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

Open-source developer-tools software

13379 open-source libraries, tools and applications tagged developer-tools, ranked by how closely developer-tools 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.

13379 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
BeyondDimension/SteamTools
Watt Toolkit (formerly Steam++) is an open-source, cross-platform multi-purpose Steam toolbox written in C#/.NET. It provides utilities for…
8127080active
cmderdev/cmder
Cmder is a portable console emulator package for Windows built on ConEmu with Clink enhancements, a Monokai color scheme, and a custom prom…
6727011active
philc/vimium
Vimium is a browser extension that brings Vim-style keyboard navigation to Chrome, Edge, and Firefox. It lets users scroll, open links, fin…
7127009active
Floci
Floci is a free, open-source local AWS emulator that runs 83 AWS services (S3, SQS, DynamoDB, Lambda, ECS, and more) on your machine via Do…
8326923active
Gopeed
Gopeed is a free, open-source, cross-platform download manager built with Golang and Flutter that supports HTTP/HTTPS, BitTorrent, Magnet, …
8826917active
op7418/guizang-ppt-skill
An AI-agent Skill for Claude Code / Codex that generates polished single-file HTML slide decks with editorial magazine and Swiss Internatio…
5826862active
remy/nodemon
nodemon is a command-line wrapper for Node.js that watches your source files and automatically restarts the application when changes are de…
8026660stable
Wilfred/difftastic
Difftastic is a structural diff CLI tool that compares files based on syntax parsed with tree-sitter, rather than line-by-line. It supports…
9325966active
YouCompleteMe
YouCompleteMe is a fast, as-you-type fuzzy-search code completion engine for Vim, backed by the ycmd server. It provides semantic completio…
7625870active
D2
D2 is a modern declarative diagram scripting language that turns plain text descriptions into diagrams. It ships as a CLI compiler with the…
9225596active
gpakosz/.tmux
Oh my tmux! is a self-contained, pretty and versatile tmux configuration distributed as a set of dotfiles. It provides a polished status ba…
7225432active
responsively-org/responsively-app
Responsively App is a modified web browser built with Electron that lets developers view and interact with a website across many device vie…
7625200active
LSPosed/LSPosed
LSPosed is an ART hooking framework implemented as a Riru/Zygisk Magisk module that provides Xposed-compatible APIs for Android 8.1-14. It …
6725120active
pypa/pipenv
Pipenv is a Python virtualenv and dependency management tool from the PyPA that unifies pip, virtualenv, and Pipfile into a single command-…
10025021stable
Highlight.js
Highlight.js is a zero-dependency JavaScript syntax highlighter supporting 193 languages with automatic language detection and 516 themes. …
8925004stable
go-delve/delve
Delve is a full-featured debugger for the Go programming language, usable from the command line and via editor integrations. It aims to be …
9324946active
QuickLook
QuickLook is a free, open-source Windows application that brings macOS's Quick Look feature to Windows, letting users preview files instant…
8824936active
Scoop
Scoop is a command-line package installer for Windows that installs apps with minimal friction, avoiding UAC prompts, GUI wizards, and PATH…
6624703active
ReactiveX/RxSwift
RxSwift is the Swift-specific implementation of the Reactive Extensions (Rx) standard, providing Observable streams for composing asynchron…
8024639stable
charmbracelet/gum
Gum is a command-line tool that adds polished interactive UI components—menus, text inputs, confirmations, spinners, and more—to shell scri…
9724481active
felixrieseberg/windows95
An Electron desktop application that runs a full Windows 95 operating system on macOS, Linux, and Windows. It packages the classic OS in a …
7624256stable
MagicMirrorOrg/MagicMirror
MagicMirror² is an open source modular smart mirror platform that turns a display behind a two-way mirror into a personal assistant display…
9524142active
air-verse/air
Air is a live-reloading command line utility for developing Go applications that watches files and automatically rebuilds and restarts the …
9224049active
ramda/ramda
Ramda is a practical functional programming utility library for JavaScript, offering curried, pure functions designed for building function…
