Ross ROSS = Recommend OSS · open-source software intelligence for agents

Open-source plugin-system software

2168 open-source libraries, tools and applications tagged plugin-system, ranked by how closely plugin-system 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.

2168 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
vialer/vialer-js
Vialer-js is a pluggable open-source WebRTC softphone and communication platform built with Vue, supporting SIP-over-WebRTC calling through…
321007abandoned
MultiApp
MultiApp is a customizable virtual Android container written in Kotlin that lets users run multiple instances of the same app on one device…
591002abandoned
doug/depthjs
DepthJS is a browser extension and native plugin (primarily for Chrome) that lets any web page interact with the Microsoft Kinect via JavaS…
321001abandoned
cinchrb/cinch
Cinch is a Ruby framework for building IRC bots with a plugin- and rule-based architecture and an object-oriented API. It handles threading…
10999abandoned
vladikoff/grunt-devtools
A Chrome DevTools extension paired with an npm/Grunt plugin that lets developers run and monitor Grunt tasks from a dedicated Grunt tab in …
23997abandoned
OpenClaw
OpenClaw is an open‑source AI assistant that runs on your own hardware and connects to dozens of chat platforms. It provides a gateway, plu…
80392291active
Hermes Agent
Hermes Agent is an open‑source autonomous AI agent that runs on the command line or as a native desktop app. It continuously learns from in…
86254714active
Visual Studio Code
Visual Studio Code is a free, open‑source, cross‑platform code editor built on Electron. It offers a rich extensibility model, built‑in deb…
95194195active
AutoGPT
AutoGPT is an open-source platform for building, deploying, and running AI agents that execute complete workflows, via natural-language cha…
94187630active
Dify
Dify is an open‑source platform for building production‑ready AI agents, RAG pipelines and agentic workflows with a visual no‑code studio. …
92158944active
Open WebUI
Open WebUI is a self‑hosted, web‑based interface for interacting with large language models. It supports local Ollama models, OpenAI‑compat…
88152948active
Neovim
Neovim is a hyperextensible, Vim‑based text editor that runs in the terminal and supports modern GUIs. It provides a first‑class API for pl…
92102749active
obsproject/obs-studio
OBS Studio is a free and open-source desktop application for capturing, compositing, encoding, recording, and live streaming video and audi…
9576531stable
Strapi
Strapi is an open-source, self‑hosted headless CMS built with Node.js and TypeScript. It lets developers define content models and instantl…
9373250active
binary-husky/gpt_academic
GPT Academic is a self-hosted Python application providing a practical chat interface for LLMs like GPT, GLM, Qwen, DeepSeek, and Claude, w…
4771417active
KRTirtho/spotube
Spotube is a cross‑platform open‑source music streaming application built with Flutter. It lets users play, download, and manage music from…
8950128active
Discourse
Discourse is an open‑source, Ruby‑on‑Rails based community platform for discussion forums, Q&A, and real‑time chat. It can be self‑hosted o…
8347962active
sickn33/agentic-awesome-skills
AAS Core is a Python library and CLI that provides a local, agent‑first control plane for discovering, selecting, validating, and previewin…
7747000active
IINA
IINA is a free, open-source modern video and audio player for macOS built on top of mpv. It offers a native macOS interface with features l…
9546807active
Kong Gateway
Kong Gateway is an open‑source, cloud‑native API and AI gateway that provides high‑performance request routing, load balancing, authenticat…
9144279active
Hexo
Hexo is a fast, simple and powerful static site/blog framework powered by Node.js. It converts Markdown posts into static HTML files with t…
8341778stable
AstrBot
AstrBot is an open-source AI agent assistant and development framework written in Python. It provides multi‑platform LLM chatbots with plug…
9541689active
AstrBot
AstrBot is a multi-platform LLM chatbot and agentic AI assistant development framework written in Python. It integrates many instant messag…
9541689active
Halo
Halo is an open‑source, Java‑based CMS that lets you build blogs, knowledge bases, corporate sites, and online stores. It offers a plugin‑c…
9939944active
volcengine/OpenViking
OpenViking is an open-source context database designed for AI agents. It provides a virtual filesystem interface for storing, retrieving, a…
7739101active
fastify/fastify
Fastify is a high‑performance web framework for Node.js that emphasizes low overhead and developer experience. It provides a powerful plugi…
9937268active
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…
9534484stable
SillyTavern
SillyTavern is a locally installed, self-hosted web UI for interacting with text generation LLMs, image generation engines, and TTS voice m…
