| CAT-250 Repeater Controller | This controller was specifically developed to provide sophisticated remote base and or link operation at an affordable price. |
| G1SLE Repeater Logic | An interesting repeater logic. |
| G8CUL Repeater Logic | Probably the best (UK) designed repeater logic available and used on several UK repeaters. |
| SCOM Repeater Products | Manufacturer of Amateur and Commercial Repeater Controllers, Autopatches, and Accessories. |
| PC Repeater Controller by G4KLX | This group is intended for people using or intending to use a PC to control their repeater. Initially the controller will be for an analogue repeater, but later versions will include a D-Star repeater, and eventually a mixed mode controller. The source code and support will be available via this group. |
