DOSPlus v3.5 (1983)(Micro-Systems Software)[Master][DMK] ROM Download (Tandy TRS-80)

Disk Repair Utility v5.1 (1981)(Logical Systems)[LDOS][CMD] ROM Download (Tandy TRS-80)

Defend (1979)(Lloyd Frink-Cload)[BAS] ROM Download (Tandy TRS-80)

DoubleDOS v4.23 (1980)(Percom Data)[DMK] ROM Download (Tandy TRS-80)

Distance Scales (1980)(Marc Weyl-CLOAD)[BAS] ROM Download (Tandy TRS-80)