Hiver - Manage Customer Support, Sales and Projects right from your Gmail inbox. Collaborate with Shared Labels, Shared Contacts, email notes, email reminders and email templates
Chars - Unicode Symbols Keyboard for iOS
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
Buno - Simple Note Taking - Simple, minimal & easy note-taking
DuoCircle - DuoCircle provides enterprise spam filtering and email management solutions.
Falcon for iOS - Writing notes made simple