function: search-engine
2952 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| laramies/theHarvester theHarvester is a Python CLI tool that gathers open-source intelligence (emails, subdomains, hostnames, IPs, names, URLs, ASNs) about a dom… | 91 | 17202 | active |
| Neo4j Neo4j is the leading open-source native graph database, storing and querying connected data as nodes and relationships using the Cypher que… | 67 | 17141 | stable |
| nashsu/llm_wiki LLM Wiki is a cross-platform desktop application that automatically turns your documents into an organized, interlinked knowledge base. Unl… | 81 | 16834 | active |
| weaviate/weaviate Weaviate is an open-source, cloud-native vector database written in Go that stores both objects and vector embeddings, combining vector sim… | 95 | 16754 | stable |
| prestodb/presto Presto is a distributed SQL query engine for running interactive queries against large datasets across heterogeneous data sources such as H… | 96 | 16724 | stable |
| memvid/memvid Memvid is a single-file memory layer for AI agents that packages data, embeddings, and search indexes into one portable .mv2 file. It repla… | 78 | 16449 | active |
| RyanCodrai/turbovec turbovec is a Rust vector index with Python bindings implementing Google's TurboQuant algorithm for 2-4 bit vector quantization with SIMD-a… | 59 | 16441 | active |
| tgbot-collection/YYeTsBot A Telegram bot and companion website that indexes YYeTs (Renren Yingshi) movie and TV show resources, including user-shared cloud drive lin… | 65 | 16219 | active |
| quickwit-oss/tantivy Tantivy is a fast full-text search engine library written in Rust, strongly inspired by Apache Lucene's design. It is a crate for building … | 82 | 15992 | stable |
| Jackett/Jackett Jackett is a self-hosted proxy server that translates queries from media automation apps (Sonarr, Radarr, Lidarr, etc.) into tracker-site-s… | 95 | 15961 | active |
| FreshRSS/FreshRSS FreshRSS is a free, self-hosted RSS and Atom feed aggregator written in PHP, supporting multiple users, an anonymous reading mode, and a mo… | 90 | 15849 | stable |
| apache/doris Apache Doris is an open-source MPP-based real-time analytical database that delivers sub-second queries over massive datasets, combining a … | 99 | 15817 | stable |
| apache/answer Apache Answer is an open-source Q&A platform software for building community forums, help centers, and knowledge management sites. It is wr… | 93 | 15658 | stable |
| ast-grep/ast-grep ast-grep is a fast Rust-based CLI tool for structural search, linting, and rewriting of code using AST patterns instead of plain text match… | 95 | 15652 | active |
| beetbox/beets Beets is a Python-based music library manager that catalogs music collections and automatically corrects and enriches metadata using MusicB… | 98 | 15590 | stable |
| alibaba/zvec Zvec is an open-source, in-process vector database by Alibaba that embeds directly into applications with no server or daemon required. It … | 83 | 15518 | active |
| Flow-Launcher/Flow.Launcher Flow Launcher is a free, open-source quick file search and app launcher for Windows, triggered by a customizable hotkey. It supports commun… | 95 | 15440 | active |
| organicmaps/organicmaps Organic Maps is a free, open-source, privacy-first offline maps and GPS navigation app for Android and iOS built on OpenStreetMap data. It … | 97 | 15212 | active |
| haiwen/seafile Seafile is an open-source, self-hosted cloud storage system providing high-performance file syncing, sharing, and encrypted libraries, orga… | 67 | 15175 | active |
| Zotero Zotero is a free, open-source reference management application for collecting, organizing, annotating, citing, and sharing research sources… | 77 | 15077 | stable |
| open-metadata/OpenMetadata OpenMetadata is an open-source metadata management platform that unifies data cataloging, lineage, data quality, governance, and business s… | 95 | 14986 | active |
| srwi/EverythingToolbar EverythingToolbar integrates voidtools' Everything instant file search into the Windows taskbar, either as a search box, a compact icon, or… | 99 | 14639 | active |
| fish2018/pansou PanSou is a high-performance self-hosted API service for searching cloud drive (netdisk) resource links, aggregating results from Telegram … | 62 | 14365 | active |
| spotify/annoy Annoy is a C++ library with Python (and other language) bindings for approximate nearest neighbor search over high-dimensional vectors. It … | 45 | 14289 | stable |
| arangodb/arangodb ArangoDB is a native multi-model database server written in C++ that unifies graph, document (JSON), key-value, full-text, and vector searc… | 77 | 14266 | stable |
