Antergos is described as 'As its father, Arch Linux , is a rolling release distro. It started life under the name of Cinnarch, combining the Cinnamon desktop with the Arch Linux distribution, but the project has moved on from its original goals and now offers' and is a popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Antergos for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Mac apps. The best Antergos alternative is Linux Mint, which is both free and Open Source. Other great apps like Antergos are Manjaro Linux, Arch Linux, Debian and Fedora.
Manjaro and Antergos are both rolling release, Arch-based Linux distros offering multiple desktop environments. Manjaro, however, is the more polished, more user-friendly and with the better community support. The world is big enough for both, but it's hard to see why Manjaro shouldn't be the first choice between the two.