Google Drive lets you keep all your Google apps for education stuff in one place. Upload all your files from your computer - even the big ones - and you can access them anywhere.
Dropbox is a free service that lets you bring all your photos, docs, and videos anywhere. Any file you save to your Dropbox is accessible from all your computers, iPhone, iPad and even the Dropbox website.
Evernote gets you effortlessly organized with notes that sync between all your devices. Be productive anywhere:
• Write notes, checklists, and research
• Clip from anywhere on the web
• Discuss your work with others, right within the app
• Present ideas without creating a slide deck