Anki: Memorize anything with Anki! Create your own flashcard deck or download FREE decks complied for many languages and topics! Available for free on Windows and Mac. Mobile app available for $24.99
Dragon Dictation: An easy-to-use voice recognition application allows you to easily speak and instantly see your text or email messages. In fact, it’s up to five (5) times faster than typing on the keyboard. Available on iPhone, iPad, and Android. Subscriptions available for $14.99/month or $149.99/year.
Wolfram Alpha: Remember the Star Trek Computer? It’s finally happening with Wolfram Alpha! This website is now available as an app providing expert knowledge in math and science. Helps calculate complex math equations, and has 3-D image visualizer. Available for free on the web. iPhone, iPad, and Android apps available for $2.99
Evernote: Evernote helps you remember everything across all devices you use. Stay organized, save your ideas and improve productivity. This App lets you take notes, capture photos, create to-do lists, record voice reminders and makes these notes completely searchable whether you are at home or on the go. Available for free on Windows, Mac, iPhone, iPad, and Android.
StudyBlue: You can make flashcards with text and images. Upload a file of terms or pictures and you can study them on the go. You can share your files with friends, and add their cards to your pile as well. Quizzes are also available on StudyBlue. Available for free on iPhone, iPad, and Android.
SoundNote: SoundNote is the best way to take notes in meetings, lectures, and interviews. It tracks what you type and draw while recording audio, so you'll never worry about missing an important detail. During playback, just tap a word: SoundNote will jump right to the proper time in the audio. Available for Mac and iPad.
Diigo: Bookmark webpages and find your bookmarks on any device. Users can highlight any part of a webpage and attach sticky notes to specific highlights or to a whole page. These annotations can be kept private, shared with a group within Diigo or a special link forwarded to someone else. Available for free on iPhone, iPad, and Android. Also available as a Chrome extension.
Forest: A great app for trying to stay focused. Plant a seed when you want to focus for a set period of time and come back to a fully grown tree if you keep other apps closed. Available on iPhone, iPad, and Android for $1.99.
Focusd: Block any apps you want for any period of time to keep you focused on studying. Available for free on Android.
Tomighty: A free, desktop timer built to use the Pomodoro technique to help you focus for long periods of time. Available for Windows and Mac.