Improve open source community sustainability by tracking these two metrics: 
In early 2020, I wrote an article on three metrics for tracking and measuring offline, in-person community-building activities. Little did I (or the world) know then that offline, in-person activities of any kind would soon become unfeasible for the foreseeable future.
read more: Opensource.com Kevin Xu
Supporting Open Source.
Have you tried: Sailing in Africa ?