu/context-mode An open-source MCP plugin that optimizes AI coding agent context windows by intercepting large tool outputs, storing them in a local FTS5 i… | 74 | 20167 | active |
| dailydotdev/daily daily.dev is a free, open-source personalized news feed and community platform for developers, aggregating content from 2,000+ sources and … | 77 | 20036 | active |
| telescope.nvim Telescope.nvim is a highly extendable fuzzy finder plugin for Neovim, written entirely in Lua, that lets users find, filter, preview, and p… | 86 | 19733 | stable |
| linkwarden/linkwarden Linkwarden is a self-hosted, open-source collaborative bookmark manager for collecting, reading, annotating, and preserving webpages. It ar… | 98 | 19606 | active |
| dzhng/deep-research An AI-powered deep research agent that iteratively generates search queries, scrapes web content, and refines its research direction using … | 55 | 19603 | active |
| lionsoul2014/ip2region ip2region is an offline IP-to-region localization library and IP data management framework supporting both IPv4 and IPv6 with city-level re… | 96 | 19468 | stable |
| BookStackApp/BookStack BookStack is a free, open-source, self-hosted documentation and wiki platform built with PHP and Laravel. It organizes content into Books, … | 99 | 19001 | stable |
| subquery/subql SubQuery is an open-source, multi-chain data indexing framework for web3 that lets developers extract, transform, and query blockchain data… | 76 | 18753 | active |
| janeczku/calibre-web Calibre-Web is a self-hosted web application for browsing, reading, and downloading eBooks from an existing Calibre database. It provides a… | 87 | 18056 | active |
| kurikomi-labs/komi-store Komi Store is a free, open-source, cross-platform app store that indexes installable releases from GitHub (and Codeberg/Forgejo), letting u… | 78 | 17976 | active |
| zincsearch/zincsearch ZincSearch is a lightweight full-text search engine written in Go, built on the bluge indexing library, designed as a resource-efficient al… | 10 | 17889 | active |
| Foundry376/Mailspring Mailspring is a fully open source desktop email client for Mac, Windows, and Linux, built with Electron, React, and TypeScript, with a C++ … | 97 | 17761 | active |
| rqlite/rqlite rqlite is a lightweight, fault-tolerant distributed relational database built on SQLite, replicating data across nodes using the Raft conse… | 93 | 17704 | stable |
| VictoriaMetrics/VictoriaMetrics VictoriaMetrics is a fast, cost-effective, and scalable open-source time series database and monitoring solution written in Go. It supports… | 95 | 17597 | stable |
| redis/node-redis Node-Redis is the official, modern, high-performance Redis client for Node.js, written in TypeScript. It ships as a monorepo of packages co… | 98 | 17572 | stable |
| infinilabs/analysis-ik The IK Analysis plugin integrates the Lucene IK analyzer into Elasticsearch and OpenSearch, providing Chinese text tokenization via the ik_… | 63 | 17515 | active |
| questdb/questdb QuestDB is an open-source, high-performance time-series database with a column-oriented, SIMD-vectorized SQL engine written in zero-GC Java… | 99 | 17279 | stable |
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