Each modular system
- Fremo160 - About FREMO N Track
- americaN-Module - Forum FREMO-Module Group americaN
- Fremo-H0m - H0m activities FREMO
- Fremo H0e - H0e activities FREMO
- Fremo-H0n3 - Discussion group for FREMO Narrow Gauge Division
- Fremo 87 - FREMO in scale 1:87 exactly
- Fremo H0fine - H0-Scale Fine after NMRA RP3/RP4 in FREMO
- Fremo-TT - Activities of FREMO-TT-Bahner
- Fremo-USA-Unna - Activities for FREMO-USA - Unna Division
- Southwest-Division - Activities for the Southwest Division
- Fremo US DK - Activities for the Danish US Group
- Fremo US Sweden - Activities for the Swedish US Group
- Fremo 32 - Fremo Group on Track 1
- Fremo 1-45 - Plattform for all friends of the scale 0 FREMO
- 0-Scale Division - Railways in North America in track width 32mm, 1:48
