Postbox - The Power Email App for busy professionals, like you.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.