ATasm is a 6502 command-line cross-assembler.
JPHP - an implementation of PHP on Java VM
Prolog to C compiler with runtime for DOS, Windows and Raspbian
World’s only programming language that’s bursting with emojis
A proper subset of Haskell that compiles to JavaScript
Best IDE for Beginners
Just-In-Time Compiler for the Lua Programming language
Mirror of the Glasgow Haskell Compiler
Shell script compiler
Parser generator, targetting C, C++, Python, JavaScript, JSON and XML
A "Just Enough Language" compiler targeting the 6502/Z80/6809
Peta Compiler is an easy-to-use console compiler for C#
The world's first evidence-oriented programming language
Pascal XE is an easy to use IDE for Pascal programming.
OpenM++: open source microsimulation platform
Micro Programming Language - A Portable Language for Micro Computers
Moved to GitHub...
Scannerless GLR parser generator
A JavaScript checker and optimizer
Python in the Browser
A native Windows port of the GNU Compiler Collection (GCC)