CartHook - Recover abandoned carts with email
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.
Customer.io Slack Action - Send notifications into Slack, based on user activity
KanbanFlow - KanbanFlow is a Lean project management tool allowing real-time collaboration between team members. Supports the Pomodoro technique for time tracking.
E-Commerce Stack - A curated directory of E-commerce tools & contents
Meistertask - MeisterTask is an intuitive task management and collaboration tool.