Open-source editor software
1354 open-source libraries, tools and applications tagged editor, ranked by how closely editor 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.
1354 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Code52/DownmarkerWPF MarkPad (formerly DownmarkerWPF) is a visual Markdown editor for Windows built with WPF, featuring real-time side-by-side preview, spellche… | 32 | 1443 | abandoned |
| pusher/atom-pair AtomPair is an Atom editor package that enables real-time remote pair programming by synchronizing editor tabs and syntax highlighting betw… | 23 | 1433 | abandoned |
| mozilla/thimble.mozilla.org Thimble was Mozilla's browser-based code editor for learning and teaching HTML, CSS, and JavaScript, with built-in publishing of web pages.… | 10 | 1426 | abandoned |
| fex-team/umeditor UMeditor is a lightweight mini version of Baidu's UEditor rich text editor, built in JavaScript for embedding WYSIWYG editing into web page… | 23 | 1425 | abandoned |
| jistr/vim-nerdtree-tabs A Vim plugin that integrates the NERDTree file explorer with Vim's tab system, presenting NERDTree as a single persistent panel shared acro… | 10 | 1417 | abandoned |
| angular-ui/AngularJS-sublime-package A Sublime Text package providing AngularJS code completion, snippets, go-to-definition, and quick panel search. It indexes projects to offe… | 10 | 1401 | abandoned |
| rust-lang/vscode-rust A deprecated Visual Studio Code extension that adds Rust language support via the Rust Language Server (RLS) or rust-analyzer. It provides … | 10 | 1398 | abandoned |
| t9md/atom-vim-mode-plus An Atom editor package providing improved Vim emulation (modal editing, motions, text objects, surround, occurrence modifier) as a replacem… | 32 | 1387 | abandoned |
| Raival-e/Prism-File-Explorer Prism File Explorer is a modern, lightweight file manager for Android built entirely with Kotlin and Jetpack Compose, featuring a Material … | 59 | 1371 | abandoned |
| vmihalachi/turbo-editor Turbo Editor is a simple and powerful open-source text and file editor application for Android, written in Java and licensed under GPLv3. I… | 23 | 1364 | abandoned |
| microsoft/TouchDevelop TouchDevelop is a touch-friendly, mobile-first app creation environment from Microsoft Research, including a browser-based editor, compiler… | 10 | 1360 | abandoned |
| AuroraEditor/AuroraEditor Aurora Editor is a community-built, native macOS IDE written in Swift/SwiftUI, offering Xcode-like development with multi-language support … | 10 | 1333 | abandoned |
| chinakids/atom-simplified-chinese-menu A Simplified Chinese localization package for the Atom editor that translates menus, context menus, and the settings interface. It was the … | 23 | 1327 | abandoned |
| alibaba/web-editor WEditor is a browser-based UI script editor from the openatx smartphone testing ecosystem, letting users inspect device UI hierarchies and … | 10 | 1324 | abandoned |
| macoscope/CodePilot Code Pilot is an Xcode plugin that lets developers quickly find files, methods, and symbols in their project using fuzzy query matching, ju… | 32 | 1317 | abandoned |
| mduvall/grande.js grande.js is a small JavaScript library that replicates Medium's in-browser rich text editing experience using contenteditable elements. It… | 32 | 1298 | abandoned |
| cxxd A Vim-based integrated development environment for C/C++ that layers Clang-powered code intelligence over the editor via a client-server ar… | 10 | 1285 | abandoned |
| rubyide/vscode-ruby A monorepo of Visual Studio Code extensions providing Ruby language support, including syntax highlighting, snippets, linting, formatting, … | 10 | 1255 | abandoned |
| artursapek/mondrian Mondrian is a web-based vector graphics editor for creating, editing, and exporting simple SVG files, written in CoffeeScript. It offers pe… | 10 | 1236 | abandoned |
| atom/markdown-preview An Atom editor package that renders a live HTML preview of Markdown files alongside the editor, toggled with ctrl-shift-m. It supports comm… | 10 | 1226 | abandoned |
| Lin Lin is an Xcode plugin that provides auto-completion for NSLocalizedString and related localization functions in Objective-C and Swift. It … | 10 | 1219 | abandoned |
| pdcgomes/XCActionBar An Xcode plugin that provides an Alfred/Spotlight-style action bar for quickly executing menu commands, code snippets, text transformations… | 32 | 1198 | abandoned |
| microsoft/vscode-arduino A Visual Studio Code extension for developing, building, and uploading Arduino sketches, with IntelliSense, board/library managers, and a s… | 10 | 1192 | abandoned |
