Begin3 Title: GW-BASIC 2026 Version: 0.18.0 Entered-date: 2026-04-10 Description: A portable C reimplementation of Microsoft GW-BASIC, using the original 8088 assembly source (released by Microsoft in 2020) as the authoritative reference. Targets bug- compatible behavior with classic GW-BASIC programs. Includes a full-screen TUI editor that renders through BIOS INT 10h on bare FreeDOS (no ANSI.SYS required), 100% token coverage (all 144 GW-BASIC tokens), MBF on-disk file format compatibility, and an ahead-of-time compiler (Linux/POSIX builds only). Keywords: BASIC, GW-BASIC, Microsoft, interpreter, retrocomputing Author: Eremey Valetov Maintained-by: Eremey Valetov Primary-site: https://github.com/evvaletov/gw-basic-2026 Original-site: https://github.com/microsoft/GW-BASIC Platforms: DOS, FreeDOS 1.4 (16-bit real mode), MS-DOS 5+, DOS/4GW (32-bit protected mode); also Linux, macOS, BSD via CMake Copying-policy: MIT License End