| agent | applet |
| application | application programming interface |
| assembler | BIOS |
| bloatware | bot |
| browser | cancelbot |
| chatterbot | client |
| converter | courseware |
| crawler | cross-assembler |
| cross-compiler | daemon |
| database management system | debugger |
| diagnostic | dialler |
| disassembler | driver |
| droid | editor |
| executable | expert system |
| filter | firewall |
| firmware | freeware |
| garbage collector | generator |
| gopher | graphic equalizer |
| groupware | hack |
| interface | interpreter |
| keylogger | knowbot |
| linker | loop |
| macro | mailer |
| malware | manager |
| microbrowser | microprogram |
| middleware | nagware |
| navigator | newsreader |
| object program | outliner |
| packet sniffer | parametric equalizer |
| parser | personal information manager |
| plug-in | preprocessor |
| rotoscope | routine |
| run-time | scheduler |
| script | search engine |
| servlet | shareware |
| shell program | shovelware |
| simulator | sniffer |
| source program | spellchecker |
| spreadsheet | suite |
| telnet | text editor |
| tool | translator |
| Trojan Horse | user interface |
| utility | vaccine |
| vapourware | virus |
| walk-through | warez |
| word processor | workalike |
| worm |