| ivarptr/yu-writer.site Yu Writer is a feature-rich, efficient markdown text editor for desktop platforms. This repository hosts the project's website and landing … | 10 | 1174 | abandoned |
| facebookarchive/atom-in-orbit A project that runs the Atom desktop text editor in the Chrome browser, built from Atom's source to be as faithful as possible to the deskt… | 10 | 1169 | abandoned |
| koomai/phpstorm-laravel-live-templates A collection of Laravel live templates (code snippets) for PhpStorm and IntelliJ IDEs, covering routes, Blade, schema builder, requests, ca… | 10 | 1166 | abandoned |
| nvarner/typst-lsp A deprecated language server for the Typst typesetting language, written in Rust, with a companion VS Code extension. It provides syntax hi… | 10 | 1151 | abandoned |
| lospec/pixel-editor A free browser-based pixel art editor built for Lospec.com, offering pencil, eraser, fill, eyedropper, zoom, and palette tools on an HTML c… | 32 | 1137 | abandoned |
| Norbert515/flutter_ide A visual editor (the Widget-Maker) for building Flutter widget trees via drag-and-drop on a canvas, with code generation of the resulting D… | 23 | 1136 | abandoned |
| facebookarchive/sublime-react A Sublime Text plugin providing React/JSX code snippets, formerly also providing JSX syntax highlighting. Syntax highlighting is deprecated… | 10 | 1133 | abandoned |
| shagabutdinov/sublime-enhanced A collection of plugins for the Sublime Text editor focused on mouseless usage, improved code and file navigation, and automation of common… | 32 | 1129 | abandoned |
| TypeStrong/atom-typescript A TypeScript language plugin for the Atom editor providing autocomplete, live error analysis, type info on hover, and compile-on-save via t… | 23 | 1124 | abandoned |
| fatih/subvim subvim is a preconfigured Vim distribution that emulates Sublime Text's look, feel, and keyboard shortcuts, including multiple cursors, Got… | 10 | 1122 | abandoned |
| lauthieb/code-notes Code Notes is a desktop code snippet and GitHub gist manager built with Electron and Vue.js. It lets developers store multiple snippets per… | 10 | 1051 | abandoned |
| kolinkrewinkel/Polychromatic An Xcode plugin that provides semantic syntax highlighting, assigning unique dynamic colors to properties, ivars, and local variables. It d… | 23 | 1040 | abandoned |
| ivanov/vim-ipython A Vim plugin providing two-way integration with IPython kernels over ZeroMQ, letting users send lines or files for execution and get object… | 32 | 1038 | abandoned |
| nondanee/vsc-netease-music An unofficial Netease Cloud Music player extension for Visual Studio Code that streams and plays songs inside the editor using a Webview an… | 32 | 1038 | abandoned |
| ethereum/remix-desktop Remix Desktop is an Electron-based desktop version of the Remix IDE for Ethereum smart contract development, offering native filesystem acc… | 10 | 1035 | abandoned |
| cheeaun/mooeditable MooEditable is a lightweight web-based WYSIWYG rich text editor built on the MooTools JavaScript framework. It turns a textarea element int… | 10 | 1035 | abandoned |
| ervandew/eclim Eclim brings Eclipse IDE functionality (code completion, validation, navigation) into the Vim editor via a Java-based server. The project r… | 10 | 1034 | abandoned |
| maqetta/maqetta Maqetta is a browser-based WYSIWYG authoring tool for designing HTML5 desktop and mobile user interfaces via drag-and-drop assembly. It inc… | 23 | 1025 | abandoned |
| stefanceriu/SCXcodeMiniMap An Xcode plugin that adds a Sublime Text-style source editor minimap to Xcode, with customizable themes, sizes, and highlighting for search… | 23 | 1013 | abandoned |
| headmelted/codebuilds Community-built distributions of Visual Studio Code for ARM devices such as Chromebooks and Raspberry Pi. The project is now obsolete, as M… | 23 | 1012 | abandoned |
| xolox/vim-easytags A Vim plugin that automatically generates and updates Exuberant Ctags tag files as you edit, and dynamically syntax-highlights tags in supp… | 32 | 1002 | abandoned |
| chrisdone-archive/intero Intero was an Emacs-integrated interactive development environment for Haskell, pairing an Emacs Lisp package with a stack-managed backend … | 10 | 997 | abandoned |
| Tabby Tabby is a self‑hosted AI coding assistant that provides LLM‑powered code completion, inline chat, and answer engine capabilities. It runs … | 76 | 33888 | active |
| ScreenToGif ScreenToGif is a free desktop application that records a selected area of your screen, webcam, or sketchboard and lets you edit the capture… | 85 | 27680 | active |
| Node-RED Node-RED is a low-code, flow-based programming tool that lets you wire together hardware devices, APIs and online services. It provides a b… | 96 | 23680 | active |
