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
vkbo/novelWriter
novelWriter is an open source plain text editor designed for writing novels assembled from many smaller text documents. It uses a Markdown-…
983091active
yoopta-editor/Yoopta-Editor
Yoopta-Editor is an open-source React rich-text editor library for building Notion-like, Craft-like, and Coda-like editing experiences. It …
833082active
willcrichton/flowistry
Flowistry is a Rust IDE plugin (VS Code extension plus rustc plugin) that performs modular information flow analysis to determine which cod…
633071active
Ionaru/easy-markdown-editor
EasyMDE is an embeddable JavaScript Markdown editor that replaces plain textareas with a toolbar-driven editing experience featuring live s…
763066active
qt-creator/qt-creator
Qt Creator is a cross-platform integrated development environment (IDE) built by the Qt project for developing applications in C++ (and oth…
983065active
dotnet/vscode-csharp
The official C# extension for Visual Studio Code, providing rich language support via a Language Server Protocol server powered by Roslyn a…
963064active
Remix IDE
Remix Project is a browser-based IDE and compiler toolset for developing, deploying, and debugging Ethereum smart contracts in Solidity and…
993041active
lem-project/lem
Lem is a general-purpose text editor and IDE written in and extensible with Common Lisp, offering Emacs/Vim-style keyboard workflows, built…
663032active
athasdev/athas
Athas is a lightweight, cross-platform code editor built with Tauri (Rust backend, React frontend) that integrates Git/GitHub workflows, an…
853027active
sublimehq/Packages
The official collection of syntax highlighting packages shipped with Sublime Text and Sublime Merge, written in the sublime-syntax format. …
773014active
JSON Editor
A web-based JSON editor library to view, edit, format, repair, compare, query, and validate JSON, usable as an embeddable component in web …
7612263maintenance
phcode-dev/phoenix
Phoenix Code is a free, open-source code editor and successor to Adobe Brackets, focused on web development (HTML, CSS, JavaScript) with li…
942972active
omdsh-dev/DSH-better-sidebar
A DSH web plugin providing a VSCode-like right sidebar and bottom panel workbench with built-in file explorer/editor, terminal, Git panel, …
792968active
tpope/vim-abolish
A Vim plugin by Tim Pope that works with variants of a word at once, combining three features: smart abbreviations, case-aware substitution…
322957stable
joaotavora/yasnippet
YASnippet is a template system for Emacs that expands abbreviations into code snippets with placeholder fields. It supports a TextMate-like…
442956stable
haskell/haskell-language-server
The official Haskell language server implementing the Language Server Protocol, providing IDE features like diagnostics, completions, and r…
842952active
kevinhwang91/nvim-ufo
A Neovim plugin that modernizes code folding with high performance, using LSP FoldingRange for accurate folds and offering fold peeking and…
502949active
jaredreich/pell
pell is an extremely small (~1.4kB min+gzip) dependency-free WYSIWYG rich text editor for the web, built on contenteditable with pure ES6 J…
2312045maintenance
uiwjs/react-md-editor
A React markdown editor component with live preview, written in TypeScript. It provides a textarea-based editing experience with rendered m…
942921active
singerdmx/flutter-quill
Flutter Quill is a WYSIWYG rich text editor and Quill component for Flutter, supporting Android, iOS, web, and desktop platforms. It provid…
902914active
KiCad/kicad-source-mirror
KiCad is a cross-platform open-source EDA (Electronic Design Automation) suite for designing printed circuit boards and schematics, includi…
932901active
ephtracy/ephtracy.github.io
This is the project website for Ephtracy's MagicaVoxel, a free standalone voxel editor and renderer for creating 3D voxel art. It provides …
662891active
klembot/twinejs
Twine is an open-source tool for writing and publishing interactive, nonlinear stories without needing to code, available as a desktop app …
832869active
LightTable/LightTable
Light Table is a next-generation code editor and IDE built with ClojureScript that provides instant feedback by connecting code execution t…
1011689maintenance
mathquill/mathquill
MathQuill is an open-source web formula editor library that lets users easily type and render mathematical notation in a webapp, with LaTeX…
342865active