9133851active
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…
9432178stable
Slate
Slate is a completely customizable framework for building rich text editors on top of React, inspired by Draft.js, ProseMirror, and Quill. …
9531744active
Uppy
Uppy is a sleek, modular JavaScript file uploader for web browsers that integrates with any frontend framework via plugins. It fetches file…
9331010stable
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…
3130654active
PostCSS
PostCSS is a JavaScript framework for transforming CSS via a plugin ecosystem, parsing stylesheets into an AST that plugins can analyze and…
9628975stable
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…
9528562active
NvChad
NvChad is a fast, beautifully themed Neovim configuration framework written in Lua, providing solid defaults, lazy-loaded plugins, and poli…
6828514active
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…
7927786active
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…
9527625stable
Molunerfinn/PicGo
PicGo is an open‑source desktop application built with Electron that lets you upload images to many hosting services in a single step. It a…
9327227active
Jenkins
Jenkins is the leading open-source automation server, built in Java, used for continuous integration and continuous delivery of software. I…
9526671stable
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…
9926310active
NativeScript
NativeScript is an open‑source framework that lets you build native iOS, Android and visionOS apps using JavaScript or TypeScript. It provi…
9625652active
Lexical
Lexical is an extensible JavaScript text editor framework from Meta that attaches to contentEditable elements and provides a modular, plugi…
9923961stable
Wechaty
Wechaty is an open‑source Conversational RPA SDK for building chatbots on instant‑messaging platforms. It provides a unified API and plugga…
4523348active
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…
1023317active
Super Productivity
Super Productivity is an open-source, local-first todo list and task management app with integrated timeboxing, time tracking, Pomodoro/Flo…
9522885active
Univer
Univer is a full-stack, isomorphic TypeScript SDK for building embeddable office applications - spreadsheets, documents, and presentations …
9522655active
Paseo
Paseo is an open‑source development environment that lets you run, orchestrate and manage multiple AI coding agents across desktop, mobile,…
8121326active
Kodi
Kodi is a free and open-source home theater/media center application that plays virtually all audio and video formats from local, network, …
6921282stable
Blender
Blender is the free and open source 3D creation suite covering the entire 3D pipeline: modeling, rigging, animation, simulation, rendering,…
7720965stable
Lively Wallpaper
Lively Wallpaper is a free, open-source Windows application for setting animated desktop wallpapers and screensavers, built with WinUI 3. I…
7819674active
elizaOS/eliza
elizaOS is an open‑source TypeScript framework and product stack for building autonomous AI agents. It provides a runtime, CLI, cloud servi…
9019622active
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…
9819425active
LunarVim
LunarVim is an opinionated IDE layer for Neovim that ships with sane defaults for autocompletion, LSP, linting, formatting, debugging, fuzz…
3019257active
mountain-loop/yaak
Yaak is a fast, privacy‑first desktop API client built with Tauri, Rust and React. It lets you create, organize and execute REST, GraphQL, …
9519247active
lss233/kirara-ai
Kirara AI is a self-hosted, DIY multimodal AI chatbot framework that connects large language models (DeepSeek, ChatGPT, Claude, Gemini, Oll…
4319123active
Gradle Build Tool
Gradle is an open-source build automation tool with declarative DSLs in Kotlin and Groovy, incremental builds, build caching, and a rich pl…
9918897stable
Formily
ice.js is a progressive React application framework from Alibaba supporting SPA, MPA, SSR, and SSG rendering with zero-config setup. It inc…
6018612active
LangBot
LangBot is an open-source, production-grade platform for building AI-powered instant messaging bots, connecting LLMs and agent workflows to…
9518291active
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 …
2318078active
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…
8918021active
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 …
1018017stable
Mailspring
Mailspring is a fully open source desktop email client for Mac, Windows, and Linux, built with Electron, React, and TypeScript, with a C++ …
9917908active
Verdaccio
Verdaccio is a lightweight, zero-config private npm proxy registry built in Node.js. It hosts private packages, proxies and caches upstream…
9717906active
alibaba/DataX
DataX is Alibaba's open-source offline data synchronization framework, the open version of Alibaba Cloud DataWorks data integration. It syn…
