Superpowered - Power through the day without your calendar
Makerlog - Makerlog is the dead-simple task log that helps you stay productive and ship faster.
Itsycal - Itsycal for Mac. Itsycal is a tiny menu bar calendar. If you want, it will display your events as a companion to the Mac Calendar app. You can also create and delete (but not edit) events. Download Itsycal for macOS 10.
WIP.co - Work in progress. We are a community of makers who help each other ship product.
InstaCal - The missing menu bar calendar for MacOS
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.