| idank/explainshell explainshell is a tool with a web interface that parses manpages, extracts their options, and explains arbitrary shell command lines by mat… | 79 | 14211 | active |
| unbug/codelf CODELF is a search tool that helps developers solve the 'naming things' problem by searching real-world variable names across GitHub, Bitbu… | 44 | 14147 | active |
| Audiobookshelf Audiobookshelf is an open-source, self-hosted media server for streaming and managing audiobooks and podcasts, with companion Android and i… | 97 | 14135 | active |
| netease-youdao/QAnything QAnything is a local knowledge base question-answering system by NetEase Youdao that supports uploading and querying various document forma… | 22 | 14078 | active |
| apache/druid Apache Druid is a high-performance, distributed, real-time analytics database written in Java for fast OLAP-style slice-and-dice queries on… | 89 | 14045 | stable |
| LibreSpark/LibreTV LibreTV is a lightweight, free, self-hostable web application for searching and streaming video content aggregated from multiple third-part… | 10 | 13796 | active |
| nextapps-de/flexsearch FlexSearch is a fast, memory-efficient full-text search library for JavaScript that runs in both the browser and Node.js. It supports fuzzy… | 70 | 13781 | stable |
| github-linguist/linguist Linguist is the Ruby library GitHub uses to detect file languages, ignore binary/vendored files, suppress generated files in diffs, and pro… | 95 | 13657 | active |
| every-app/open-seo OpenSEO is an open-source, self-hostable SEO platform offering keyword research, rank tracking, backlink analysis, domain overview, site au… | 81 | 13598 | active |
| opensearch-project/OpenSearch OpenSearch is an open-source, distributed, RESTful search and analytics suite for full-text search, log analytics, application monitoring, … | 98 | 13581 | stable |
| mmistakes/minimal-mistakes Minimal Mistakes is a flexible two-column Jekyll theme distributed as a Ruby gem, designed for personal sites, blogs, project documentation… | 90 | 13557 | stable |
| cheat cheat is a Go-based command-line tool for creating, viewing, editing, and searching interactive cheatsheets for *nix commands. It ships wit… | 82 | 13437 | active |
| crimx/ext-saladict Saladict is an open-source Chrome/Firefox WebExtension providing an all-in-one pop-up dictionary and page translator with multiple search m… | 96 | 13290 | active |
| trinodb/trino Trino is a fast, distributed ANSI SQL query engine for big data analytics, formerly known as PrestoSQL. It queries data in place across div… | 93 | 13183 | stable |
| macrozheng/mall-swarm mall-swarm is a microservices-based e-commerce mall system built with Spring Cloud Alibaba, Spring Boot 3.5, Sa-Token, MyBatis, Elasticsear… | 66 | 13104 | active |
| jackyzha0/quartz Quartz is a fast, batteries-included static-site generator written in TypeScript that transforms Markdown content into fully functional web… | 67 | 13103 | active |
| fuma-nama/fumadocs Fumadocs is a React.js documentation framework for building beautiful, flexible docs sites, officially supporting Next.js, Astro, and Vite-… | 91 | 12989 | active |
| Canop/broot Broot is an interactive terminal-based file browser and launcher that shows navigable, balanced directory trees with fuzzy, regex, and cont… | 99 | 12916 | stable |
| dip/cmdk cmdk is a fast, unstyled React component for building command menus (⌘K palettes) that also works as an accessible combobox. It provides a … | 56 | 12916 | active |
| neuml/txtai txtai is an all-in-one open-source AI framework for semantic search, LLM orchestration and language model workflows, built around an embedd… | 98 | 12909 | active |
| stashapp/stash Stash is a self-hosted web application written in Go that organizes, tags, and streams personal video and image collections through a brows… | 92 | 12885 | active |
| StarTrail-org/LEANN LEANN is a low-storage vector index that enables retrieval-augmented generation (RAG) on personal devices by recomputing embeddings on the … | 77 | 12836 | active |
| zealdocs/zeal Zeal is an offline documentation browser for Windows and Linux, inspired by macOS's Dash, that lets developers download and search hundreds… | 93 | 12778 | active |
| citusdata/citus Citus is an open-source PostgreSQL extension (written in C) that transforms Postgres into a distributed database by sharding tables across … | 98 | 12730 | active |
| langchain-ai/open_deep_research An open-source deep research agent built with LangGraph that performs multi-step web research using configurable LLM providers, search tool… | 10 | 12673 | active |