beefytech/Beef
Beef is an open-source, performance-oriented compiled programming language derived from C# syntax with C-style low-level control, bundled w…
672846active
roslynpad/roslynpad
RoslynPad is a cross-platform C# code editor and runner built on the Roslyn compiler platform and an Avalonia-based editor. It provides IDE…
982812active
nvim-treesitter/nvim-treesitter-textobjects
A Neovim plugin that provides syntax-aware text objects using tree-sitter queries, supporting select, move, swap, and peek operations on co…
742812active
bash-lsp/bash-language-server
A Language Server Protocol implementation for Bash that provides IDE-like features such as completion, jump to declaration, diagnostics, an…
742774active
mfussenegger/nvim-lint
An asynchronous linter plugin for Neovim (>= 0.9.5) that spawns external linters, parses their output, and reports results via vim.diagnost…
772773active
vim-syntastic/syntastic
Syntastic is a Vim plugin that runs external syntax checkers and linters on files and displays errors in the location list. It is now depre…
1011217maintenance
rafamadriz/friendly-snippets
A community-driven collection of preconfigured code snippets for many programming languages, packaged in VS Code snippet format. It is desi…
612769stable
SabakiHQ/Sabaki
Sabaki is a cross-platform Go (Baduk/Weiqi) board and SGF editor built with Electron and web technologies. It supports SGF game editing, bo…
852761active
TrenchBroom/TrenchBroom
TrenchBroom is a free, cross-platform level editor for Quake-engine based games, supporting brush and entity editing with a high-performanc…
952750active
folke/sidekick.nvim
A Neovim plugin that integrates Copilot LSP's Next Edit Suggestions with an embedded terminal for AI CLI tools like Claude Code, Gemini CLI…
662742active
yy0931/sqlite3-editor
A VSCode extension that provides a custom editor for SQLite3 database files, allowing spreadsheet-like viewing and editing of data and sche…
702731active
inkle/inky
Inky is a desktop IDE for ink, inkle's narrative scripting language used for interactive branching stories in games. It lets writers edit i…
742729stable
mhinz/vim-signify
A Vim/Neovim plugin that displays added, modified, and removed lines in the sign column for files managed by a version control system. It s…
642728stable
dvorka/mindforger
MindForger is a desktop personal knowledge management tool that combines a thinking notebook with a full-featured Markdown editor/IDE. It m…
612715active
tpope/vim-repeat
A small Vim plugin that remaps the '.' repeat command so that plugin-provided mappings can be repeated as a whole. It exposes a simple repe…
322715stable
chinchang/web-maker
Web Maker is a free, open-source offline frontend playground for HTML, CSS, and JavaScript, similar to CodePen or JSFiddle but running enti…
782695active
200ok-ch/organice
organice is a web-based implementation of Emacs Org mode that works in mobile and desktop browsers without requiring Emacs. It is a progres…
862661active
wellle/targets.vim
A Vim/Neovim plugin that adds many additional text objects (pairs, quotes, separators, arguments) for more powerful operator commands. It a…
322643stable
REhints/HexRaysCodeXplorer
HexRaysCodeXplorer is a Hex-Rays Decompiler plugin written in C++ that improves code navigation during reverse engineering. It automates re…
472637active
sainnhe/gruvbox-material
Gruvbox Material is a modified version of the Gruvbox color scheme for Vim with softer contrast and three palettes (material, mix, original…
672632stable
reactide/reactide
Reactide is a cross-platform desktop IDE built with Electron, dedicated to React web application development. It bundles an integrated Node…
2310497maintenance
maplibre/maputnik
Maputnik is a free and open-source visual editor for the MapLibre Style Specification, built with TypeScript, React, and MapLibre GL JS. It…
862613active
tgrosinger/advanced-tables-obsidian
An Obsidian.md community plugin that adds Excel-like navigation, auto-formatting, and manipulation commands to markdown tables. It also sup…
822598active
imzbf/md-editor-v3
A feature-rich Markdown editor component library for Vue 3, written in JSX and TypeScript. It includes a full editor with toolbar, dark/lig…
972577active
getgridea/gridea
Gridea is a cross-platform desktop client for writing and managing static blogs, built with Electron and Vue. It provides a Markdown editor…
2310251maintenance
microsoft/PTVS
