List of useful S60 applications for Nokia E61

These are the list of apps that I use in my Nokia E61:

Nokia Podcasting - Wonderful app for listening to podcast through your mobile on various topics.
Phone guardian - I purchased this app for my safety and it works fine for paying 7 bucks
Quick Expense - This app is paid and its worth it to make note of your regular expenses
Quick Secure - This app is paid and it allows you to safely store all the private data's.
Indevice Search - Wonderful app from Nokia which allows you to search the whole content of your mobile.
Reuters News - News service provided by Reuters
Nokia Internet Radio - Fun stuff
Snaptu - An app which allows you to add other stuffs 
Fring - Free talk, live chat & interact
Orkut - Orkut mobile
Google - Google search
Google Sync - allows you to sync your mobile contacts to the gmail contacts
Gmail - Google mail very useful during travel
Google Maps - Map services provided by google
Youtube - This is app is cool
Yahoo! Go - Gives good look and feel in your mobile