SeaMonkey [SEP] operating system
SeaMonkey project releases official builds for Linux, macOS, and Windows. It also releases “unofficial” x86-64 builds for Linux.
Naming.
To avoid confusing organizations that still want to use the original Mozilla Suite, the new product needed a new name. After initial speculation by members of the community, a July 2, 2005 announcement confirmed that SeaMonkey would officially become the name of the Internet suite superseding the Mozilla Suite.
"Seamonkey" (with a lowercase "m") refers to brine shrimp
often developed software collaboratively. For example Donald Knuth in 1979 with the TeX typesetting system or Richard Stallman in 1983 with the GNU operating system. In 1997, Eric Raymond published "The Cathedral and the Bazaar", a reflective analysis of the hacker community and free-software principles. The paper received significant attention in early 1998, and was one factor in motivating Netscape Communications Corporation to release their popular Netscape Communicator Internet suite as free software. This source code subsequently became the basis behind SeaMonkey, Mozilla Firefox, Thunderbird and KompoZer