GitHub Clients

To clone the repository, you'll need a GitHub client app on your PC. There are several to choose from...

GitExtensions

https://gitextensions.github.io/

GitHub Desktop

This is easiest to use, and it's made by GitHub. That being said, recently it's been suffering some issues with Windows Mandatory ASLR and also symlinked GitHub Org repositories (like TMPE).

https://desktop.github.com/

GitKraken

GitKraken is authorised on the main CitiesSkylinesMods org so can be used with all projects hosted there.

https://www.gitkraken.com/

Git Tower

https://www.git-tower.com/

SmartGit

Commercial app?

https://www.syntevo.com/smartgit/

Source Tree

Requires Atlassian Bitbucket account.

https://www.sourcetreeapp.com/

Tortoise Git

https://tortoisegit.org/