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
Chart.js - Easy, object oriented client side graphs for designers and developers.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
MailClark - The Slack bot for external communications
Google Charts - Interactive charts for browsers and mobile devices.