Alternatives to Factor 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...

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

1149 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

592 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

279 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...

Free Open Source Mac Windows Linux BSD
Compiled Language Systems programming Object-oriented Language Add a feature

268 Like
C#

C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and...

Free Open Source Mac Windows Linux BSD
Compiled Language Object-oriented Language Add a feature

186 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

148 Like
Perl

Perl is a high-level, general-purpose, interpreted, dynamic programming language with over 22 years of development. The Perl languages borrow features from other...

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

125 Like
Haskell

Haskell is an advanced purely-functional programming language. An open-source product of more than twenty years of cutting-edge research, it allows rapid development of...

Free Open Source Mac Windows Linux BSD
Functional Language Static typing Tail Call Optimization Add a feature

53 Like
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D (Programming Language)

D is a language with C-like syntax and static typing. It pragmatically combines efficiency, control, and modeling power, with safety and programmer productivity. ...

Free Open Source Mac Windows Linux BSD
Contract programming Functional Language High Level Multiparadigm ... Object-oriented Language Add a feature

51 Like
Nim (programming language)

Nim is a statically typed, imperative programming language with a powerful macro system that tries to give the programmer ultimate power without compromises on runtime...

Free Open Source Mac Windows Linux BSD
Compiled Language Compiler Cross-platform Imperative Language ... Lisp-like Object-oriented Language Add a feature

27 Like