Time Sink - Time Sink helps you track how you spend your time on your Mac.
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
Anti-Social - Anti-Social is a productivity application for Macs that turns off the social parts of the internet.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
Strict Workflow - Enforces the Pomodoro time management technique by blocking distracting sites
Freeplane - Freeplane is a powerful and free software for building mind maps.