Suggest an alternative to

StandOut

StandOut lets you easily create floating windows in your Android app.

Why do you think that https://github.com/umano/AndroidSlidingUpPanel is a good alternative to StandOut

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with StandOut. Optional.

A valid email to send you a verification link when necessary or log in.