All of Maclipse is on GitHub

The Equinox Executable plugin (which adds support for double-clickable eomodels opening in Entity Modeler, for instance)

http://github.com/mschrag/maclipse_equinox_executable/commits/mschrag_R3_4_maintenance

The Workbench UI plugin:

http://github.com/mschrag/maclipse_ui_workbench/commits/mschrag_R3_4_maintenance