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

function: editor

1314 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
nexu-io/html-anything
HTML Anything is a local-first, agentic HTML editor that drives coding-agent CLIs you already have authenticated (Claude Code, Cursor, Code…
588474active
coteditor/CotEditor
CotEditor is a lightweight, open-source plain text editor built natively for macOS using Swift and Cocoa. It offers syntax highlighting for…
988413active
photopea/photopea
Photopea is a free online image editor for raster and vector graphics that runs entirely in the browser, supporting PSD, AI, Sketch, and do…
458405active
joemccann/dillinger
Dillinger is a browser-based Markdown editor with live preview, built on Next.js and the Monaco editor (VS Code's core). It supports cloud …
628272active
folke/tokyonight.nvim
Tokyo Night is a dark and light Neovim colorscheme written in Lua, ported from the VS Code TokyoNight theme. It supports LSP, Treesitter, a…
718177stable
hediet/vscode-debug-visualizer
A VS Code extension that provides a visual watch window for inspecting data structures during debugging. It evaluates debug expressions and…
378168active
windingwind/zotero-better-notes
Better Notes is a Zotero plugin for comprehensive note management, adding an enhanced note editor, note linking, templates, and two-way Mar…
958136active
jagenjo/litegraph.js
A JavaScript library for creating node-based graph engines similar to Unreal Blueprints or Pure Data, with an HTML5 Canvas2D editor include…
238114active
PixiEditor/PixiEditor
PixiEditor is a free, open-source, cross-platform desktop 2D graphics editor built in C# with Avalonia. It combines pixel art, painting, an…
997999active
ikuaitu/vue-fabric-editor
An open-source web-based image and graphic editor built on fabric.js and Vue 3 with a plugin-based architecture. It supports custom fonts, …
657946active
fontforge/fontforge
FontForge is a free (libre) font editor for creating, editing, and converting fonts. It supports OpenType, TrueType, UFO, CID-keyed, Multip…
707913active
macvim-dev/macvim
MacVim is a macOS port of the Vim text editor that provides a native graphical interface while staying closely synced with upstream Vim. It…
827879active
codemirror/dev
CodeMirror is an extensible code editor component for the web, implemented as a set of modular npm packages providing syntax highlighting, …
107821active
SVG-Edit/svgedit
SVGEdit is a fast, web-based SVG drawing editor that runs in any modern browser, built on the @svgedit/svgcanvas library. It can be used di…
667803active
electron/fiddle
Electron Fiddle is a desktop sandbox app for creating and running small Electron experiments with a built-in Monaco editor and automatic El…
827757active
draw.io
drawio-desktop is the official Electron-based desktop application wrapping the draw.io diagramming editor, distributed as installers and po…
957738stable
vscode-neovim/vscode-neovim
A VSCode extension that provides full Vim/Neovim modal editing inside Visual Studio Code by embedding a real Neovim instance as the backend…
917724active
SirVer/ultisnips
UltiSnips is a fast, feature-rich snippet engine plugin for Vim and Neovim. It supports placeholder tabstops, mirrored text, dynamic tabsto…
787698stable
zsviczian/obsidian-excalidraw-plugin
An Obsidian plugin that integrates the Excalidraw sketching and diagramming tool into Obsidian vaults. It lets users create, edit, store, a…
947505active
nvim-neorg/neorg
Neorg is a Neovim plugin for structured note taking, task and project management, time tracking, and document writing, all built on a singl…
917482active
glushchenko/fsnotes
FSNotes is a fast, native open-source note-taking app for macOS and iOS built around plain Markdown and plaintext files stored in user-cont…
997456active
hedgedoc/hedgedoc
HedgeDoc (formerly CodiMD) is an open-source, self-hosted, web-based collaborative markdown editor supporting real-time co-editing, diagram…
957381stable
mfussenegger/nvim-dap
nvim-dap is a Debug Adapter Protocol (DAP) client implementation for Neovim, written in Lua. It lets users launch or attach to applications…
657229stable
eclipse-che/che
Eclipse Che is a Kubernetes-native platform that provides cloud development environments (workspaces) running in containers, with browser-b…
987161active
purcell/emacs.d
