Open Source Python Alternatives
The best open source alternative to Python is Ruby. If that doesn't suit you, our users have ranked more than 50 alternatives to Python and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Python are C#, Java, R (programming language) and PHP.
Alternatives list

Stackless Python is an enhanced version of the Python programming language. It allows programmers to reap the benefits of thread-based programming without the performance and complexity problems associated with conventional threads.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Python
Squirrel is a high level imperative, object-oriented programming language, designed to be a light-weight scripting language that fits in the size, memory bandwidth, and real-time requirements of applications like video games.

MicroPython aims to implement the Python 3.4 standard (with selected features from later versions) with respect to language syntax, and most of the features of MicroPython are identical to those described by the “Language Reference” documentation at docs.python.org.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- BSD
- Self-Hosted
- JavaScript
- FreeBSD
- OpenBSD


Temper is a programming language and toolchain for making libraries that can be used natively from any other language.
- 65 FreeBASIC alternatives
FreeBASIC is a completely free, open-source, 32-bit BASIC compiler, with syntax similar to MS-QuickBASIC, that adds new features such as pointers, unsigned data types, inline assembly, object orientation, and many others.

Unison is a statically-typed functional language with type inference, an effect system, and advanced tooling. It is based around a big idea of content-addressed code, in which function are identified by a hash of their implementation rather than by name, and code is stored as...
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- Self-Hosted

Raku unifies many great ideas that aren't usually found in other programming languages. While several other languages offer some of these features, none of them offer all.
Hack is a programming language for HHVM that interoperates seamlessly with PHP. Hack reconciles the fast development cycle of PHP with the discipline provided by static typing, while adding many features commonly found in other modern programming languages.
Hack vs Python Comments

- Hack is Free and Open Source





























Hack is PHP and its Web-based