function: plugin-system
2159 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| ToolJet/ToolJet ToolJet is an open-source low-code platform for building internal tools, dashboards, and business applications with a drag-and-drop visual … | 95 | 40773 | active |
| Nushell Nushell is a cross-platform shell written in Rust that treats pipelines as streams of structured, typed data (tables, records, lists) inste… | 95 | 40344 | active |
| Video.js Video.js is an open-source web video player and framework supporting HTML5 video/audio plus streaming formats like HLS and DASH across desk… | 92 | 39867 | active |
| qBittorrent qBittorrent is an open-source BitTorrent client written in C++/Qt on top of libtorrent-rasterbar, aiming to be a free alternative to µTorre… | 97 | 39720 | stable |
| AstrBotDevs/AstrBot AstrBot is a multi-platform LLM chatbot and agentic AI assistant development framework written in Python. It integrates many instant messag… | 94 | 39649 | active |
| wshobson/agents A marketplace of 93 installable agentic plugins (202 agents, 181 skills, 105 commands, 16 orchestrators) built for Claude Code and consumab… | 62 | 39163 | active |
| Mattermost Mattermost is an open-core, self-hosted collaboration platform offering team chat channels, voice calling, screen sharing, workflow automat… | 95 | 38910 | stable |
| ueberdosis/tiptap Tiptap is a headless, framework-agnostic rich text editor framework built on ProseMirror, customizable through 100+ extensions for React, V… | 95 | 38173 | stable |
| fastify/fastify Fastify is a fast, low-overhead web framework for Node.js with a powerful plugin architecture, JSON Schema-based validation and serializati… | 99 | 37025 | stable |
| FreeCAD/FreeCAD FreeCAD is a free and open-source, cross-platform 3D parametric CAD modeler for designing real-life objects of any size, built on the OpenC… | 89 | 33083 | stable |
| SillyTavern/SillyTavern SillyTavern is a locally installed, self-hosted web UI for interacting with text generation LLMs, image generation engines, and TTS voice m… | 87 | 32691 | active |
| herdrdev/herdr Herdr is a Rust-based terminal multiplexer and runtime designed for running AI coding agents like Claude Code, Codex, and Cursor in persist… | 81 | 32631 | active |
| dokku/dokku Dokku is a Docker-powered, open source Platform as a Service (PaaS) that runs on a single server, letting you deploy apps via git push usin… | 94 | 32111 | stable |
| DevToys-app/DevToys DevToys is a free, open-source, offline desktop application bundling 30+ small developer utilities such as converters, encoders/decoders, f… | 72 | 31899 | active |
| ianstormtaylor/slate Slate is a completely customizable framework for building rich text editors on top of React, inspired by Draft.js, ProseMirror, and Quill. … | 99 | 31748 | active |
| docsify Docsify is a documentation site generator that turns Markdown files into a website at runtime, with no static HTML build step. It is lightw… | 86 | 31477 | stable |
| transloadit/uppy Uppy is a sleek, modular JavaScript file uploader for web browsers that integrates with any frontend framework via plugins. It fetches file… | 95 | 30935 | stable |
| Shizuku Shizuku lets normal Android apps call system APIs with elevated ADB or root privileges by running a server process via app_process and prox… | 35 | 29367 | active |
| postcss/postcss PostCSS is a JavaScript framework for transforming CSS via a plugin ecosystem, parsing stylesheets into an AST that plugins can analyze and… | 98 | 28983 | stable |
| NvChad/NvChad NvChad is a fast, beautifully themed Neovim configuration framework written in Lua, providing solid defaults, lazy-loaded plugins, and poli… | 63 | 28440 | active |
| Bagisto Bagisto is an open-source eCommerce platform built on Laravel (PHP) for B2C, B2B, multi-vendor marketplace, multi-tenant, and headless comm… | 99 | 27994 | active |
| koodo-reader/koodo-reader Koodo Reader is a cross-platform ebook manager and reader supporting EPUB, PDF, Kindle, comic archives, and many other formats. It offers c… | 94 | 27983 | active |
| OpenZeppelin Contracts OpenZeppelin Contracts is a library of secure, community-vetted Solidity smart contracts for Ethereum and other EVM blockchains. It provide… | 89 | 27234 | stable |
| Molunerfinn/PicGo PicGo is a cross-platform desktop application (built with Electron and Vue) that uploads images to 60+ image hosting services such as GitHu… | 99 | 27053 | active |
