If you are interested in specific tools, features, or apps, such as collaborative office tools, maps, photos and video recording, or push notifications, come check out the relevant talks or discuss with the speakers!

Besides the CalyxOS team, you'll find OS development teams for /e/OS, postmarketOS, and Sailfish OS. There are also teams that build FOSS app platforms, such as F-Droid and IzzyonDroid, as well OEMs including Fairphone and SHIFTphone.

#FOSDEM2026 is almost here! Join the FOSS on Mobile devroom on Saturday organized by a group of custom ROM developers, OEMs, and app builders including us. Deep dive into 21 talks on the current state of AOSP, Linux on mobile, and mobile app ecosystem. https://fosdem.org/2026/schedule/track/foss-on-mobile/