Since the announcement that joerg_rw that the Neo900 project has ended with no hardware to ever be available maybe it is time to move this topic as well to the Old heading for archival.
I also nominate Leste with already working installs and a realistic future to be on top above Sailfish as the next in the Maemo(Meego) family rather than below Maemo5.
Last posts were in 2017 in this major heading.