Conduit - Your data-driven AI chief of staff
Really Good Emails - A large collection of good product email design.
QuotaPath - Calculate commission and quota attainment easily, for free
Good Sales Emails - Best sales emails from great companies
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Great Email Copy - A dose of emails from around the web.