| marimo marimo is a reactive Python notebook stored as pure Python files, where running a cell automatically re-runs dependent cells to keep code a… | 92 | 23280 | active |
| wavetermdev/waveterm Wave Terminal is an open-source, cross-platform terminal emulator with integrated AI assistance, durable SSH sessions, file previews, a bui… | 89 | 22405 | active |
| YishenTu/claudian Claudian is an Obsidian plugin that embeds AI coding agents like Claude Code, Codex, Grok, and OpenCode directly into your vault. It turns … | 80 | 15722 | active |
| wmjordan/PDFPatcher PDFPatcher is a free Windows PDF toolbox built on .NET with iText and MuPDF, offering bookmark editing, page cropping/rotation, merging and… | 64 | 12710 | active |
| openchamber/openchamber OpenChamber is an open-source agentic development environment providing a visual workspace (desktop app, web/PWA, and VS Code extension) fo… | 81 | 11812 | active |
| JOYCEQL/magic-resume Magic Resume is a free online AI-powered resume editor built with TanStack Start, TypeScript, and Framer Motion. It offers real-time previe… | 91 | 11103 | active |
| 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 … | 83 | 10340 | active |
| gitkraken/vscode-gitlens GitLens is an open-source VS Code extension that supercharges Git with blame annotations, CodeLens, an interactive Commit Graph, rich histo… | 98 | 9943 | active |
| open-pencil/open-pencil OpenPencil is an open-source, AI-native design editor that opens and writes native Figma (.fig) files, with built-in AI chat that can creat… | 83 | 9153 | active |
| reorproject/reor Reor is a local-first, AI-powered desktop note-taking app that automatically links related notes, answers questions over your notes via RAG… | 10 | 8549 | active |
| golang/tools The golang.org/x/tools module provides packages and commands for static analysis of Go programs, including SSA IR, call graphs, and a modul… | 95 | 8007 | active |
| massCode massCode is a free, open-source, local-first desktop developer workspace built with Electron and Vue. It combines a code snippet library, M… | 99 | 7086 | active |
| klange/toaruos ToaruOS is a complete, independent hobby operating system for x86-64 PCs and ARMv8 VM environments, built entirely from original code with … | 92 | 6863 | active |
| stagewise-io/stagewise Stagewise is an open-source agentic IDE with a built-in coding agent that can see live app context, run git workflows, and orchestrate mult… | 80 | 6823 | active |
| Defold Defold is a free, source-available, cross-platform game engine for building 2D and lightweight 3D games for desktop, mobile, web, and conso… | 98 | 6357 | active |
| dnSpy dnSpy is a Windows GUI application for debugging and editing .NET and Unity assemblies without needing source code. It combines a debugger,… | 10 | 29672 | maintenance |
| nesbox/TIC-80 TIC-80 is a free, open-source fantasy computer for making, playing, and sharing tiny retro games. It bundles code, sprite, map, and sound e… | 85 | 6135 | active |
| likec4/likec4 LikeC4 is a modeling language (DSL) and toolchain for describing software architecture as code, inspired by the C4 Model and Structurizr DS… | 94 | 5930 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| breaking-brake/cc-wf-studio CC Workflow Studio is a VSCode extension (with companion CLI and MCP packages) for visually designing AI agent workflows on a canvas and ex… | 75 | 5394 | active |
| supabase-community/postgres-language-server A Language Server Protocol implementation and toolchain for Postgres SQL, built on libpg_query for 100% syntax compatibility. It provides e… | 95 | 5260 | active |
| Racket Racket is a mature, general-purpose programming language and ecosystem designed for language-oriented programming, with a core implementati… | 87 | 5215 | stable |
| obgnail/typora_plugin A feature-enhancement plugin suite for the Typora Markdown editor, implemented natively in JavaScript on Electron/Node.js. It adds capabili… | 89 | 4630 | active |
| phodal/auto-dev AutoDev is an AI-native multi-agent coding development platform built on Kotlin Multiplatform, distributed as an IntelliJ IDEA plugin, VS C… | 79 | 4548 | active |
| Emmet Emmet is a core library for parsing and expanding CSS-like abbreviations into HTML, CSS, and other markup/stylesheet code fragments. It pow… | 63 | 4543 | active |
| johnlindquist/kit Script Kit is an open-source, cross-platform desktop app for creating and running TypeScript/JavaScript scripts that automate daily workflo… | 55 | 4191 | active |