A batteries-included Emacs configuration bundle maintained since 2000, providing sensible defaults and rich language support for web and fu…
777072active
lewis6991/gitsigns.nvim
A Neovim plugin written in Lua that provides deep Git integration for buffers, showing signs for added, changed, and deleted lines in the s…
867063stable
elementor/elementor
Elementor is an open-source WordPress plugin providing an advanced front-end drag-and-drop page builder for creating pixel-perfect websites…
957062active
qvacua/vimr
VimR is a native macOS GUI for Neovim written in Swift, embedding Neovim inside a Cocoa app with convenient GUI features. It also ships reu…
946989active
Sigil-Ebook/Sigil
Sigil is a free, open-source, multi-platform EPUB ebook editor built with Qt6 and QtWebEngine. It supports editing both ePub 2 and ePub 3 b…
936936active
facebook/pyrefly
Pyrefly is a fast Python type checker and language server written in Rust, providing CLI-based type checking plus IDE features like code na…
866906stable
folke/trouble.nvim
A Neovim plugin that provides a pretty, configurable list view for diagnostics, LSP references/symbols, quickfix and location lists, and te…
566884active
openstyles/stylus
Stylus is a browser extension for Chrome, Firefox, and Chromium-based browsers that lets users restyle websites by installing and managing …
996848active
stevearc/oil.nvim
oil.nvim is a Neovim plugin that provides a file explorer letting you edit your filesystem like a normal buffer. Changes such as renames, m…
836845active
Pry
Pry is a runtime developer console and IRB alternative for Ruby with powerful introspection capabilities such as source and documentation b…
746836stable
purocean/yn
Yank Note is a highly extensible desktop Markdown editor built on Electron and the Monaco editor, with features like version control, docum…
966744active
pawelsalawa/letos
Letos (formerly SQLiteStudio) is a free, open-source, cross-platform desktop application for creating, browsing, and editing SQLite databas…
986717active
vuejs/language-tools
Vue Language Tools is the official language tooling monorepo for Vue.js, providing a VS Code extension, a language server, and the vue-tsc …
996714active
Acode-Foundation/Acode
Acode is a powerful open-source text and code editor for Android devices, built with Cordova/JavaScript. It supports editing many languages…
996701active
rizonesoft/Notepad3
Notepad3 is a fast, lightweight, open-source text editor for Windows built on the Scintilla editing component, based on Notepad2 and Notepa…
866604active
hinesboy/mavonEditor
mavonEditor is a Vue-based markdown editor component supporting Vue 2 and Vue 3, with live preview, dual-pane editing, and customizable too…
276578active
fkling/astexplorer
A web-based tool for exploring the abstract syntax trees (ASTs) generated by dozens of parsers for JavaScript, CSS, HTML, GraphQL, YAML, an…
236542active
saghen/blink.cmp
blink.cmp is a performant, batteries-included autocompletion plugin for Neovim supporting LSP, cmdline, signature help, and snippets. It fe…
836533active
tconbeer/harlequin
Harlequin is a terminal-based SQL IDE built in Python with Textual, providing a TUI for querying and browsing databases. It supports many d…
976351active
lervag/vimtex
VimTeX is a modern filetype and syntax plugin for Vim and Neovim that provides comprehensive LaTeX editing support. It offers compilation v…
866351active
wasabeef/richeditor-android
A rich text WYSIWYG editor component library for Android, built in Java and distributed via Maven Central. It provides a WebView-based edit…
326347stable
lite-xl/lite-xl
Lite XL is a lightweight, fast text and code editor written in C and Lua, forked from rxi/lite. It is highly extensible via Lua plugins and…
586340active
github/CopilotForXcode
GitHub Copilot for Xcode is an AI coding assistant plugin for Xcode providing code completions, chat, agent mode, and code review for Swift…
886285active
codesandbox/sandpack
Sandpack is a component toolkit by CodeSandbox for embedding live-running code editing experiences into web applications and documentation.…
426223active
preservim/tagbar
Tagbar is a Vim/NeoVim plugin that shows a sidebar displaying ctags-generated tags of the current file, ordered by scope, to give an overvi…
716222stable
epwalsh/obsidian.nvim
A Neovim plugin written in Lua for writing and navigating Obsidian markdown vaults directly from the editor. It provides autocompletion for…
616181active