7224046stable
SuperClaude-Org/SuperClaude_Framework
SuperClaude is a configuration framework that enhances Claude Code with 30 specialized slash commands, 20 cognitive personas, 7 behavioral …
7423914active
validatorjs/validator.js
A JavaScript library of string validators and sanitizers for Node.js and browsers. It provides dozens of checks like isEmail, isURL, and is…
8323740stable
kholia/OSX-KVM
A collection of scripts, OpenCore configurations, and documentation for running macOS virtual machines on Linux using QEMU/KVM, without nee…
5723739active
AlDanial/cloc
cloc is a command-line tool that counts blank lines, comment lines, and physical lines of source code across many programming languages. It…
8423574stable
openjdk/jdk
The main-line development repository for the OpenJDK, the open-source implementation of the Java Platform, Standard Edition. It contains th…
7723443active
SlimToolkit
SlimToolkit is a CLI tool that inspects, optimizes, and debugs container images, minifying them by up to 30x without changing the applicati…
6623417active
Chalk
Chalk is a zero-dependency JavaScript library for styling terminal string output with colors, backgrounds, and text modifiers via a chainab…
9323320stable
Qwerty Learner
Qwerty Learner is a web application that combines English vocabulary memorization with keyboard typing practice to build typing muscle memo…
7423233active
nikitabobko/AeroSpace
AeroSpace is an i3-inspired tiling window manager for macOS built in Swift. It emulates virtual workspaces independently of native macOS Sp…
8223202active
n8n-mcp
n8n-MCP is a Model Context Protocol server that exposes n8n node documentation, properties, and operations via an API for AI assistants. It…
8123055active
zsh-users/zsh-syntax-highlighting
A Zsh plugin that provides Fish shell-like syntax highlighting for commands as they are typed at the interactive prompt. It hooks into the …
7523014stable
hmjz100/LinkSwift
A Tampermonkey userscript that extracts direct download links from major Chinese cloud storage services (Baidu Netdisk, Aliyun Drive, China…
8422948active
SwiftyJSON
SwiftyJSON is a Swift library that simplifies parsing and manipulating JSON data with convenient subscript access and automatic optional ha…
6322939stable
claude-code-best/claude-code
Claude Code Best is a terminal‑native, agentic coding system that lets an LLM read, edit, and execute code directly in your local project. …
7422847active
Renovate
Renovate is a cross-platform CLI tool that automatically detects outdated dependencies in repositories and creates pull requests to update …
9622789active
Doom Emacs
Doom Emacs is a configuration framework for GNU Emacs that provides fast startup, lazy loading, and opinionated defaults built on Emacs Lis…
7622736active
BCC
BPF Compiler Collection (BCC) is a toolkit for writing efficient eBPF-based kernel tracing and manipulation programs, with instrumentation …
8922707active
gitui-org/gitui
GitUI is a fast, keyboard-driven terminal user interface for git written in Rust. It offers GUI-like git workflows (staging, committing, st…
7722574active
js-cookie/js-cookie
js-cookie is a simple, lightweight JavaScript library for reading, writing, and deleting browser cookies on the client side. It is RFC 6265…
9222567stable
pranshuparmar/witr
witr is a CLI and TUI tool that traces any running process, port, container, or file back to the exact chain of systems that started it, an…
7322491active
postcss/autoprefixer
Autoprefixer is a PostCSS plugin that parses CSS and automatically adds vendor prefixes to CSS rules using browser support data from Can I …
9622224stable
opa334/TrollStore
TrollStore is a permanently signed jailed iOS app that exploits an AMFI/CoreTrust bug to install any IPA with arbitrary entitlements and ro…
6322205active
scottbez1/smartknob
SmartKnob is an open-source haptic input knob combining a brushless gimbal motor and magnetic encoder with closed-loop torque control to si…
2322162active
Lima
Lima is a CLI tool that launches Linux virtual machines on macOS, Linux, and other hosts with automatic file sharing and port forwarding, s…
9922121active
jarun/nnn
nnn (n³) is a fast, tiny (~150 KiB) terminal file manager written in C with an ncurses TUI. It supports disk usage analysis, batch rename, …
