Todoist is a popular to-do list and task manager. With Mailplane you can easily create tasks based on Gmail conversations (it isn’t supported in Google Inbox due to technical limitations).
Install Todoist for Mac
Open a conversation in Mailplane
Select some text you’d like to see in the note section of the new task. Mailplane copies the current message if you don’t select a text.
Save to Todoistfrom the Edit menu.
Edit the newly created task and press