Here are some of the favorite and still useful contributions to the RTE CSL.
| BR_TOOLS | 4030/Z002 | binary relocatable tool-kit |
| CCS-C | 4130/A001 | the C compiler |
| C HP45 | 2433/I007 | HP 45 calculator simulator |
| CMM6 | 2433/I005 | access to all parts of the RTE-6 system |
| CMMA | 2830/M216 | access to all parts of the RTE-A system |
| ENTRIES | 3426/T002 | reports RTE-A operating system properties |
| GLOBALSPACE | 4320/B031 | Global directory disk space reporting |
| KERMIT | 4230/B009 | file transfer program |
| IMREL | 3030/P063 | one of several relocateable dis-assemblers (see also ORCAM and RELIA) |
| LOOKY | 4030/Z005 | examine various parts of the system |
| SYSMV | 2625/K054 | move a program into the system session |
| TAIL | 3635/V001 | UNIX tail command |
| TAR | 3326/S001 | writes TAR tapes very quickly |
| WHZUP | 3226/R026 | program status monitor, similar in function to top/wintop on other systems |