8422084stable
desktop/desktop
GitHub Desktop is an open-source Electron-based graphical Git client that simplifies Git workflows with visual diffs, branch management, an…
9821928active
Gooey
Gooey is a Python library that converts argparse-based command line programs into full desktop GUI applications with a single decorator. It…
6721899stable
snarktank/ralph
Ralph is an autonomous AI agent loop that repeatedly runs AI coding tools like Amp or Claude Code until all items in a product requirements…
4221874active
aidenybai/react-scan
React Scan is a drop-in tool that automatically detects and visually highlights React component performance issues, such as unnecessary re-…
6621868active
p0deje/Maccy
Maccy is a lightweight, open-source clipboard manager for macOS that keeps a history of copied items. It offers fast keyboard-first search …
9321697stable
folke/lazy.nvim
lazy.nvim is a modern plugin manager for Neovim written in Lua. It provides fast startup via lazy-loading and bytecode compilation, a power…
7421655stable
SBoudrias/Inquirer.js
Inquirer.js is a collection of common interactive command line user interfaces for Node.js, providing prompts like input, select, checkbox,…
9521634stable
Caldis/Mos
Mos is a free, open-source macOS menu bar utility that smooths mouse wheel scrolling to feel like a trackpad and allows independent scroll …
8821580active
samber/lo
samber/lo is a Lodash-style utility library for Go 1.18+ built on generics, providing 300+ type-safe helpers for slices, maps, strings, cha…
8221433stable
jart/cosmopolitan
Cosmopolitan Libc is a C/C++ library and toolchain that makes C a build-once run-anywhere language by producing polyglot executables that r…
7921396active
Paseo
Paseo is a self-hosted, open-source orchestrator for coding agents like Claude Code, Codex, Copilot, OpenCode, and Pi, exposing them throug…
8121326active
liriliri/eruda
Eruda is an in-page developer console for mobile browsers, providing a DevTools-like panel (console, elements, network, resources, sources)…
3721224active
nikivdev/code
Flow is a Rust-based CLI tool (installed as `f`) that provides an all-in-one developer workflow for moving projects faster, including setup…
7421113active
VHS
VHS is a CLI tool that records terminal sessions into GIFs and videos by scripting them in '.tape' files. It lets you write terminal demos …
8921081active
qmk/qmk_firmware
QMK (Quantum Mechanical Keyboard) is open-source firmware for custom keyboards and other input devices, supporting Atmel AVR and ARM USB mi…
7520731stable
spaceship-prompt/spaceship-prompt
Spaceship is a minimalistic, powerful, and extremely customizable prompt theme for the Zsh shell. It displays useful context like git statu…
9120576active
Obtainium
Obtainium is an Android app that installs and updates applications directly from their release pages on sources like GitHub, GitLab, and F-…
9520509active
TranslucentTB/TranslucentTB
TranslucentTB is a lightweight Windows utility that makes the taskbar translucent, transparent, blurred, or acrylic-styled on Windows 10 an…
8720463active
didi/DoKit
DoKit (DoraemonKit) is an efficiency platform for the full lifecycle of pan-frontend product development, offering in-app debug toolkits fo…
7920418active
SnapKit/SnapKit
SnapKit is a Swift DSL that makes Auto Layout constraint creation simple and expressive on iOS, macOS, and tvOS. It provides a type-safe, c…
7420347stable
BluePointLilac/ContextMenuManager
A free Windows utility for managing right-click (context) menu items across files, folders, Send To, Open With, IE, and WinX menus. It lets…
2320232active
rrweb
rrweb is an open-source TypeScript library that records user interactions and DOM state changes in the browser and replays them as session …
9220213stable
SpaceVim
SpaceVim is a modular, layer-based configuration framework for Vim and Neovim, inspired by Spacemacs. It bundles curated plugin collections…
1020196stable
daily.dev
daily.dev is a free, open-source personalized news feed and community platform for developers, aggregating content from 2,000+ sources and …
7720096active
Universal Android Debloater
A cross-platform desktop GUI application written in Rust that uses ADB to remove bloatware from non-rooted Android devices. It ships curate…
2320010active
telescope.nvim
