Citadel is a powerful open-source groupware platform that includes email, calendaring, address books, bulletin boards, instant messaging, and more. It can be installed on macOS as well. Here is a step-by-step guide on how to install Citadel on macOS:
If you don't have Homebrew installed, you can install it by running the following command in Terminal:
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
After installing Homebrew, install the Xcode command-line tools by running the following command in Terminal:
xcode-select --install
brew update
brew install citadel
/usr/local/citadel/citadel start
Congratulations, you have successfully installed Citadel on macOS! You can now take advantage of its powerful features, including email, calendaring, and more.
If you want to self-host in an easy, hands free way, need an external IP address, or simply want your data in your own hands, give IPv6.rs a try!
Alternatively, for the best virtual desktop, try Shells!