1993.4.19 NetBSD
1993.7.17 Slackware(still alive and well maintained!)
1993.9.15 Debian(still alive and well maintained!)
1993.11.1 FreeBSD
1994.3.29 S.u.S.E. Linux(originally based on Slackware)
1995.5.13 Redhat Linux
1996.7 OpenBSD
1998.7.23 Mandrake Linux(based on Redhat Linux 5.1)
2000.2.22 RHEL
2000.8.31 SUSE Linux Enterprise
2002.3.11 Arch Linux(inspired by CRUX)
2002.3.31 Gentoo Linux
2002.12 CRUX
2003.6.3 NixOS
2004.10.20 Ubuntu
2005.4 Mandrake renamed to Mandriva
2005.8 Alpine Linux
2005.10 openSUSE
2008 Void Linux
2011.6.1 Mageia
2011.8.28 Last release of Mandriva
2012.4.2 OmniOS
2013.11.22 OpenMandriva
2021.5.30 Chimera Linux(not famous yet but very interesting)