| jenkinsci/jenkins Jenkins is the leading open-source automation server, built in Java, used for continuous integration and continuous delivery of software. I… | 95 | 26500 | stable |
| GrapesJS/grapesjs GrapesJS is a free and open-source web builder framework for creating drag-and-drop visual editors that let users build HTML-like templates… | 99 | 26166 | active |
| 4ian/GDevelop GDevelop is an open-source, no-code 2D/3D game engine with a visual event-based system, built-in behaviors, multiplayer support, and AI ass… | 95 | 25969 | stable |
| asdf asdf is an extendable CLI version manager that manages multiple language runtime versions (Ruby, Node.js, Elixir, Erlang, Go, Python, and m… | 96 | 25548 | stable |
| alirezarezvani/claude-skills A large open-source collection of 380+ Claude Code skills, agent plugins, custom commands, and agent personas for AI coding assistants. Ski… | 84 | 25033 | active |
| TencentCloud/TencentDB-Agent-Memory TencentDB Agent Memory is a self-hosted team-level memory hub for AI agents that converts conversations, docs, and code into four reusable … | 81 | 24677 | active |
| activepieces/activepieces Activepieces is an open-source, AI-first workflow automation platform and Zapier alternative with a no-code builder, 700+ integrations, and… | 94 | 24050 | active |
| nocobase/nocobase NocoBase is an open-source AI + no-code platform for building business systems and internal tools, combining a WYSIWYG no-code interface wi… | 95 | 23877 | active |
| facebook/lexical Lexical is an extensible JavaScript text editor framework from Meta that attaches to contentEditable elements and provides a modular, plugi… | 98 | 23797 | stable |
| pubkey/rxdb RxDB is a local-first, reactive NoSQL database for JavaScript applications that runs in browsers, mobile apps, desktop apps, and servers. I… | 99 | 23368 | active |
| Sanster/IOPaint IOPaint is a free, open-source, self-hostable image inpainting and outpainting tool powered by state-of-the-art AI models like LaMa and Sta… | 10 | 23348 | active |
| Wechaty Wechaty is a Conversational RPA SDK for building chatbots on instant messaging platforms like WeChat, WhatsApp, WeCom, Gitter, and Lark in … | 49 | 22986 | active |
| Matomo Matomo (formerly Piwik) is the leading open-source web analytics platform, a privacy-focused alternative to Google Analytics built in PHP a… | 99 | 21807 | stable |
| pascalorg/editor Pascal Editor is a free, open-source 3D building and architectural design editor that runs in the browser, built with React Three Fiber, Th… | 79 | 21721 | active |
| super-productivity/super-productivity Super Productivity is an open-source, local-first todo list and task management app with integrated timeboxing, time tracking, Pomodoro/Flo… | 94 | 21615 | active |
| WordPress/WordPress WordPress is the world's most widely used open-source content management system and publishing platform, built in PHP with a MySQL/MariaDB … | 77 | 21370 | stable |
| xbmc/xbmc Kodi is a free and open-source home theater/media center application that plays virtually all audio and video formats from local, network, … | 72 | 21141 | stable |
| blender/blender Blender is the free and open source 3D creation suite covering the entire 3D pipeline: modeling, rigging, animation, simulation, rendering,… | 77 | 19863 | stable |
| Nagi-ovo/voyager Voyager is a browser extension enhancement suite for AI chat web UIs like Gemini, AI Studio, Claude, and ChatGPT, adding features such as c… | 80 | 19848 | active |
| rocksdanister/lively Lively Wallpaper is a free, open-source Windows application for setting animated desktop wallpapers and screensavers, built with WinUI 3. I… | 73 | 19488 | active |
| VLC media player VLC is a free, open-source, cross-platform media player and multimedia engine that plays virtually every audio/video format, discs, streams… | 77 | 19443 | stable |
| decaporg/decap-cms Decap CMS (formerly Netlify CMS) is an open-source, Git-based content management system for static site generators, built as a React single… | 97 | 19318 | active |
| LunarVim/LunarVim LunarVim is an opinionated IDE layer for Neovim that ships with sane defaults for autocompletion, LSP, linting, formatting, debugging, fuzz… | 34 | 19271 | active |
| elizaOS/eliza elizaOS is an open-source TypeScript framework and product stack for building and running autonomous AI agents, including a core runtime, C… | 90 | 19176 | active |
