Flow-e is a visualization layer on top of your Gmail or Outlook inbox. It provides an elegant Kanban-like workflow that's combined with the ideas behind Inbox Zero and GTD. Flow-e eliminates the need of external task management tools and transforms your inbox into a central To Do app.
Punkpost - Send handwritten cards as quick as texting
KanbanMail - A Kanban board for your emails.
Inkpact - Send genuine handwritten messages in just a few clicks
Sortd - Rated the #1 App for Gmail
Fountain Greetings - Handwritten cards. Curated gifts. Right at your fingertips.
Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)