- Versant Corp for Vitness (mainly ECF discovery and UI)
- Cloudsmith Inc. for Buckminster.
- Eclipse Platform includes Equinox p2 which uses ECF for all network data transfer.
- IRC users on irc.freenode.net, #eclipse, #eclipse-dev, #eclipse-ecf and others use the KOS-MOS IRC bot, which was built using the ECF Bot Framework.
- The EPP project includes ECF in the RCP package
- The eConference project