Forth
"Starting Forth" by Leo Brodie - HTML version of the classic Forth book. (Code has been ANSified and the original illustrations are not reproduced.) (101 visits)
http://www.amresearch.com/starting_forth/index.html
MIND programming language - an implementation of FORTH with some syntactic sugar designed to make the programs look and read quite close to actual Japanese (143 visits)
http://www.scripts-lab.co.jp/mind/whatsmind.html
Mops - An object-oriented native-code dialect of Forth for Mac 68k and Mac PPC (Classic and Mac OS X) (128 visits)
http://www.powermops.org/
PicForth - Forth compiler for PIC microcontrollers (143 visits)
http://www.rfc1149.net/devel/picforth
Pocket Forth - Forth for 680x0 Macintoshs (and PowerMacs in Classic mode) (131 visits)
http://chemlab.pc.maricopa.edu/pocket.html
Thinking Forth Project Homepage - Project to make Leo Brodie's 1984 book "Thinking Forth" available in PDF and LaTeX forms. (146 visits)
http://thinking-forth.sourceforge.net/
Vmgen interpreter generator - Vmgen supports the construction of interpretive systems by generating the code for executing and dealing with virtual machine (VM) instructions from simple descriptions of the VM instructions. (130 visits)
http://www.complang.tuwien.ac.at/anton/vmgen/