| mountain-loop/yaak Yaak is an open-source, local-first desktop API client for sending HTTP, GraphQL, WebSocket, Server-Sent Events, and gRPC requests, built w… | 97 | 19120 | active |
| egg Egg.js is an enterprise-grade web framework for Node.js built on top of Koa, emphasizing convention over configuration and a powerful plugi… | 88 | 18985 | stable |
| lss233/kirara-ai Kirara AI is a self-hosted, DIY multimodal AI chatbot framework that connects large language models (DeepSeek, ChatGPT, Claude, Gemini, Oll… | 46 | 18972 | active |
| gradle/gradle Gradle is an open-source build automation tool with declarative DSLs in Kotlin and Groovy, incremental builds, build caching, and a rich pl… | 99 | 18803 | stable |
| alibaba/ice ice.js is a progressive React application framework from Alibaba supporting SPA, MPA, SSR, and SSG rendering with zero-config setup. It inc… | 64 | 18629 | active |
| xbar xbar is a macOS menu bar application (a rewrite of BitBar in Go using Wails) that displays the output of any script or program directly in … | 23 | 18062 | active |
| nhn/tui.editor TOAST UI Editor is a JavaScript Markdown editor offering both Markdown and WYSIWYG modes with GFM/CommonMark support. It is extensible via … | 23 | 18014 | stable |
| verdaccio/verdaccio Verdaccio is a lightweight, zero-config private npm proxy registry built in Node.js. It hosts private packages, proxies and caches upstream… | 99 | 17843 | 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 |
| eythaann/Seelen-UI Seelen UI is a fully customizable desktop environment replacement for Windows 10/11, built with Tauri and Rust. It replaces the taskbar, do… | 87 | 17629 | active |
| langbot-app/LangBot LangBot is an open-source, production-grade platform for building AI-powered instant messaging bots, connecting LLMs and agent workflows to… | 94 | 17558 | active |
| alibaba/DataX DataX is Alibaba's open-source offline data synchronization framework, the open version of Alibaba Cloud DataWorks data integration. It syn… | 64 | 17328 | stable |
| apache/apisix Apache APISIX is a dynamic, high-performance cloud-native API gateway and AI gateway built on NGINX and etcd, offering load balancing, dyna… | 95 | 17038 | stable |
| graphql/graphiql GraphiQL is the official GraphQL Foundation reference IDE for exploring and testing GraphQL APIs in the browser, plus a monorepo ecosystem … | 95 | 16899 | active |
| hashicorp/nomad HashiCorp Nomad is a flexible, single-binary workload orchestrator that deploys and manages containers, non-containerized applications, bat… | 94 | 16837 | stable |
| exaloop/codon Codon is a high-performance Python compiler that statically compiles Python-like code to native machine code via LLVM, typically achieving … | 90 | 16834 | active |
| hubotio/hubot Hubot is a JavaScript/Node.js framework for building customizable chat bots, originally created by GitHub to automate company chat rooms. I… | 87 | 16798 | active |
| udecode/plate Plate is a React framework for building rich-text editors, built on Slate with a headless plugin system, composable packages, and shadcn/ui… | 95 | 16533 | active |
| OpenRCT2/OpenRCT2 OpenRCT2 is an open-source re-implementation of RollerCoaster Tycoon 2, a construction and management simulation game about running amuseme… | 98 | 16144 | active |
| umijs/umi Umi is an extensible, plugin-based enterprise-grade React application framework from Ant Group, built on React Router 6 with routing, build… | 95 | 16040 | stable |
| 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 |
| whistle Whistle is a cross-platform, Node.js-based network debugging and packet-capture proxy supporting HTTP, HTTPS, HTTP/2, WebSocket, and TCP tr… | 76 | 15663 | active |
| getgrav/grav Grav is a fast, flat-file content management system built on PHP, Markdown, Twig, and Symfony components that requires no database. Version… | 99 | 15650 | stable |
| jsdoc/jsdoc JSDoc is an API documentation generator for JavaScript, similar to Javadoc. It parses JSDoc-style comments in source code and generates an … | 67 | 15454 | stable |
| xournalpp/xournalpp Xournal++ is a cross-platform handwriting notetaking application written in C++ with GTK3, supporting pressure-sensitive stylus input from … | 94 | 15286 | active |
