| 1st release → | .net framework 1.0 → | 2002 |
| 2nd release → | .net framework 1.1 → | 2003 |
| 3rd release → | .net framework 2.0 → | 2005 |
| 4th release → | .net framework 3.0 → | 2006 |
| 5th release → | .net framework 3.5 → | 2008 |
| 6th release → | .net framework 4.0 → | 2010 |