Discussions
IRC channel #opengrok on Freenode
The mailing lists are available on http://java.net/projects/opengrok/lists
Archives of mailing lists (opengrok-dev@opensolaris.org and opengrok-discuss@opensolaris.org) prior to moving the project to github are available in compressed form on http://java.net/projects/opengrok/downloads/directory/archive-mails
Current and past archives of opengrok-discuss mailing list in readable/searchable is available on marc.info
