CloudMagic for Mac VS Funnster

Nylas Mail - The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.

Gigstarter - Gigstarter uses crowd funding to take the pain from arranging events.

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

Hop - Spike makes working easier and more efficient. Saving you and your team time, sanity, and a lot of headaches.

MailClark - The Slack bot for external communications

Floship - Floship is an international e-commerce order fulfillment, crowdfunding campaign, and shipping service.