BASIC

ScriptBasic Splash Screen
Computers, Programming, Languages, BASIC - ScriptBasic. Open Source GPL BASIC interpreter supporting Win32, UNIX, Linux.
http://www.scriptbasic.com/
X11-Basic Homepage
Computers, Programming, Languages, BASIC - X11-Basic. A BASIC shell script interpreter for UNIX/Linux with full X11-Graphics support.
https://x11-basic.sourceforge.net/
WIN32 PS2 YaBasic Emulator
Computers, Programming, Languages, BASIC - Win32 PS2 YaBasic Port. Contains executable to allow you to run PlayStaion2 programs programmed in YaBasic as well as links, an FAQ and sample programs.
https://win32yabasic.sourceforge.net/
WarkenSoft Productions BASIC Homepage
Computers, Programming, Languages, BASIC - WarkenSoft Productions BASIC Homepage. WarkenSoft Productions is dedicated to bringing quality BASIC programming to the WWW.
https://www.warkensoft.com/
Gambas - Gambas Almost Means Basic
Computers, Programming, Languages, BASIC - Gambas. A graphical Basic language for Linux with objects and plug-ins.
https://gambas.sourceforge.net/
Ethan Winer - Home Page
Computers, Programming, Languages, BASIC - Full Moon Software. offers add-on products and utilities for several Basic languages for DOS.
http://ethanwiner.com/
Zephyr Software - Home Page
Computers, Programming, Languages, BASIC - Zephyr Software. SVGA graphics libraries for several languages, including PowerBasic and QuickBasic.
https://www.zephyrsoftware.com/
Mid-Atlantic Data Systems -
Computers, Programming, Languages, BASIC - Mid-Atlantic Data Systems. Authorized reseller for Addon, Basis, and Facetcorp specializing in custom programming.
http://www.midatlanticdata.com
BIS Computer Solutions, Inc.
Computers, Programming, Languages, BASIC - BIS Computer Solutions,. BusinessBasic, development and networking.
https://biscomputer.com/