When comparing RebornOS vs openSUSE Tumbleweed, the Slant community recommends RebornOS for most people. In the question“What are the best Linux distributions for KDE Plasma 5?” RebornOS is ranked 12th while openSUSE Tumbleweed is ranked 15th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Antergos with more desktops
Pro Highly and Easily Configurable
You can easily choose from a list of browsers, desktops, office suites, etc, all from the installer.
Pro Good Repo
Reborn's dedicated repo has some extra packages that are difficult to find elsewhere, in addition to the official Arch repos, community repos, and the AUR.
Pro Stable
Tumbleweed is stable enough to use every day. Updates are OpenQA tested to ensure stability before being released for Tumbleweed. Bleeding edge untested software can be tried using OpenSUSE factory.
Pro Easy installation and cutting edge apps
Pro A large amount of software
Pro Tumbleweed + OpenSUSE Build Service
Pro Good selection of preinstalled applications
Pro User friendly + Good support
Active and friendly user community, updates come fast
Cons
Con Crashes
Crashes every time when trying to install.
Doesn't even install it in virtualbox or VMWare.
AVOID.
Con Little / no third-party support
Like it or not, most third parties don't want to deal with less-popular distros. So most of them only support Ubuntu LTS and those versions of RHEL/CentOS that are still supported.