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Another alternative is to look for current problems that nobody is working on or thinking about needed projects that currently do not exist.
An example is to create or contribute to internal use learning material such as how to use git/github, confluence, rocket-chat (I still don't how how to initiate a direct message ), zoom (such things as record and sharing screen)
Learn enough about that project to contribute to existing learning material or start your own new learning material project
For existing learning projects, go to the Resource link page and look for exact things to do.
If there is no to-do list for a projecta project, ask the project liaison to give you a task
Another thing to do is to sign up as an available tester of material
A good way to find work is to look at projects with any status except for complete