I will only include this one as a warning:
Do NOT use it!
Although it might look nice and easy to use at first, its various
scripts for maintaining the system are bug-ridden, filled with
textbook examples of what not to do with
pacman and with Arch in
general (partial upgrades, forced downgrades of system-critical
packages, fake improvements of stability, etc…)1. Also, the
association taking care of Manjaro is shady2. Oh, and they
don’t know how to properly maintain their forum3.
Leadership controversy: a Reddit thread and a HackerNews thread