| JupyterLab JupyterLab is an extensible, web-based interactive computing environment for authoring computational notebooks, with support for code conso… | 98 | 15272 | stable |
| NodeBB/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 | 15203 | stable |
| botpress/botpress Botpress is an open-source platform and hub for building, deploying, and managing GPT/LLM-powered chatbots and AI agents, with a visual stu… | 67 | 14879 | active |
| hapijs/hapi @hapi/hapi is a mature Node.js web framework for building HTTP servers and APIs with secure defaults, a rich plugin system, and zero extern… | 67 | 14793 | stable |
| Automattic/harper Harper is an open-source, offline English grammar checker written in Rust that runs entirely on-device with millisecond lint times. It ship… | 89 | 14744 | active |
| mickael-kerjean/filestash Filestash is a self-hosted, storage-agnostic web-based file manager that connects to nearly any storage backend (FTP, SFTP, S3, SMB, WebDAV… | 77 | 14554 | 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 |
| espanso/espanso Espanso is a privacy-first, cross-platform text expander written in Rust that detects typed keywords and replaces them with text, images, e… | 89 | 14361 | stable |
| qgis/QGIS QGIS is a free, open-source, cross-platform desktop Geographical Information System (GIS) for viewing, editing, analyzing, and sharing spat… | 98 | 14288 | stable |
| coredns/coredns CoreDNS is a fast and flexible DNS server and forwarder written in Go that chains plugins, each performing a DNS function. It is a CNCF gra… | 95 | 14280 | stable |
| dream-num/univer Univer is a full-stack, isomorphic TypeScript SDK for building embeddable office applications - spreadsheets, documents, and presentations … | 92 | 14215 | active |
| automatisch/automatisch Automatisch is an open-source, self-hostable business automation tool that serves as a Zapier alternative, letting users connect services l… | 54 | 13944 | active |
| sunnyyoung/WeChatTweak A command-line tool that patches the WeChat macOS client to add features like preventing message revocation, blocking automatic updates, an… | 71 | 13827 | active |
| Fluentd Fluentd is an open-source data collector that unifies log and event collection from many sources and routes them to files, databases, cloud… | 92 | 13579 | stable |
| RetroArch RetroArch is the reference frontend for the libretro API, unifying emulators, game engines, and media players as loadable 'cores' behind a … | 80 | 13577 | stable |
| metersphere/metersphere MeterSphere is an open-source continuous testing platform with a built-in AI assistant for generating test cases. It combines test case man… | 98 | 13470 | active |
| rmyndharis/OpenWA OpenWA is a free, MIT-licensed, self-hosted WhatsApp API Gateway that wraps WhatsApp connections in a REST API with webhooks, a React dashb… | 78 | 13227 | 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 |
| darktable-org/darktable darktable is an open-source photography workflow application and non-destructive raw developer, acting as a virtual lighttable and darkroom… | 95 | 12992 | stable |
| lllyasviel/stable-diffusion-webui-forge A fork/platform built on top of AUTOMATIC1111's Stable Diffusion WebUI that optimizes resource management, speeds up inference, and adds ex… | 32 | 12977 | 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 |
| web-infra-dev/rspack Rspack is a fast, Rust-based JavaScript module bundler for the web that modernizes the webpack API to serve as a drop-in replacement. It of… | 95 | 12873 | active |
| mapeditor/tiled Tiled is a free, open-source, general-purpose tile map editor for tile-based games, supporting orthogonal, isometric, and hexagonal maps wi… | 90 | 12850 | stable |
| nearai/ironclaw IronClaw is an open-source, Rust-based 'Agent OS' and personal AI assistant that runs locally or on NEAR AI Cloud, with a WebUI, terminal, … | 82 | 12607 | active |
| typecho/typecho Typecho is a lightweight PHP-based blogging platform and content management system with plugin and theme support. It runs on multiple datab… | 74 | 12430 | stable |
| simonw/llm A CLI tool and Python library for running prompts against large language models from OpenAI, Anthropic, Google, and many other providers, i… | 97 | 12412 | stable |
| retejs/rete Rete.js is a TypeScript-first JavaScript framework for building node-based visual programming editors and dataflow/control-flow graph inter… | 65 | 12226 | stable |