| Name | Project | Active date |
|---|---|---|
| Kam Man Chu | tools.ptp | March 24, 2005 |
| Ken Clyne | technology.epf | August 19, 2008 |
| Kim Coleman | eclipse | January 28, 2004 |
| Kim Coleman | tools | January 28, 2004 |
| Kevin Cornell | eclipse | January 28, 2004 |
| Kasandra Darwin | technology.dash | December 19, 2017 |
| Kalin Daskalov | technology.xfsc | August 1, 2023 |
| Klaus Deissner | technology.ogee | March 11, 2014 |
| Katharina Dengler | modeling.fennec | November 28, 2024 |
| Katharina Dengler | technology.daanse | April 1, 2024 |
| Katharina Dengler | technology.daanse | May 21, 2024 |
| Kris De Volder | ecd.flux | April 1, 2014 |
| Kris De Volder | ecd.orion | March 13, 2012 |
| Kim Kelley | eclipse | January 28, 2004 |
| Kevin Doyle | tools.tm | October 11, 2007 |
| Kent Siefkes | tools | January 28, 2004 |
| Kolja Dummann | technology.mbeddr | February 13, 2014 |
| Kristian Duske | technology.gef3d | November 11, 2008 |
| Kristian Duske | technology.n4js | April 27, 2017 |
| Kelvin Chan | eclipse.platform | May 29, 2007 |