JoikuSpot, an application that allows users to share their cellular data connection through AdHoc WiFi, is now out of beta for Maemo. Joiku will be running a introductory special: Unfortunately it's still not available through Extras or the Ovi Store, so users will need to add Joiku's repository with the provided .install file to install the application.
Thomas Perl has released RaeMote a new desktop widget that allows the N900 to emulate an Apple remote. RaeMote is a Desktop widget for Maemo 5 that allows you to use your N900's CIR (consumer infrared) port as an Apple Remote. RaeMote is currently available in Extras-testing (standard disclaimers and warnings apply), testers and contributors are welcome.
Pascal Jermini has released Erminig-NG which synchronizes your Google calendar with Maemo 5. It is currently available in Extras-devel (standard warnings and disclaimers apply), testers and contributors are welcome.