Card Caller (free): If you depend on calling cards, this app will help you keep track of them and recharge them.
Cisco WebEx Meeting Center (free): Attend WebEx meetings on your iPhone and see all the action.
Easy Wi-Fi ($2.99): Log into WiFi hotspots with ease and don't worry about remembering usernames and passwords.
FTP on the Go ($6.99): Log into your Web site to make changes or view files on your FTP server with this easy app. It even lets you download and view office documents.
Fuze Lite (free): Use Fuze to chat with your IM contacts and manage conference calls.
International Dialing Codes ($.99): Stay in touch with international colleagues with dialing prefixes for over 240 countries and 8,000 cities.
Remote Desktop Lite (free): Get access to an office PC running Windows XP Professional and view your data securely.
ZIP Finder (free): Learn the ZIP code for anyplace in the country in seconds.
ezShare ($4.99): Access files from your home and work computers, as well as MobileMe, iDisk, FTP servers, and even other iPhones running a WebDav server.
Folders ($1.99): Store, view, password protect, and even hide your documents with this app. Transfer files from any WiFi network.
Mobile Studio ($1.99): This file manager lets you share files with your computer, then view and edit them (or create new ones) on the go.
OneDisk ($7.99): Access files from your MobileMe iDisk, save them, and e-mail them. Also connects to any WebDav-enabled online file storage.
WiFi HD ($1.99): Turn your iPhone into a wireless, mobile external hard drive using only a WiFi connection.
AdelaVoice Voice Dialer ($4.99): Dial stored numbers simply by speaking the contact's name; a must for when you're driving.
FlightTrack ($4.99): Get real-time status information for flights around the world. Know your gate number and any delays before leaving home.
Gas Buddy ($2.99): The most comprehensive source of gas prices in North America, this app will tell you where to pay the least for a fill up.
MileBug ($3.99): Keep track of all the miles you drive for business. This app even lets you track mileage for multiple businesses.
MileBug (Lite) (free): This free version of MileBug is limited to ten trips, but includes all of the app's features.
Milog ($4.99): Keeping track of your miles is simple with Milog, which also tracks tolls and fees.