Shift - Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps
Involve - Get behind-the-scenes access to your favorite nonprofits
Mia for Gmail - A desktop email client for your Mac, without a browser !
DonatePal - The new way to donate to charities
Mailplane - Mailplane is the best way to use Gmail on your Mac. Use an unlimited number of accounts, get new mail notifications, use plug-ins and much much more.
Software Donation - Donate tools to enable remote work during COVID-19 outbreak