6017364stable
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…
9417201stable
Nomad
HashiCorp Nomad is a flexible, single-binary workload orchestrator that deploys and manages containers, non-containerized applications, bat…
9417012stable
graphql/graphiql
GraphiQL is the official GraphQL Foundation reference IDE for exploring and testing GraphQL APIs in the browser, plus a monorepo ecosystem …
9416913active
Codon
Codon is a high-performance Python compiler that statically compiles Python-like code to native machine code via LLVM, typically achieving …
9816858active
hubotio/hubot
Hubot is a JavaScript/Node.js framework for building customizable chat bots, originally created by GitHub to automate company chat rooms. I…
8716798active
Harper
Harper is an open-source, offline English grammar checker written in Rust that runs entirely on-device with millisecond lint times. It ship…
9116712active
Plate
Plate is a React framework for building rich-text editors, built on Slate with a headless plugin system, composable packages, and shadcn/ui…
9516656active
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…
9516281stable
OpenRCT2
OpenRCT2 is an open-source re-implementation of RollerCoaster Tycoon 2, a construction and management simulation game about running amuseme…
9616250active
umijs/umi
Umi is an extensible, plugin-based enterprise-grade React application framework from Ant Group, built on React Router 6 with routing, build…
9316038stable
Whistle
Whistle is a cross-platform, Node.js-based network debugging and packet-capture proxy supporting HTTP, HTTPS, HTTP/2, WebSocket, and TCP tr…
7615720active
Grav CMS
Grav is a fast, flat-file content management system built on PHP, Markdown, Twig, and Symfony components that requires no database. Version…
9515689stable
xournalpp/xournalpp
Xournal++ is a cross-platform handwriting notetaking application written in C++ with GTK3, supporting pressure-sensitive stylus input from …
9315473active
JSDoc
JSDoc is an API documentation generator for JavaScript, similar to Javadoc. It parses JSDoc-style comments in source code and generates an …
6815469stable
JupyterLab
JupyterLab is an extensible, web-based interactive computing environment for authoring computational notebooks, with support for code conso…
9915366stable
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…
9515239stable
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…
7815142active
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…
6714946active
PanSou
PanSou is a high-performance self-hosted API service for searching cloud drive (netdisk) resource links, aggregating results from Telegram …
6314913active
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…
7714817active
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…
6614786stable
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…
9314625stable
qgis/QGIS
QGIS is a free, open-source, cross-platform desktop Geographical Information System (GIS) for viewing, editing, analyzing, and sharing spat…
9814510stable
RetroArch
RetroArch is the reference frontend for the libretro API, unifying emulators, game engines, and media players as loadable 'cores' behind a …
7814383stable
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…
9114365stable
automatisch/automatisch
Automatisch is an open-source, self-hostable business automation tool that serves as a Zapier alternative, letting users connect services l…
4913994active
WeChatTweak
A command-line tool that patches the WeChat macOS client to add features like preventing message revocation, blocking automatic updates, an…
6513840active
Fluentd
Fluentd is an open-source data collector that unifies log and event collection from many sources and routes them to files, databases, cloud…
9413606stable
MeterSphere
MeterSphere is an open-source continuous testing platform with a built-in AI assistant for generating test cases. It combines test case man…
9413584active
jackyzha0/quartz
Quartz is a fast, batteries-included static-site generator written in TypeScript that transforms Markdown content into fully functional web…
6713409active
darktable
darktable is an open-source photography workflow application and non-destructive raw developer, acting as a virtual lighttable and darkroom…
9513262stable
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…
2913071active
Stash
Stash is a self-hosted web application written in Go that organizes, tags, and streams personal video and image collections through a brows…
8813034active
mapeditor/tiled
Tiled is a free, open-source, general-purpose tile map editor for tile-based games, supporting orthogonal, isometric, and hexagonal maps wi…
8812978stable
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…
9412935active
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, …
7912629active

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