A group of open source Android apps without ads and unnecessary permissions

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Simple-Calendar

58 3,475 9.2 Kotlin

A simple calendar with events, tasks, customizable colors, widgets and no ads.

I would be wary of using their calendar app. It has had a long-standing bug in basic timezone / DST handling:
https://github.com/SimpleMobileTools/Simple-Calendar/issues/...

Simple-File-Manager

34 1,453 8.6 Kotlin

Easy app for managing your files without ads, respecting your privacy & security

Warning, the reaction to massive security issues in a bundled PDF reader of the file manager made me uninstall all of these apps. Safety of my device and data is paramount.
https://github.com/SimpleMobileTools/Simple-File-Manager/iss...
https://github.com/SimpleMobileTools/Simple-File-Manager/iss... where the developer shows no grasp of security "what can happen to an app without internet access?"
A "simple" file manager should not come with a PDF reader.

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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.

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