Strange Befunge-descendant language.
Cat's Eye Technologies
Specifications, implementations, sample source code collections for several strange languages, comments on obfuscated language taxonomy and on several far-out coding practices, mail list, links to many related sites.
Comment Programming Language
An open-source language for writing comments.
DM's Esoteric Programming Languages
D. Morgan-Mar esoteric languages Chef, Haifu, Ook!, Piet, Whenever. Links.
Esoteric Programming Languages Ring
An organisation started to spread insanity and weird programming paradigms among the masses.
Programming language with two main goals: confusing everyone with an obfuscated syntax, and designing as powerful a language as possible with a tiny implementation: this compiler executable is only 1024 bytes, written in pure 68000 assembler.
Malbolge: Programming from Hell
Specifically designed to be extremely difficult to program in.
A programming language in which program flow can go sideways. Closely related to Befunge. Tutorial, reference, sample source code, Public Domain implementation available.
Obfuscated Weird Language: character-based language interpreter written in C, in the style of False. By Antonio Maschio.
Home of esoteric programming languages such as Java2K, Smith#, Sorted!, , Esogotschi and the Great Python Language Zoo. Also heavy on the code obfuscation front.
Programming in Malbolge
Introduction to Malbolge programming. Also propose modificatins of Malbolge for making programming in it more worse.
Q-BAL Programming Language
A queue based programming language. It's not designed to be useful, just fun.
A language with beautiful source code that resembled Shakespeare plays.
Collection of esoteric programming language implementations, examples, and related files.