Quorum is a general purpose tool that we call an "evidence-based" programming language. It started as an interpreted language originally designed to be easier to hear through screen readers for blind or visually impaired users.
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
Pony is an open-source, object-oriented, actor-model, capabilities-secure, high performance programming language.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux

The Objective-C language is a simple computer language designed to enable sophisticated object-oriented programming. Objective-C is defined as a small but powerful set of extensions to the standard ANSI C language.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- BSD

Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses.

Io is a prototype-based programming language inspired by Smalltalk (all values are objects, all messages are dynamic), Self (prototype-based), NewtonScript (differential inheritance), Act1 (actors and futures for concurrency), LISP (code is a runtime inspectable/modifiable tree)...
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- BSD
- Raspberry Pi
The Bosque programming language is an experiment in regularized design for a machine assisted rapid and reliable software development lifecycle.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- BSD

Pike is a dynamic programming language with a syntax similar to Java and C. It is simple to learn, does not require long compilation passes and has powerful built-in data types allowing simple and really fast data manipulation.

Pyret is a programming language designed to serve as an outstanding choice for programming education while exploring the confluence of scripting and functional programming. It's under active design and development, and free to use or modify.

ReScript is a robustly typed language that compiles to efficient and human-readable JavaScript. It comes with a lightning fast compiler toolchain that scales to any codebase size.
Cost / License
- Free
- Open Source
Application type
Platforms
- JavaScript
- Self-Hosted
- Node.JS
- Mac
- Linux
- Windows
- BSD
- Visual Studio Code


Object Pascal is a multi-paradigm, object-oriented, component-based general purpose programming language.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- BSD
- AROS
- Haiku
- AmigaOS
- MorphOS
The Odin programming language is fast, concise, readable, pragmatic and open sourced. It is designed with the intent of replacing C with the following goals:





























