- CONFIG80.COM: configuration of the serial port, disassembly in progress;
- COPY8003.COM: disk copy utility;
- FMT8003.COM: disk format utility;
- FUNK00.COM: keymap configuration;
- PAR8003.COM: configure diskette units;
- REV.COM: delete files;
- RCX62.COM: receive data from serial port;
- SG8003.COM: boot sector copier, used to change the boot program
- SLF80037.COM: bootstrap application;
- TERM80.COM: serial terminal;
- TRX62.COM: send data through serial port;
All of these sources can be found in cpm2-plm.zip from retroarchive.org. Some of these sources are in in PL/M language, the compiler can be found in Digital Research Source Code page.
- ASM.COM: ASM80 assembler from Digital Research;
- DDT.COM: debugger from Digital Research;
- DUMP.COM: dump file content;
- LOAD.COM: from Digital Research;
- PIP.COM: move or copy files;
- STAT.COM: disk usage, character i/o management;
- SUBMIT.COM: system utility from Digital Research;
- XSUB.COM: TODO.
- ED.COM: text editor;
- INSTALL.COM: Microsoft Install;
- KANABAS.COM: basic interpreter;
- KBAS75.COM: basic interpreter;
- KBASIC.COM: basic interpreter;
- MP.COM: Microsoft Multiplan;
- MBASIC.COM: basic interpreter;