Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

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.

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support

Scrivener - Scrivener is a content-generation tool for composing and structuring documents.