From the maker of Vesper

More software.More room for your next idea.

Explore Classic BASIC, Cortex BASIC, and TrashBox-80. Three more ways to learn, experiment, and build, created by Nathan D. Baughman at NDB Software.

Visit NDB Software ndbsoftware.us

Browser · iPhone · iPad

Classic BASIC

The joy of classic computing, ready for your next idea. Write and run line-numbered BASIC, explore graphics, and learn by experimenting.

Line-numbered BASIC programming
Graphics, games, and built-in examples
Available in your browser, on iPhone, and on iPad

Website classicbasic.org Web app app.classicbasic.org

Launch Web App Download for iPhone & iPad

Browser

Cortex BASIC

A modern home for BASIC in your browser. Bring ideas to life with an editor, terminal, local projects, graphics, sound, Git, and optional Cortex AI.

Editor, terminal, and local projects
Graphics and sound for interactive programs
Git workflows and optional AI assistance

Website cortexbasic.com Web app app.cortexbasic.com

Launch Web App

Browser

TrashBox-80

A complete little retro microcomputer, right in your browser. Type in BASIC programs, explore the built-in arcade, and rediscover the hands-on joy of a green-screen computer.

48K retro microcomputer with Level II BASIC
Built-in keyboard and local program support
An arcade of original games

Website trashbox80.com Web app app.trashbox80.com

Launch Web App