Codewith.it is an online HTML, CSS and JavaScript code playground with realtime preview with many tools for developing web pages and advanced code analysis systems, with many assistance tools.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online



GUI toolkit for Rust, C++, and JavaScript to efficiently develop fluid graphical user interfaces for embedded devices and desktop applications.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
Germany
EU

Run multiple Claude Codes as individual agents in parallel, each with an isolated workspace, supporting code reviews, agent status tracking, and local repository cloning.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac

Knockout is a JavaScript library that helps you to create rich, responsive display and editor user interfaces with a clean underlying data model. Any time you have sections of UI that update dynamically (e.g.
Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
Powerful yet easy to use APK editor for PC and Mac. Change Android app icon, title, translations and other resources.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Windows
- Linux
Russia


+1
Elm aims to make web development more pleasant. Elm is a type-safe, functional reactive language that compiles to HTML, CSS, and JavaScript.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Application type
Platforms
- Mac
- Windows
- Linux
Bless is a high quality, full featured hex editor. It is written in mono/Gtk# and its primary platform is GNU/Linux. However it should be able to run without problems on every platform that mono and Gtk# run on.
Cost / License
- Free
- Open Source
Application type
Platforms
- Windows
- Linux
Greece
EU



Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
lazygit is a simple terminal UI for git commands written in Go (Programming Language) with the gocui library.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
Australia

Cost / License
- Freemium
- Proprietary
Platforms
- Online
- RemoteStorage
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
A modern, convenient and powerful SQL Editor and Database Client for Developers and Administrators.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- Amazon Web Services
- Docker
- AppImage
United States


+8
OpenSilver is a modern, plugin-free, open-source reimplementation of Microsoft Silverlight , that runs on current browsers via WebAssembly. It uses Mono for WebAssembly and Microsoft Blazor. It brings back the power of C#, XAML, and .
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
France
EU

Fresh is a next generation web framework, built for speed, reliability, and simplicity. Some stand out features:
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
Thermal is a free, open-source, cross-platform Git GUI built by developers for developers. It's a desktop application built with Electron & Vue.js, allowing you to manage your Git repositories at one place by providing a simple to use graphic interface with built-in...
Platforms
- Mac
- Windows
- Linux
- Node.JS



Cost / License
- Free
- Proprietary
Platforms
- Visual Studio Code
- Mac
- Windows
- Linux
United States


+2
Cost / License
- Paid
- Proprietary
Platforms
- Mac
United States

Processing.js is an open programming language, port of the Processing Visualization Language, for people who want to program images, animation, and interactions for the web without using Flash or Java applets. Processing.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Online

Set up native A/B and split tests in Webflow within minutes without impacting performance. Suitable for non-coders, supports data-driven optimization.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Webflow
- Software as a Service (SaaS)
Slovenia
EU


+3
WhoDBis a lightweight (~20MB), powerful, and user-friendly database management tool designed to streamline your database administration tasks.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
- Mozilla Firefox


+16
A lightweight and versatile open source server that simplifies the application stack by natively executing application code across eight different programming language runtimes.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Linux
- Docker
- Self-Hosted
Metal provides near-direct access to the graphics processing unit (GPU), enabling you to maximize the graphics and compute potential of your apps on iOS, macOS, and tvOS. Building on an approachable, low-overhead architecture with precompiled GPU shaders, fine-grained resource...
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
United States

More than 500+ of the best tutorials and courses on Python, JavaScript, HTML 5, Swift, Android and more. Using Hackr.io, you can:
Cost / License
- Freemium
- Proprietary
Platforms
- Online
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