-
projects-mobile
ONLYOFFICE Projects is a free project management app for Android-based devices. It allows users to create and track projects, tasks, subtasks, and milestones on the go.
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
While CollaboraOffice has a real Office App for mobile (although still not productive, but at least it has capabilities), the OnlyOffice Projects App should absolutely be on FDroid, to allow to do some work on your phone.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.