| APKLab/APKLab APKLab is a VS Code extension that turns the editor into an Android reverse-engineering workbench by integrating Apktool, Jadx, uber-apk-si… | 70 | 4002 | active |
| atopile/atopile atopile is a language, compiler, and toolchain for designing electronic circuit boards as code using declarative .ato files. It provides de… | 67 | 3976 | active |
| amzeratul/halley Halley is a lightweight, code-first game engine written in modern C++17, featuring a true entity-component-system architecture, modern grap… | 77 | 3866 | active |
| OXY2DEV/markview.nvim A hackable Neovim plugin that renders live previews of Markdown, LaTeX, Typst, inline HTML, YAML, and AsciiDoc directly inside the editor. … | 82 | 3647 | active |
| alibaba/designable Designable is a React-based library for building visual designers and low-code/no-code builders, such as form, table, chart, and app builde… | 26 | 3525 | active |
| davidmonterocrespo24/velxio Velxio is an open-source browser-based emulator and circuit simulator for Arduino, ESP32, Raspberry Pi, STM32 and other embedded boards, ru… | 80 | 3260 | active |
| ananthakumaran/paisa Paisa is a self-hosted personal finance manager that provides a web/desktop GUI on top of the ledger plain-text double-entry accounting too… | 86 | 3222 | active |
| ExplosiveCoderflome/AI-Novel-Writing-Assistant An AI-native open-source workspace for producing complete long-form novels, orchestrating planning, worldbuilding, character assets, chapte… | 84 | 3202 | active |
| ingokegel/jclasslib jclasslib is a desktop GUI tool that visualizes and edits compiled Java class files and their bytecode, including constant pool entries and… | 76 | 2996 | active |
| jekyll/jekyll-admin A Jekyll plugin that adds a CMS-style graphical admin interface for authoring content and managing Jekyll sites. It consists of a Ruby-base… | 30 | 2926 | active |
| zk zk is a command-line note-taking assistant for maintaining a plain text Zettelkasten or personal wiki in Markdown. It offers templated note… | 89 | 2827 | active |
| flix/flix Flix is a statically typed, effect-oriented programming language that combines functional, imperative, and logic programming paradigms, dev… | 99 | 2758 | active |
| Python LSP Server A Python 3.9+ implementation of the Language Server Protocol, maintained by the Spyder IDE team as a community fork of python-language-serv… | 73 | 2599 | active |
| git-cola/git-cola Git Cola is a powerful, slick graphical user interface for Git built with Python and PyQt/PySide via QtPy. It includes a main commit/stagin… | 90 | 2584 | active |
| mlt131220/Astral3D Astral 3D Editor is a free, open-source web-based 3D engine and editor built on Vue3 and Three.js. It supports 30+ model formats, BIM light… | 67 | 2499 | active |
| RyotaUshio/obsidian-pdf-plus PDF++ is an Obsidian.md community plugin that upgrades Obsidian's built-in PDF viewer into a full annotation and viewing tool. It lets user… | 43 | 2479 | active |
| 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 |
| tamasfe/taplo Taplo is a versatile TOML v1.0.0 toolkit written in Rust, providing a parser, analyzer, and formatter usable as a library, CLI, VS Code ext… | 73 | 2403 | active |
| hua1995116/react-resume-site Muji Resume is an online resume builder that lets users write resumes in Markdown and render them into polished templates with live PDF pre… | 32 | 2311 | active |
| tianma-if/edgeever EdgeEver is an open-source, self-hosted Evernote alternative note-taking application with a classic three-pane layout, rich text/Markdown e… | 77 | 2264 | active |
| tentone/nunuStudio nunuStudio is an open-source, web-powered 3D game engine built on three.js, featuring a fully featured visual editor with scene editing, co… | 52 | 2232 | active |
| rubberduck-vba/Rubberduck Rubberduck is a COM add-in that modernizes the legacy Visual Basic Editor (VBE) used for VBA and VB6 development. It provides static code a… | 10 | 2126 | active |
| arcsin1/oh-my-ppt Oh My PPT is a local-first, open-source desktop application (Electron + React + TypeScript) that uses AI to generate editable HTML-based pr… | 80 | 2104 | active |
| coder/xum Xum (formerly Mux) is an open-source desktop application for running multiple AI coding agents in parallel, each in its own isolated worksp… | 81 | 2057 | active |
| Gentleman-Programming/Gentleman.Dots A dotfiles configuration installer that sets up a complete terminal development environment including Neovim (LazyVim), multiple shells, te… | 85 | 2036 | active |
| coderaiser/cloudcmd Cloud Commander is a web-based file manager with a dual-panel interface, built-in console, and text editors, served by a Node.js server. It… | 93 | 2034 | active |