SkyOS
SkyOs was created by Austrian Robert Szeleney in his free time. It featured full desktop enviroment. Many different popular applications were ported to SkyOS, for example: Apache, Mozilla Firefox, Thunderbird, Blender, NVU, Bash... SkyOS up to version 4 was freely available, however not open source. The author was initially charging a small fee for version 5.x. The last known version (Version 5 Build 6947) was released in August 2008. Robert Szeleney released Build 6947 free of charge in 2013 [1].
Build 6947:
- user: public
- serial: 4Q7W5-HTRRW-6WYHW-45KW7-XQLXL
Links: Homepage [Archived]