Skype

The Web’s top software app for voice and video chat, Skype is a particularly nice low-cost alternative for students who find themselves making International calls. With free Skype-to-Skype calls and cheap rates on calls to mobile or landlines, the service is even available for mobile users on a good number of Android, BlackBerry and Nokia devices, as well as Apple’s iPhone 3G or 3GS. With video-conferencing features that support up to five users in one group chat and audio-conferences with up to 25 participants, study group never seemed easier.
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Flash My Brain

Flash cards have gone digital. Study for exams with Flash My Brain ($5.99 for iPhone), an app that allows you to create your own flash cards – iPhone users can even add photos or sounds to their cards for tailor-made study sessions. Or, quiz yourself with some of the 100,000-plus cards already included in the Flash My Brain library.
More on Time.com: 20 Back-to-School Gadgets















