Spectrum) BASIC XL Toolkit (A8) — Disk-based extension of OSS's BASIC XL for Atari 8-bits Basic Lightning (C64) — The White Lightning development suite, by Oasis Software included also a quite capable BASIC extension for the Commodore BASIC 2.0 Exbasic Level II (C64) — Extended BASIC. An improved BASIC for the C64, which was loaded from disk or ROM cartridge. Graphics BASIC (C64) — Third-party extension of the C64's Commodore BASIC 2.0 Laser Basic (C64) — Was Ocean Software's updated version of The White Lightning development suite, which extended Commodore BASIC 2.0. A compiler called Laser Basic Compiler was available. Laser Basic (ZX Spectrum) Lightning Extended BASIC (APCW; Spec+3 on CP/M) — Extended Mallard BASIC with sophisticated graphics functions YS MegaBasic (ZX Spectrum) Monkey Wrench II (A8) — ROM cartridge extension of Atari BASIC from Eastern House Software. Using the right cartridge slot it required an Atari 800. Simons' BASIC (C64) — CBM-marketed improved BASIC for the C64, loaded from disk or ROM cartridge Super Expander (VIC-20) — CBM's own cartridge based extension of the VIC-20's Commodore BASIC 2.0 Super Expander 64 (C64)'' — CBM's own cartridge based extension of the VIC-20's Commodore BASIC 2.0, for the C64 See also ALGOL COMAL Euphoria (programming language) FORTRAN Open Programming Language References External links Detailed overview of many BASIC compilers All BASIC language reference and code project site SEGA SC-3000 computer, BASIC language details BASIC dialects