You really count on using things like GitKraken in the Server? Git itself is powerful enough:

git log --graph --full-history --all --color \
        --pretty=format:"%x1b[31m%h%x09%x1b[32m%d%x1b[0m%x20%s"

ref:
https://stackoverflow.com/questions/1838873/visualizing-branch-topology-in-git