Python Tools for Visual Studio (PTVS) is Microsoft's Python support extension for Visual Studio, providing IntelliSense, debugging, profili…
672564active
typescript-language-server/typescript-language-server
A community-maintained Language Server Protocol implementation for TypeScript and JavaScript, wrapping the tsserver API so any LSP-capable …
992553active
joaotavora/eglot
Eglot is an Emacs client for Language Server Protocol (LSP) servers, providing IDE-like features such as completion, diagnostics, and go-to…
762553stable
sparksuite/simplemde-markdown-editor
SimpleMDE is an embeddable JavaScript Markdown editor that replaces a plain textarea with a WYSIWYG-style editing experience, including a t…
2310144maintenance
OpenLiveWriter/OpenLiveWriter
Open Live Writer is an open source fork of Windows Live Writer, a WYSIWYG blog editor for composing, previewing, and publishing blog posts …
852538active
estruyf/vscode-front-matter
Front Matter is a headless CMS implemented as a Visual Studio Code extension, letting users create, edit, preview, and manage Markdown cont…
942536active
flycheck/flycheck
Flycheck is a modern on-the-fly syntax checking extension for GNU Emacs that runs linters and LSP diagnostics as you edit. It supports many…
982534active
antonmedv/textarea
A minimalist browser-based text editor that stores all text compressed in the URL hash, requiring no backend or account. Notes can be share…
562524active
davidroyer/vue2-editor
Vue2Editor is a rich text editor component for Vue.js 2 built on top of Quill.js. It provides an easy-to-use, customizable WYSIWYG editor w…
662513stable
microsoft/Ontology-Playground
A free, open-source static web application for learning about ontologies and Microsoft Fabric IQ. It combines a curated ontology catalogue,…
592493active
redguardtoo/emacs.d
A fast and robust Emacs configuration (dotfiles) written in Emacs Lisp, maintained by redguardtoo. It provides a batteries-included, optimi…
772486active
solemnwarning/rehex
Rehex is a cross-platform hex editor designed for reverse engineering binary files, with features like large file support, inline disassemb…
852476active
artisticat1/obsidian-latex-suite
An Obsidian plugin that makes typesetting LaTeX math as fast as handwriting through configurable snippets, text expansion, and editor enhan…
992474active
projekt0n/github-nvim-theme
A collection of GitHub-style colorschemes for Neovim written in Lua. It provides multiple GitHub color variants (dark, light, dimmed, high …
232474active
MacDownApp/macdown
MacDown is an open source Markdown editor for macOS with live HTML preview, built in Objective-C/Cocoa. It offers configurable Markdown ren…
239819maintenance
RRethy/vim-illuminate
A (Neo)Vim plugin that automatically highlights other uses of the word under the cursor using LSP, Tree-sitter, or regex matching. It inclu…
772465stable
junegunn/limelight.vim
A Vim plugin that provides hyperfocus writing by dimming all text except the current paragraph, like a spotlight on the page. It pairs well…
642453stable
eclipse-jdtls/eclipse.jdt.ls
Eclipse JDT Language Server is a Java implementation of the Language Server Protocol built on Eclipse JDT, LSP4J, M2Eclipse, and Buildship.…
672424active
olivierkes/manuskript
Manuskript is an open-source desktop writing application for authors, built with Python and PyQt5. It provides outlining, character and plo…
652418active
react-page/react-page
ReactPage is a highly customizable WYSIWYG content editor for the browser, built with React and TypeScript. It lets developers define custo…
849545maintenance
eranif/codelite
CodeLite is a free, open-source, cross-platform IDE specialized in C, C++, Rust, Python, PHP, and Node.js development. It is written in C++…
872402active
H5-Dooring/dooringx
DooringX is a TypeScript-based visual drag-and-drop framework for quickly building low-code page editor platforms. Its core library, doorin…
322383active
m969/EGamePlay
EGamePlay is a lightweight, flexible combat and skill framework for Unity built on an Entity-Component-System pattern, with status effects,…
622374active
umpox/TinyEditor
A functional HTML/CSS/JavaScript code editor with live preview that fits in under 400 bytes, pasted directly into a browser address bar as …
322370stable
ryohey/signal
Signal is an open-source online MIDI editor and music sequencer built with web technologies (TypeScript, React, Web Audio). It offers a mul…
772365active