tpope/vim-commentary
commentary.vim is a minimalist Vim plugin that adds comment toggling via the gc operator, supporting motions, visual selections, counts, an…
326156stable
microsoft/vscode-cpptools
The official Microsoft C/C++ extension for Visual Studio Code, providing IntelliSense editing, code navigation, and debugging support for C…
996150active
jerosoler/Drawflow
Drawflow is a lightweight, dependency-free JavaScript library for building node-based flow editors in the browser. It lets users drag nodes…
236106stable
glacambre/firenvim
Firenvim is a browser extension plus Neovim plugin that embeds a Neovim client inside Firefox and Chrome, replacing textareas with a full N…
816105active
graphql-editor/graphql-editor
GraphQL Editor is an open-source visual editor and IDE for designing, exploring, and documenting GraphQL schemas using a node-based visual …
516066active
gsantner/markor
Markor is a lightweight, offline text editor for Android supporting Markdown, todo.txt, Zim/WikiText, org-mode, AsciiDoc, and plaintext for…
876033active
Org-roam
Org-roam is a plain-text personal knowledge management system for Emacs that replicates Roam Research's networked note-taking features usin…
656015active
toeverything/blocksuite
BlockSuite is a TypeScript toolkit of headless editor frameworks, web components, and editors for building content editing and collaborativ…
795992active
Dman95/SASM
SASM (SimpleASM) is a simple open-source cross-platform IDE for writing and running programs in NASM, MASM, GAS, and FASM assembly language…
635984active
prasathmani/tinyfilemanager
Tiny File Manager is a single-file PHP web application for managing files and folders through a browser, with upload, download, editing, pr…
655967active
silverbulletmd/silverbullet
SilverBullet is a self-hosted, browser-based personal knowledge management app that stores notes as Markdown pages with wiki-style bidirect…
985930active
codemirror/codemirror5
CodeMirror 5 is a versatile in-browser code editor library written in JavaScript, featuring over 100 language modes, syntax highlighting, a…
1027233maintenance
HexFiend/HexFiend
Hex Fiend is a fast, open-source hex editor for macOS that supports inserting, deleting, and rearranging bytes in files of virtually any si…
395884active
pbek/QOwnNotes
QOwnNotes is an open-source plain-text Markdown notepad and todo-list manager for Linux, macOS, and Windows, built with Qt/C++. Notes are s…
955851stable
GoogleChromeLabs/ProjectVisBug
VisBug is an open-source browser extension that brings design-tool interactions to any live webpage, letting designers point, click, multi-…
665769active
vim-polyglot/vim-polyglot
A Vim plugin that bundles 598 hand-selected language packs for syntax highlighting and indentation. It loads scripts on demand to avoid slo…
405713active
nvim-neo-tree/neo-tree.nvim
Neo-tree.nvim is a Neovim plugin for browsing and managing the file system and other tree-like structures. It supports sidebar, floating wi…
945571active
MarkEdit-app/MarkEdit
MarkEdit is a free, open-source native macOS Markdown editor built with Swift and CodeMirror 6, designed to feel like TextEdit but dedicate…
975532active
python-mode/python-mode
Python-mode is a Vim plugin that turns Vim into a Python IDE, bundling linting, formatting, code completion, refactoring, documentation loo…
605465active
prompt-toolkit/ptpython
ptpython is an advanced Python REPL built on top of prompt_toolkit, offering syntax highlighting, multiline editing, autocompletion, and Vi…
555450active
altair-graphql/altair
Altair is a feature-rich GraphQL client IDE for running queries, mutations, and subscriptions, with schema documentation, environments, fil…
985427active
froala/wysiwyg-editor
Froala is a commercial JavaScript WYSIWYG HTML rich text editor with 30+ plugins and integrations for frameworks like React, Vue, and Angul…
945401active
heyman/heynote
Heynote is a dedicated scratchpad and note-taking desktop app for developers and power users, built as a large persistent text buffer divid…
925359active
bbatsov/prelude
Prelude is an enhanced Emacs distribution built on Emacs Lisp that bundles curated packages, sane defaults, and a modular configuration lay…
785327active
stevearc/conform.nvim
conform.nvim is a lightweight yet powerful code formatter plugin for Neovim. It wraps external formatter binaries and LSP formatting into a…
705319active
Yqnn/svg-path-editor