Telescope.nvim is a highly extendable fuzzy finder plugin for Neovim, written entirely in Lua, that lets users find, filter, preview, and p…
8019793stable
brendangregg/FlameGraph
The original open-source FlameGraph tools by Brendan Gregg, a set of Perl scripts that convert profiler stack traces into interactive SVG f…
2319790stable
Rime Ice Input Configuration
Rime Ice is a well-maintained, out-of-the-box Rime input method configuration for Simplified Chinese, including full pinyin and double piny…
8919789active
GitHub Blocks
Monaspace is a monospaced font superfamily from GitHub Next consisting of five metrics-compatible variable typefaces (Neon, Argon, Xenon, R…
5919711active
ntdevlabs/tiny11builder
A set of PowerShell scripts that automate building a trimmed-down, debloated Windows 11 ISO image from an official Microsoft ISO. It includ…
3719624active
tj/n
n is a simple BASH script for managing and switching between Node.js versions on macOS, Linux, and other unix-like systems. It installs, se…
6419512stable
ESP-IDF
ESP-IDF is the official development framework for Espressif SoCs such as the ESP32 series, providing toolchains, build system, RTOS compone…
9819217stable
Compiler Explorer
Compiler Explorer is an interactive web application for compiling code in 30+ languages (C, C++, Rust, Go, Haskell, Swift, and more) and vi…
7719141active
HunxByts/GhostTrack
GhostTrack is a Python-based OSINT CLI tool for gathering information about IP addresses, phone numbers, and usernames across social media.…
3019087active
reduxjs/reselect
Reselect is a small library that creates memoized selector functions for extracting and computing derived data from immutable state objects…
8719013active
golang-migrate/migrate
A database migration tool written in Go, usable both as a CLI and as an importable Go library. It reads migration files from various source…
8718970active
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
Conventional Changelog
commitlint is a CLI tool and library that lints git commit messages against the conventional commit format, with shareable npm-based config…
9918776active
OpenCore Legacy Patcher
A Python-based GUI application that builds and installs OpenCore boot configurations to run modern macOS (Big Sur through Sequoia) on unsup…
9818574active
WSABuilds
WSABuilds provides prebuilt Windows Subsystem for Android (WSA) binaries for Windows 10 and 11, with optional Google Play Store (MindTheGap…
9518518active
ardalis/CleanArchitecture
A NuGet-distributed ASP.NET Core solution template implementing Clean Architecture (also known as hexagonal, ports-and-adapters, or onion a…
7918510active
Bit
Bit is a build system and workspace tool that organizes JavaScript/TypeScript code into reusable, composable components shared across monor…
9518495active
gastownhall/gastown
Gas Town is a multi-agent workspace manager that orchestrates AI coding agents like Claude Code, GitHub Copilot, Codex, and Gemini across m…
7618373active
AgriciDaniel/claude-seo
An open-source SEO skill/plugin for Claude Code that bundles 25 sub-skills, 18 specialist agents, and ~30 slash commands covering technical…
8218326active
AB Download Manager
AB Download Manager is a free, open-source desktop download manager built with Kotlin and Compose Multiplatform that accelerates and organi…
8818279active
mjmlio/mjml
MJML is a markup language and open-source engine that compiles semantic, component-based markup into responsive HTML email that renders rel…
9518244stable
nim-lang/Nim
Nim is a statically typed, compiled systems programming language whose repository contains the compiler, standard library, tools, and docum…
7518242stable
Pino
Pino is a very fast, low-overhead JSON logger for Node.js (and Bare/Pear runtimes), with child loggers, redaction, and worker-thread transp…
8418223stable
op7418/Humanizer-zh
A Chinese-localized Claude Code skill that removes AI-generated writing patterns from text, rewriting it to sound more natural and human. I…
5918219active
avante-corp/avante.nvim
A Neovim plugin that emulates the Cursor AI IDE experience inside the editor. It provides AI-driven code suggestions, chat-based code assis…
8918175active
abseil/abseil-cpp
Abseil is an open-source collection of C++17-compliant libraries drawn from Google's internal codebase, designed to augment the C++ standar…
9218158stable

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