drl990114/MarkFlowy
MarkFlowy is a lightweight, cross-platform Markdown and text editor built with Tauri, React, and Prosemirror, offering WYSIWYG and source-c…
992362active
daylerees/colour-schemes
A collection of colour schemes for many popular text editors and syntax highlighters, created by Dayle Rees. Themes are generated from a sh…
329282maintenance
ZenNotes/zennotes
ZenNotes is a keyboard-first, local-first Markdown notes application with real Vim motions, split panes, diagrams (Mermaid, TikZ, KaTeX mat…
772350active
Laverna/laverna
Laverna is a JavaScript note-taking web application with a Markdown editor and client-side encryption, positioned as an open-source alterna…
239178maintenance
stevearc/aerial.nvim
aerial.nvim is a Neovim plugin that displays a code outline window for skimming and quick navigation within files. It builds symbol outline…
842331active
copilot-emacs/copilot.el
An unofficial Emacs plugin for GitHub Copilot that provides inline ghost-text completions, a chat interface, and Next Edit Suggestions. It …
932328active
scalameta/metals
Metals is a Scala language server implementing the Language Server Protocol to bring rich IDE features to any supported text editor. It pro…
932328active
zasper-io/zasper
Zasper is a high-performance IDE purpose-built for running Jupyter Notebooks, implementing Jupyter's wire protocol with massive concurrency…
662320active
antirez/kilo
Kilo is a tiny terminal text editor written in under 1000 lines of C, with syntax highlighting and incremental search, requiring no externa…
329087maintenance
SwiftLaTeX/SwiftLaTeX
SwiftLaTeX compiles the PdfTeX and XeTeX LaTeX engines to WebAssembly so LaTeX documents can be compiled entirely in the browser, exposed a…
232315active
tim-koehler/Helm-Intellisense
A Visual Studio Code extension that provides IntelliSense for Helm templates by reading and evaluating the chart's values.yaml. It offers a…
612304active
microsoft/pxt
Microsoft MakeCode (PXT) is a framework for building beginner-friendly, browser-based programming editors focused on computer science educa…
772302active
redhat-developer/vscode-java
A Visual Studio Code extension providing Java language support via the Eclipse JDT Language Server. It offers code completion, navigation, …
962300active
company-mode/company-mode
company-mode is a modular in-buffer text and code completion framework for GNU Emacs, standing for 'complete anything'. It uses pluggable b…
742290stable
nadrad/h-m-m
h-m-m (Hackers Mind Map) is a fast, keyboard-centric terminal application for creating and editing mind maps. It offers vim-like key bindin…
732286active
Feel-ix-343/markdown-oxide
Markdown Oxide is a Language Server Protocol implementation for Markdown, written in Rust, focused on personal knowledge management (PKM) w…
932274active
clangd/clangd
clangd is a language server that provides C/C++ IDE features such as code completion, diagnostics, go-to-definition, and refactoring to any…
872270stable
tareqimbasher/NetPad
NetPad is a cross-platform C# editor and playground that lets developers run C# code instantly without creating or managing projects. It is…
842268active
JetBrains/intellij-plugins
JetBrains' official monorepo of open-source plugins bundled with IntelliJ IDEA Ultimate and other IntelliJ Platform-based IDEs. It contains…
772266active
winder/Universal-G-Code-Sender
Universal G-Code Sender is a free, cross-platform Java application for sending G-Code to CNC controllers such as GRBL, FluidNC, TinyG, g2co…
942250active
uiwjs/react-codemirror
A React component wrapper around CodeMirror 6, providing a declarative, hook-friendly way to embed a code editor in React applications. It …
932249active
dhruvasagar/vim-table-mode
A Vim plugin that enables automatic creation and formatting of neat ASCII/Markdown tables as you type. It auto-aligns columns, draws separa…
562246active
Xed-Editor/Xed-Editor
Xed-Editor is an advanced, extensible text and code editor for Android with syntax highlighting, LSP-powered code intelligence, a built-in …
892244active
mapbox/geojson.io
geo.io is a browser-based editor for creating, viewing, and sharing spatial map data, originally built by Mapbox in 2013 and overhauled in …
762234active
FlagBrew/PKSM
PKSM is a multipurpose, portable Pokemon save manager and editor for generations I through VIII, written in C++. It runs on Nintendo 3DS cu…
992223active

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