There are 2 repositories under tandy topic.
PC-BASIC - A free, cross-platform emulator for the GW-BASIC family of interpreters
A curated list of awesome Tandy Color Computer development tools, software and resources.
Disassembled BIOS from 8088 machines
UNIX terminfo for TRS-80 Model 100 and Tandy 200 allowing screen control for TELCOM
Commander Keen 4 Tandy 320x200 16 color source code port
Ghidra Loaders and FileSystems for retrocomputing platforms
A "living" copy of the M100SIG.
8K RAM module for "Model T Computers" - TRS-80 Model 100, Kyotronic KC-85, NEC PC-8201, Olivetti M10
Misc. programs for old PC DOS machines: Tandy 1000, PCjr, etc.
Simple drivers and other small software hacks for Tandy 1000 and other old computers.
RetroStore aims to be an app store that is home to often long forgotten games and apps on platforms from our past.
Hobby project for vintage TRS-80 model 3, 4 and 4P computers made by Radio Shack in the 1980s.
IC Cards for TANDY WP-2
Circuits and programmable Logic for use with Tandy computers.
PCB and 3d-printable model to fit in the Molex 78805 DIP-24, DIP-28, and DIP-32 sockets found in some vintage computers and industrial applications.
Exploring the TRS-80 by learning some of the basics of LEVEL-II BASIC and Z80 Assembly
1983 cassette BBS ported from BASIC ;-)
Test utility for Matze79's TNDY and Serdaco's TNDLPT sound devices
Option RAM modules for TANDY 200 portable computer
Drop in replacement Power Supply board for Tandy 1000 EX and HX computers.
Stand-alone Tandy Printer output server to be used with the trs80gp emulators.