Amium

Amium is a document and file sharing and editing program for Microsoft Office, Excel and PowerPoint. All versions of documents are saved for later editing. Extension of functionality is possible through the integration of services and platforms such as BitBucket, GitHub, HelloSign, Jira, FreshDeck, Crashlytics, Mailchimp, New Relic, PageDuty, Stripe, Bonusly, Cat, Reaction or even Giphy. Files are constantly synced and shared so you can work on them together in real time. Changes appear right away in the conversation sequence.