.NET Core is a cross-platform free and open-source managed software framework similar to .NET Framework. It consists of CoreCLR, a complete cross-platform runtime implementation of CLR, the virtual machine that manages the execution of .NET programs.
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- BSD
- Python
- Self-Hosted

Open source full-stack framework using Ruby, offering MVC architecture, Active Record ORM, scaffolding, secure defaults, RESTful design, and integrated testing.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Ruby
Windows development servers
Favor development in containers (Docker)
Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- TrueNAS


WampServer is a Windows web development environment. It allows you to create web applications with Apache2, PHP and a MySQL database. Alongside, PhpMyAdmin allows you to manage easily your databases.


Completely free web server tool with Apache, MariaDB, PHP, and Perl. Ideal for developing and testing websites locally on Windows, Linux, macOS.


XML Editor
XML Copy Editor is a fast, free, validating XML editor.
- DTD/XML Schema/RELAX NG validation
- XSLT
- XPath
- Pretty-printing
- Syntax highlighting
- Folding
- Tag completion
- Tag locking
- Tag-free editing
- Spelling and style check .

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