The following list is a lineup of all programming languages and development systems for TOS-compatible operating systems that I know about. No claim is made for completeness.
| Type | Name | Manufacturer/Distributor |
| Application Builder | • ACSpro | Maxon Computer GmbH |
| APL | • APL.68000 | MicroAPL |
| Assembler | • Devpac | HiSoft, R.O.M. Software |
| • Devpac-DSP | HiSoft | |
| • DSPdit | Crac, TSCC | |
| • Easy Rider | Andreas Borchard, Osnabrück | |
| • Pure | Application Systems | |
| • TurboAss | Freeware, Markus Fritze | |
| Basic | • GFA-Basic | GFA, Richter Distributor |
| • HiSoft-Basic | HiSoft | |
| • Omikron-Basic | Omikron | |
| C | • GNU | Freely available (GNU licence) |
| • Lattice | HiSoft, R.O.M. Software | |
| • Pure | Application Systems | |
| • Sozobon | Freeware, Jerry Geiger | |
| C++ | • GNU | Freely available (GNU licence) |
| Fortran77+ | • Fortran for GEM | Prospero, Plünnecke |
| • Fortran for TT | Prospero, Plünnecke | |
| Functional languages | • Clisp | Freeware, Michael Stoll |
| • Gofer | Marc P. Jones | |
| Modula-2 | • Hänisch-Modula | Modular Systems, Würzburg |
| • LPR-Modula | Technische Uni München | |
| • Megamax | Thomas Tempelmann | |
| • Modula-2/68 | Ana-Systems Inc. | |
| • TDI-Modula | Modula/2 Soft | |
| Oberon | • STJ-Oberon-2 | Stephan Junker |
| Pascal | • Maxon-Pascal | Maxon Computer GmbH |
| • Pascal XSC | Numerik Software GmbH | |
| • Pure Pascal | Application Systems | |
| • ST-Pascal | CCD, Walluf | |
| RCS | • Interface | no|Software |
| • ORCS | Shareware, Carsten Otto | |
| • ResourceMaster | Armin Diedering |
See also: Literature Appendix