Development Page 23 of 436

Storybook is an open source tool for developing UI components in isolation for React, Vue, and Angular. It makes building stunning UIs organized and efficient.

Open links in a specific browser or a matching native app. Easily switch between browsers.

Copyboard is a simple productivity tool to copy frequently-used text to your device pasteboard with just a single click.

Planning Poker (also called Scrum Poker or Estimation Poker) is a free, open-source, real-time story-point estimation tool for agile and Scrum teams. Spin up a room in one click, share the link, and your team joins by name only — no accounts, no email, no install.

Mantis Bug Tracker is a free and open source, web-based bug tracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. MantisBT can be installed on Windows, Linux, Mac OS, OS/2, and others.

Interactive platform offering 400+ data and AI courses with free chapters, supporting 12 million learners worldwide, from beginners to experts.

Voiden.md is an offline-first, Git-native API workspace that unifies specs, docs, tests, and mocks using programmable Markdown blocks. Build APIs the way you actually work.

The fully managed serverless Postgres with a generous free tier. We separate storage and compute to offer autoscaling, branching, and bottomless storage.

OllyDbg is a 32-bit assembler level analysing debugger. Emphasis on binary code analysis makes it particularly useful in cases where source is unavailable.

Deliver real-time HTML code testing by pasting code for immediate results, seamlessly compatible with ChatGPT Canvas and Claude Sonnet 1.5.

A free, next-generation data science IDE built by Posit PBC. An extensible, polyglot tool for writing code and exploring data. A familiar environment for reproducible authoring and publishing.

A lightweight yet powerful IDE/code editor that comes in both Web and desktop editions, the latter written with PHP and including choices for several platforms (Windows, Linux, Mac).

impress.js is a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com - an "infinite canvas" for your presentation.

Cypress is a front end automated testing tool created for the modern web. Cypress is built on a new architecture and runs in the same run-loop as the application being tested. As a result Cypress provides better, faster, and more reliable testing for anything that runs in a...

Lightweight open-source Chrome extension to add, modify, or remove HTTP request and response headers using declarativeNetRequest, no tracking or ads.

One is a new React framework for web and native, built on Vite. It simplifies things with universal, typed routing seamlessly across static, server, and client pages. Plus, an amazing new solution to data.

Concurrent, functional programming language enabling fault-tolerant, distributed, and scalable real-time systems, with hot swapping, garbage collection, and dynamic typing.

A text editor forked from Pluma and Gedit. Xed is the default text editor of Linux Mint. It can be customized and is available in multiple languages.

PeekNote is a lightweight, always-on-top note app for macOS designed to quickly save, edit, and reuse text or code snippets.

WebKit is the web browser engine used by Safari, Mail, App Store, and many other apps on macOS, iOS, and Linux.

Spawn and control multiple Claude Codes in parallel. Happy Coder runs on your hardware, works from your phone and desktop, and costs nothing. Open source.

The Agent Client Protocol standardizes communication between code editors (IDEs, text-editors, etc.) and coding agents (programs that use generative AI to autonomously modify code). The protocol is still under development, but it should be complete enough to build interesting...

CoffeeScript is a little language that compiles into JavaScript. Underneath all those awkward braces and semicolons, JavaScript has always had a gorgeous object model at its heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.

Flask is a lightweight web application framework written in Python and based on the Werkzeug WSGI toolkit and Jinja2 template engine. There is no database abstraction layer, form validation, or any other components where third-party libraries already exist to provide common...

Node.js bridge to Webkit – package and distribute webapps on all platforms.