MustardOS

MustardOS is a Custom Firmware (CFW) primarily for handheld devices. Configurable, themeable, friendly, easy-to-use.

About

Community size

37.5Kmembers

Member growth

Net change: N/A
7-day rate: N/A

Observed May 23, 2026

About this data

Approximately 37,534 members in this snapshot.

Member change includes joins and departures across observations roughly a week apart. The growth rate is normalized to seven days.

Last observed: May 23, 2026.

Server Details

muOS is an custom firmware system for handheld devices. This community is great at solving most problems. Users talk openly to fix issues and strive to help each other out. This team work ensures users get quick help and makes the firmware better over time. If you have a question, issue, or a brand new idea, the community helps out. We also like to create new and innovative things for muOS. Expanding these devices to more than just emulating your favourite game, we love a good challenge. Hope you check us out!