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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.
Note that we are not reading IRC 24 hours per day, so if no-one responds, please stick around or try again later.

Discussion Forums

openMSX forum on MSX Resource Center
Discussions on openMSX, Catapult and C-BIOS.

Bug Reports and Feature Requests

openMSX Issue Tracker
You can report bugs or request new features for openMSX itself in the issue tracker on GitHub.
Catapult Issue Tracker
You can report bugs or request new features for openMSX Catapult in the issue tracker on GitHub.
Debugger Issue Tracker
You can report bugs or request new features for the openMSX Debugger in the issue tracker on GitHub.

Mailing Lists

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.