| datahub-project/datahub DataHub is an open-source data catalog and metadata platform providing data discovery, governance, lineage, and observability across an org… | 98 | 12586 | active |
| zilliztech/claude-context Claude Context is an MCP plugin that adds semantic code search to Claude Code and other AI coding agents, indexing an entire codebase into … | 60 | 12447 | active |
| seerr-team/seerr Seerr is a free, open-source web application for managing media requests and discovery, integrating with Jellyfin, Plex, and Emby media ser… | 98 | 12399 | active |
| vesoft-inc/nebula NebulaGraph is a distributed, open-source graph database written in C++ that handles large graph datasets with millisecond latency and hori… | 60 | 12365 | active |
| rommapp/romm RomM is a self-hosted web application for scanning, enriching, browsing, and playing retro game ROM collections. It fetches metadata and ar… | 97 | 12259 | active |
| FlagOpen/FlagEmbedding FlagEmbedding is the official Python toolkit for BAAI's BGE family of embedding models and rerankers, covering inference, evaluation, and f… | 87 | 12086 | active |
| Listen 1 Listen 1 is an open-source music player that aggregates search and playback from multiple Chinese streaming platforms (NetEase Cloud Music,… | 35 | 12078 | active |
| StarRocks/starrocks StarRocks is a high-performance distributed OLAP database and query engine built on an MPP architecture with a fully vectorized execution e… | 95 | 12043 | active |
| dbcli/mycli mycli is a command-line terminal client for MySQL and compatible databases (MariaDB, Percona, TiDB, Apache Doris) with context-sensitive au… | 95 | 11967 | active |
| manticoresoftware/manticoresearch Manticore Search is an open-source search database written in C++ that provides fast full-text, vector, and hybrid search with real-time in… | 99 | 11956 | stable |
| OpenRefine/OpenRefine OpenRefine is a free, open-source desktop application (running a local web server accessed via browser) for cleaning, transforming, and enr… | 90 | 11954 | stable |
| zaidmukaddam/scira Scira is an open-source, minimalistic AI-powered search engine and agentic research platform that plans multi-step searches, retrieves live… | 67 | 11850 | active |
| go-shiori/shiori Shiori is a simple bookmark manager written in Go, intended as a self-hosted clone of Pocket. It works as both a command-line application a… | 74 | 11615 | active |
| Kareadita/Kavita Kavita is a fast, cross-platform, self-hosted reading server for manga, comics, webtoons, and ebooks (EPUB, PDF, CBZ/CBR). It provides resp… | 94 | 11565 | active |
| quickwit-oss/quickwit Quickwit is an open-source, cloud-native search engine written in Rust and powered by Tantivy, designed to run sub-second search and analyt… | 94 | 11549 | active |
| simonw/datasette Datasette is an open-source tool for exploring and publishing data, turning SQLite databases into interactive websites with an accompanying… | 86 | 11412 | active |
| lancedb/lancedb LanceDB is an open-source embedded vector database and multimodal AI lakehouse built on the Lance columnar format, written in Rust with Pyt… | 92 | 11284 | active |
| blevesearch/bleve Bleve is a full-text indexing and search library for Go supporting text, numeric, datetime, geo-spatial, and vector fields. It provides ric… | 95 | 11187 | active |
| sissbruecker/linkding linkding is a self-hosted bookmark manager built with Django, designed to be minimal, fast, and easy to deploy via a single Docker containe… | 98 | 11105 | stable |
| blinkospace/blinko Blinko is an open-source, self-hosted AI-powered card note-taking app for quickly capturing and organizing fleeting thoughts. It uses RAG-b… | 81 | 10955 | active |
| gleitz/howdoi howdoi is a command-line tool that fetches instant coding answers from the web (primarily Stack Overflow) so you can get code snippets with… | 67 | 10839 | active |
| triggerdotdev/jsonhero-web JSON Hero is an open-source web application for browsing, searching, and navigating JSON files with a clean UI offering column, tree, and e… | 57 | 10831 | active |
| sigoden/dufs Dufs is a Rust-based command-line file server that serves static files with support for uploading, searching, access control, and WebDAV. I… | 78 | 10662 | active |
| popcorntime/popcorntime Popcorn Time is a cross-platform streaming discovery app that aggregates movies and TV shows from 800+ streaming platforms into a single br… | 77 | 10647 | active |
| tstack/lnav lnav is an advanced terminal-based log file viewer that automatically detects log formats, merges multiple files by timestamp, and lets use… | 88 | 10613 | active |
