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openMSX

the MSX emulator that aims for perfection

Contact

IRC

#openmsx on Freenode
You'll find most of the developers here on a regular basis. Don't hesitate to visit, don't hesitate to ask anything openMSX related. Remarks, suggestions, ideas—also for Catapult and C-BIOS—are most welcome!
For your convenience, we can also offer you web-based access to our IRC channel. Try it by following this link! It will open the chat room in a new window or a new tab. Change your nickname and join the chat!

Discussion Forums

openMSX forum on MSX Resource Center
Discussions on openMSX, Catapult and C-BIOS.
SourceForge openMSX forums
SourceForge hosts a number of forums (two, at the moment) for openMSX.

Mailing Lists and Trackers

SourceForge openMSX mailing lists
SourceForge hosts a number of mailing lists for openMSX. None of these mailing lists is high-volume; expect just a couple of messages per week. In practice, IRC has replaced these mailing lists.
SourceForge openMSX Tickets
SourceForge also hosts ticket trackers, that enable you to reports bugs, request new features etc. Note that you do need a SourceForge account to create new tickets.