Be sure to check out 3-Lib's list of S60 freeware utilities, games, and apps!! This list just keeps getting bigger. Can't wait to see more Python applications added to this in the near future. Here's a few of my S60 freeware favorites...

AutoLock	Automatically keylocks your smartphone after a configurable number of minutes.	Home page
FExplorer	Superb file manager and tools package.	Home page
SMS Assistant	SMS answering system.	Home page
SyncML	Synchronize your calendar and contacts with a remote SyncML server (account needed).	Home page
Torch	Blanks the screen white so that you get maximum backlight for use as a torch!	Home page
XXL Screen Saver	Replaces default screen saver with bigger, more readable clock	Home page
Doom	Engine to play the standard shareware Doom WAD file(s).	Home page
Frogger	The classic arcade game	Download
GoBoy	GameBoy emulator.	Home page
Wolfenstein 3D	Pre-Doom first person shooter	Home page
Yahtzee	The classic dice strategy game	Home page
Agile Messenger	Instant Messaging for all IM systems on the Internet.	Home page
Azure	Blogging client	Home page
Google Local for Mobile	Mapping and satellite imagery for anywhere on the earth's surface	Home page
OggPlay	A great music player, limited on some Series 60 phones by the hardware's mono output... .ogg files are half the size of MP3, making them a good choice.	Home page
Opera Mini	Proxy-based mobile browser, extremely byte-efficient	Home page

Source: All About Symbian