| Name | Project | Active date |
|---|---|---|
| Craig Rasmussen | tools.photran | April 6, 2009 |
| Craig Rasmussen | tools.ptp | March 23, 2005 |
| Carsten Reckord | eclipse.e4 | July 19, 2017 |
| Carsten Reckord | mylyn.context.mft | December 2, 2011 |
| Carsten Reckord | technology.packaging.mpc | March 12, 2013 |
| Carsten Reckord | tools.mylyn | November 10, 2022 |
| Carsten Reckord | tools.oomph | June 18, 2015 |
| Carsten Reckord | tools.orbit | March 2, 2017 |
| Chris Recoskie | eclipse.e4 | October 30, 2008 |
| Chris Recoskie | tools.cdt | June 13, 2005 |
| Chris Recoskie | tools.ptp | July 24, 2008 |
| Christian Reichert | iot.kiso | May 16, 2019 |
| Cherie Revells | modeling.gmf-runtime | May 5, 2010 |
| Cherie Revells | modeling.gmf-tooling | May 5, 2010 |
| Cherie Revells | tools.gef | June 2, 2009 |
| Christopher Rickett | tools.ptp | July 16, 2007 |
| Caroline Rieseler | soa.stardust | November 5, 2014 |
| Cristina Pauna | technology.xfsc | May 24, 2023 |
| Colin Ritchie | mylyn.tasks | March 30, 2016 |
| Colin Ritchie | tools.mylyn | November 10, 2022 |
| Charles Rivet | modeling.papyrus-rt | April 9, 2015 |