Operating systems of the 2000s
Every operating system in the Atlas that first appeared in the 2000s — 10 entries.
| Name | Years | Status | Family | Creator / origin |
|---|---|---|---|---|
| MenuetOS | 2000– | Dormant | Independent | Ville Turjanmaa |
| z/OS | 2000– | Alive | OS/360 | IBM |
| Haiku | 2001– | Alive | Independent | Haiku Project |
| macOSMac OS X | 2001– | Alive | Unix | Apple |
| DragonFly BSD | 2003– | Alive | BSD | Matthew Dillon |
| KolibriOS | 2004– | Alive | Independent | KolibriOS team |
| iOS | 2007– | Alive | Unix | Apple |
| Android | 2008– | Alive | Linux | Android Inc. → Google / Open Handset Alliance |
| OpenSolaris | 2008–2010 | Dead | Unix | Sun Microsystems |
| webOS | 2009– | Maintenance | Linux | Palm → HP → LG |