Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.

Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.

Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.

Wondershare PDFelement - All-in-one PDF editor