Top 12 Open-Source Alternatives to C#

Product categories

Continuous Integration DevOps Tools Dynamic Programming Language Generic Programming Language OOP Programming Language

Summary

The top open-source alternatives to C# are Python, Rust, and PHP. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Python Landing Page
1

Python

Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 280 social mentions
Rust Landing Page
2

Rust

A safe, concurrent, practical language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 44 social mentions
PHP Landing Page
3

PHP

A popular general-purpose scripting language that is especially suited to web development
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 53 social mentions
Go Programming Language Landing Page
4

Go Programming Language

Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 290 social mentions
Go.CD Landing Page
5

Go.CD

Open source continuous delivery tool allows for advanced workflow modeling and dependencies management.
Pricing:
- Open Source
#Continuous Integration #DevOps Tools #Programming Language
Elixir Landing Page
6

Elixir

Dynamic, functional language designed for building scalable and maintainable applications
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 74 social mentions
Ruby Landing Page
7

Ruby

A dynamic, interpreted, open source programming language with a focus on simplicity and productivity
Pricing:
- Open Source
#Programming Language #OOP #Dynamic Programming Language 3 social mentions
Haskell Landing Page
8

Haskell

An advanced purely-functional programming language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 21 social mentions
Clojure Landing Page
9

Clojure

Clojure is a dynamic, general-purpose programming language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 36 social mentions
Lua Landing Page
10

Lua

Powerful, fast, lightweight, embeddable scripting language
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 22 social mentions
Haxe Landing Page
11

Haxe

Haxe is an open source toolkit based on a modern, high level, strictly typed programming language.
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 45 social mentions
Kotlin Landing Page
12

Kotlin

Statically typed Programming Language targeting JVM and JavaScript
Pricing:
- Open Source
#Programming Language #OOP #Generic Programming Language 74 social mentions