| oramasearch/orama Orama is a lightweight (~2kb) search engine and RAG pipeline library written in TypeScript that runs in the browser, server, or edge networ… | 84 | 10533 | active |
| yugabyte/yugabyte-db YugabyteDB is an open-source, PostgreSQL-compatible distributed SQL database built for cloud-native, mission-critical OLTP applications. It… | 95 | 10501 | stable |
| hackjutsu/Lepton Lepton is a free, open-source desktop code snippet manager built on Electron and powered by GitHub Gist. It offers unlimited public/secret … | 84 | 10338 | active |
| Ranchero-Software/NetNewsWire NetNewsWire is a free and open-source RSS/Atom/JSON Feed reader for macOS and iOS. It displays articles from blogs and news sites, tracks r… | 99 | 10319 | active |
| oceanbase/oceanbase OceanBase is a distributed relational database engine developed by Ant Group, offering MySQL compatibility, Paxos-based high availability, … | 98 | 10255 | stable |
| Chirpy Jekyll Theme Chirpy is a minimal, responsive, and feature-rich Jekyll theme designed for technical writing and personal blogs. It ships as a Ruby gem wi… | 90 | 10246 | stable |
| chaitin/PandaWiki PandaWiki is an open-source, AI large-language-model-driven knowledge base system for building intelligent product docs, technical document… | 80 | 10156 | active |
| dmtrKovalenko/fff FFF is a fast, typo-resistant file and content search toolkit written in Rust, available as an SDK for Rust, C, Python, Bun, NodeJS, and Lu… | 84 | 10149 | active |
| OpenCTI-Platform/opencti OpenCTI is an open-source platform for managing cyber threat intelligence knowledge, including observables, TTPs, and threat actor informat… | 95 | 9854 | active |
| darknessomi/musicbox NetEase-MusicBox is a Python-based command-line client for NetEase Cloud Music supporting multiple audio qualities including lossless FLAC … | 92 | 9833 | active |
| phiresky/ripgrep-all rga (ripgrep-all) is a command-line search tool that wraps ripgrep to search regex patterns inside PDFs, e-books, Office documents, SQLite … | 64 | 9825 | active |
| gorse-io/gorse Gorse is an AI-powered open-source recommender system engine written in Go that ingests items, users, and interaction feedback and automati… | 97 | 9808 | active |
| ahrm/sioyek Sioyek is a keyboard-focused PDF viewer designed for reading textbooks and research papers. It offers smart jumps to references, portals fo… | 67 | 9805 | active |
| google/re2 RE2 is a C++ regular expression library that guarantees linear-time matching, making it safe for handling regexes from untrusted users. It … | 68 | 9785 | stable |
| StarTrail-org/PixelRAG PixelRAG is a Python library and hosted service for visual retrieval-augmented generation: it renders web pages and documents into screensh… | 76 | 9742 | active |
| tidwall/tile38 Tile38 is an open-source, in-memory geospatial database and real-time geofencing server written in Go. It supports spatial indexing of poin… | 89 | 9717 | active |
| Fluent Reader Fluent Reader is an open-source, cross-platform desktop RSS reader built with Electron, React, and Fluent UI. It supports local reading or … | 86 | 9622 | active |
| antiwork/gumroad The open-source codebase of Gumroad, an e-commerce platform that lets creators sell digital products, memberships, and courses directly to … | 82 | 9620 | active |
| miniflux/v2 Miniflux is a minimalist, opinionated, self-hosted RSS/Atom/JSON Feed reader written in Go with PostgreSQL as its only dependency. It empha… | 97 | 9618 | stable |
| pastelsky/bundlephobia Bundlephobia is a web service and API that reports the bundle size and performance cost of npm packages, including historical trends and pa… | 67 | 9581 | active |
| litedb-org/LiteDB LiteDB is a lightweight, serverless NoSQL document database for .NET, written entirely in C# and stored in a single data file, similar to S… | 85 | 9458 | stable |
| databendlabs/databend Databend is an open-source, cloud-native data warehouse built in Rust that runs entirely on object storage (S3, Azure, GCS). It unifies BI … | 93 | 9423 | active |
| missive/emoji-mart Emoji Mart is a customizable emoji picker component for the web, available as a React component and a vanilla browser web component. It dec… | 23 | 9399 | active |
| openclaw/clawhub ClawHub is the public skill and plugin registry for OpenClaw, letting users publish, version, search, and install text-based agent skills (… | 82 | 9357 | active |
| MoonTV MoonTV (LunaTV) is a self-hosted, cross-platform video aggregation player built with Next.js 14, TypeScript, and Tailwind CSS. It aggregate… | 73 | 9329 | active |