Synology Note Station - Without needing to spend money on Evernote, Synology Note Station provides a desktop client to organize all your random notes in one place.

Create Issue Branch - Automates the creation of issue branches on GitHub

UpNote - A beautiful and clean cross-platform app for notes organizer

Gitscout - A beautiful Github Issues experience for macOS

Pocket Lists - World’s Friendliest To-Do List App

HubDesk - HubDesk lets you receive and respond to emails with Github issues.