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
Object-oriented Language Dynamic typing Garbage Collection High Level ... Modular System Object-oriented Language PIP (package installer) Rad Add a feature

1093 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 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 Garbage Collection Object-oriented Language ... X86/x64 Compatibility Add a feature

567 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
Compiled Language Inline assembly Manual memory management Systems programming Add a feature

264 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
Object-oriented Language Systems programming Add a feature

257 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

175 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 Scripting Add a feature

142 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

121 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 Add a feature

53 Like
Scala

Scala is a modern multi-paradigm programming language based on the Java Virtual Machine (JVM) designed to express common programming patterns in a concise, elegant, and...

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

61 Like
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

49 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
Imperative Language Lisp-like Object-oriented Language Add a feature

26 Like
FreeBASIC

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...

Free Open Source Windows Linux
QuickBasic Support Add a feature

23 Like
Elixir

Elixir is a dynamic, functional language designed for building scalable and maintainable applications.

Free Open Source Mac Windows Linux BSD FreeBSD ... DragonFly BSD
Functional Language Add a feature

7 Like
Ceylon

Support for Java and JavaScript virtual machines Write your code in Ceylon, and have it run on the JVM, on Node.js, or in a web browser. Some modules are...

Free Open Source Mac Windows Linux JavaScript Hotspot JVM
Functional Language Object-oriented Language Add a feature

9 Like
Avian

Avian is a lightweight virtual machine and class lbrary designed to provide a useful subset of Java’s features, suitable for building self-contained applications. ...

Free Open Source Mac Windows Linux iPhone BSD ... iPad
No features added Add a feature

4 Like