| Name | Project | Active date |
|---|---|---|
| jiri vanek | adoptium.temurin-compliance | March 22, 2024 |
| Juilee Tikekar | dt.aaspe | September 5, 2023 |
| Julian Schneider | automotive.score | November 8, 2024 |
| Julian Wehrig | iot.diafanis | June 13, 2022 |
| Julien Vanwambeke | technology.dataspace-cap | June 10, 2024 |
| Jörg Sturmhoebel | automotive.dco.wss-packer | July 17, 2025 |
| Juergen Rose | iot.eclipsescada | September 10, 2013 |
| Justin Chen | webtools | June 18, 2007 |
| Justin Chen | webtools.jsf | October 3, 2005 |
| Johannes Utzig | tools.buckminster | October 5, 2009 |
| Jürgen Wurzinger | automotive.opendut | October 31, 2023 |
| Jim Van Dam | modeling.pmf | July 15, 2009 |
| Jonas Van Malder | science.statet | July 8, 2016 |
| Jason van Zyl | technology.aether | September 20, 2011 |
| Jason van Zyl | technology.hudson | July 27, 2011 |
| Jason van Zyl | technology.m2e | June 9, 2008 |