A browser-based editor for creating and manipulating SVG path data with interactive point editing, command conversion, and path operations …
725306active
tpope/vim-sensible
sensible.vim is a Vim plugin providing a universal set of sane default settings, one step above 'nocompatible' mode. It serves as a neutral…
325299stable
Automattic/simplenote-electron
The official Simplenote desktop and web client, a React application packaged with Electron for Windows, Linux, and the browser. It syncs no…
925266active
cordx56/rustowl
RustOwl is a tool that visualizes ownership movement and variable lifetimes in Rust code using colored underlines, helping with debugging b…
845198active
notable/notable
Notable is a cross-platform Markdown-based note-taking desktop app built with Electron and React. Notes are plain GitHub Flavored Markdown …
2323500maintenance
emacs-mirror/emacs
GNU Emacs is the extensible, customizable, self-documenting real-time display text editor built around an Emacs Lisp interpreter. It suppor…
775170stable
Hufe921/canvas-editor
A Canvas/SVG-based WYSIWYG rich text editor library for the browser, offering Word-like paginated editing with tables, controls, watermarks…
775152active
emacs-lsp/lsp-mode
lsp-mode is an Emacs client for the Language Server Protocol, providing IDE-like features such as completion, diagnostics, code navigation,…
785118active
StackEdit
StackEdit is a full-featured, open-source, in-browser Markdown editor based on PageDown, with live preview, scroll sync, and support for GF…
2323067maintenance
Exafunction/windsurf.vim
windsurf.vim is a Vim and Neovim plugin providing free, AI-powered code autocomplete as a Copilot alternative. It integrates the Windsurf (…
655106active
zigtools/zls
ZLS is a non-official Language Server Protocol implementation for Zig, written in Zig. It provides IDE features such as autocomplete, goto …
835092active
NaoTu/DesktopNaotu
DesktopNaotu is a cross-platform offline desktop mind mapping tool based on Baidu Naotu, supporting Windows, Linux, and macOS. It works wit…
535079stable
rstudio/rstudio
RStudio is an integrated development environment (IDE) for the R programming language, providing a customizable workbench with console, edi…
775045stable
ggandor/leap.nvim
Leap.nvim is a Neovim plugin that provides fast, precise cursor motion via labeled jumps, letting users navigate anywhere on screen with a …
765029active
colanode/colanode
Colanode is an open-source, local-first collaboration workspace combining real-time chat, rich-text pages/wikis, customizable databases, an…
725029active
preservim/nerdcommenter
NERD Commenter is a Vim/Neovim plugin that provides powerful commenting functions for many filetypes. It leverages filetype plugins and 'co…
475006stable
lukas-reineke/indent-blankline.nvim
A Neovim plugin written in Lua that adds indentation guides to the editor using virtual text. It supports scope highlighting via treesitter…
754991active
KDE/ghostwriter
ghostwriter is a distraction-free text editor for Markdown built with Qt, developed under KDE. It provides a calm writing environment for b…
674972active
zufuliu/notepad4
Notepad4 is a lightweight Scintilla-based text editor for Windows, rewritten in modern C++ from Notepad2 and Notepad2-mod, with syntax high…
954935active
fastmail/Squire
Squire is a lightweight (16KB gzipped, zero-dependency) HTML5 rich text editor built in TypeScript that treats arbitrary HTML as the source…
774908stable
lokalise/i18n-ally
i18n Ally is an all-in-one internationalization (i18n) extension for VS Code that supports many popular frameworks and locale file formats.…
304895active
Achilng/floral-notepaper
Floral Notepaper (花笺) is a lightweight, elegant cross-platform desktop sticky-note tool built with Tauri 2 and React. It supports Markdown …
774885active
honza/vim-snippets
A community-maintained collection of snippet files for many programming languages, in both snipMate and UltiSnips formats, for use with Vim…
454883active
mg979/vim-visual-multi
A multiple cursors plugin for Vim and Neovim, analogous to visual-block but driven mostly from normal mode. It supports cursor/extend modes…
324877stable
Tencent/cherry-markdown
Cherry Markdown Writer is a lightweight, out-of-the-box JavaScript Markdown editor component that runs in the browser or Node.js. It offers…
994855active

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