Here are some of the resources here at development.orians.org.
teamcity.orians.org - Login required (has guest account). Instance of continuous integration running a JetBrains TeamCity
github.com/ajorians - Repositories of source code hosted on GitHub
compilerexplorer.orians.org - Test code samples online. Instance of Compiler-Explorer
nextcloud.orians.org - Login required. Notes, files and more. Instance of NextCloud
gogs.orians.org - Login required. Mirror of GitHub repos. Instance of Gogs
notes.orians.org - Note writing place. Instance of Codimd
kanboard.orians.org - Login required. Project management boards. Instance of Kanboard