We just started our own public iPhone library: http://github.com/openresearch/zimt
For now it includes:
ZTFakeLocationManager
CLLocationManager subclass that can read a list of waypoints from a file and simulate location updates. Meant to be used on simulator for testing. See samples/FakeLocation
ZTWebSocket
Probably the first WebSocket client implementation written in Objective-C

We are currently developing an iPhone App which requires localization support and I ran into an issue while trying to get currently set language.

Cocoa Touch has a class called NSLocale which let’s you query the language by writing the following code:
[NSLocale currentLocale] objectForKey:NSLocaleLanguageCode];

At least one would expect so, but it actually gives you the language [...]

http://blog.boxedice.com/2009/07/10/how-to-build-an-apple-push-notification-provider-server-tutorial

http://withfoam.com
http://iphonedevelopment.blogspot.com
http://github.com/neror/ftutils (Core Animation Helper)

We have released MeetMe as a free application.

Get it on the App Store!

Get it at: http://www.benzinapp.at

App Store link: http://www.benzinapp.at/download

Apple has just released our iPhone application Benzin to the App Store!

Benzin is basically a very nice interface to find the nearest and cheapest gas stations in Austria.
We used quite some tricks to speed it up and keep the over thousand gas stations browsable in a fast and convenient manner.

We support the following fuel types [...]