Mailplane

Easily create new to-do items that link back to your Gmail conversation.

It's very easy to create a new to-dos based on email conversations. Most importantly, Things creates a to-do that links back to the Gmail conversation.

Here's how it works:

1. In Mailplane: open a Gmail conversation.

2. Select some text inside the conversation, it'll be added as Things to-do note:

3. Select Mailplane > Services > New To-Do containing selection as note or simply press ⌃⌥⇧⌘0. As a result you'll get the Things Quick Entry dialog:

4. Make your changes and press Save to add the to-do. After the dialog closes, the to-do can be found in your Things inbox. Just click the email link and your conversation will magically open inside Mailplane.