| name | image | follows | core | development status | license | source model | date released | Language | Latest version | Website | family |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Windows Server 2000 | Windows NT 4.0 | 17/02/2000 | SP4 Update Rollup v2 | Website | |||||||
| Windows Server 2003 R2 | Windows Server 2003 | Website | |||||||||
| Windows 10 |  | Windows 8.1 | Hybrid | Development | Propietary software | Closed | 29/07/2015 | Arabic | 10.0.17763.348 | Website | Microsoft's OS |
| Windows Phone 8.1 |  | Windows Phone 8 | Hybrid | Abandoned | Propietary software | Closed | 14/04/2014 | 8.10.14157.200 | Website | Microsoft's OS | |
| Windows Server 2008 |  | Windows Server 2003 | Hybrid | Active | Propietary software | Mixed | After 04/02/2008 | 6.1.7000 | Website | Microsoft's OS |