Suggest an alternative to

UrlChecker

Android app by TrianguloY: URLCheck

Why do you think that https://github.com/nextcloud/server is a good alternative to UrlChecker

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 UrlChecker. Optional.

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