Alternatives to C# for all platforms with any license

Python

Python is an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free...
- Because it's not owned by Microsoft. felippehd • Jul 2018 • 4 agrees and 2 disagrees
Free Open Source Mac Windows Linux S60 BSD ... AROS Haiku AmigaOS OpenSolaris MorphOS
High Level Object-oriented Language Dynamic typing Garbage Collection ... Modular System Object-oriented Language Rad Add a feature

1157 Like
Java

Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation...

Free Personal Open Source Mac Windows Linux Web Android ... Java Mobile S60 HP webOS Blackberry Android Tablet BSD Blackberry 10 PlayBook Kindle Fire
Object-oriented Language Coding Cross-platform Garbage Collection ... Object-oriented Language X86/x64 Compatibility Add a feature

594 Like
C (programming language)

C is a general-purpose computer programming language. C is one of the most widely used programming languages of all time.

Free Open Source Mac Windows Linux Android iPhone ... Android Tablet BSD iPad AROS Android Wear Haiku Playstation
Works at kernel level Compiled Language Inline assembly Manual memory management ... Systems programming Add a feature

282 Like
C++

C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose, powerful programming language. It is regarded as an intermediate-level language, as it...
- C++ is very, very fast and you can develop any kind of software with it. Guest • Nov 2019
Free Open Source Mac Windows Linux BSD
Compiled Language Systems programming Manual memory management Object-oriented Language Add a feature

273 Like
Ruby

Ruby is a dynamic, reflective, general purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated...

Free Open Source Mac Windows Linux BSD Haiku
Blocks Dynamic typing Package Manager Text processing ... Interpreter Object-oriented Language Add a feature

249 Like
Go (Programming Language)

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
- Go was made by Ken Thompson which also made C, so you can expect something good from it, seriously. Try it! Guest • Jul 2020
Free Open Source Mac Windows Linux BSD
Compiled Language Class inheritance Object-oriented Language Performance Monitoring ... Test case management Readability Add a feature

114 Like
Rust

A systems programming language that runs blazingly fast, prevents almost all crashes, and eliminates data races. .
- Modern looking. Was surprisingly easy for me to move to Rust from c# even though everybody says it has a steep learning curve. Guest • Feb 2017 • 0 agrees and 1 disagrees
Free Open Source Mac Windows Linux BSD
Typesafe Compiler Explanations Package Manager Test case management ... Abstract Data Types Pattern matching Static typing Type inference Add a feature

80 Like
Lua

Lua is a powerful, fast, lightweight, embeddable scripting language. Lua combines simple procedural syntax with powerful data description constructs based on...

Free Open Source Mac Windows Linux Android iPhone ... Android Tablet BSD iPad Android Wear Haiku AmigaOS Playstation MorphOS
Scripting language Configuration Scripting Add a feature

149 Like
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Perl

Perl is a highly capable, feature-rich programming language with over 30 years of development.

Free Open Source Mac Windows Linux BSD Haiku
Shell integration Add a feature

125 Like
Dart

Dart (originally called Dash) is a Web programming language developed by Google. It was unveiled at the GOTO conference in Aarhus, 2011 October 10-12. The goal of Dart...

Free Open Source Mac Windows Linux Web
No features added Add a feature

65 Like