Arch: Arch
Ubuntu (and downstreams): Canonical
Enjoying Fedora. Find Debian (and downstreams) pretty solid as well.
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
Arch: Arch
Ubuntu (and downstreams): Canonical
Enjoying Fedora. Find Debian (and downstreams) pretty solid as well.
One that might be controversial: OpenSUSE Tumbleweed. I still have a lot of respect for this distro and I really wanted to like it but it's just not for me. It's the fact that major updates could occur any day of the week, which could be time-consuming to install or they could change the features of the OS. It always presented a dilemma of whether to hold back updates which might include holding back critical updates.
So rolling distros aren't for me, everyone expects to run in to some occasional issues with Arch, but TW puts a lot of emphasis on testing and reliability, so I thought it might be for me. But the reality is I much prefer the release cycle and philosophy of Fedora, I think that strikes the best balance.