A graph-rewriting system, created as a cross between various programming paradigms.
An extension of C-INTERCAL allowing multithreading to be done using multiple COME FROM statements referencing the same label. It includes a few new features to facilitate communication between threads.
The Language With No Name. Correspondingly, nothing in this language has a name. It has a handful of instructions manipulating two stacks on which data and procedures are stored. There is a library of standard arithmetic and I/O functions, which also have no names.
An INTERCAL variation supported by the C-INTERCAL compiler, created as a response to a deficiency in INTERCAL's attempt to be unlike any other language. INTERCAL uses familiar 16-bit and 32-bit integers and bitwise operations; TriINTERCAL works in trinary (ternary, whatever you call it), with 10-trit and 20-trit integer types, and has a corresponding set of tritwise operations.
The C-INTERCAL compiler also generalises the concept to all bases up to 7, but the documentation doesn't give names for the variants.
The only programming language that doubles as a drinking game. It has many bizarre data types and operations.