Z8 BASIC, ZX80 BASIC, BBC BASIC, Sinclair QL BASIC, loads of other varieties of BASIC. Turbo Pascal, C, C++, Smalltalk. Z80, Z8 and 6502 assembler. Ladder logic

Z8 BASIC, ZX80 BASIC, BBC BASIC, Sinclair QL BASIC, loads of other varieties of BASIC. Turbo Pascal, C, C++, Smalltalk. Z80, Z8 and 6502 assembler. Ladder logic. Several others that I've forgotten.