Sortd - Rated the #1 App for Gmail
Yubilly - Digital email receipt, invoice wallet and inbox management.
KanbanMail - A Kanban board for your emails.
ExpenseBot - ExpenseBot takes the hassle out of expense reporting with our intuitive interface and powerful integrations. Your employees will love us, and so will you!
Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)
Dolphyn Receipt Manager - Smart way to track your receipts