Unsplash Wallpapers for Mac (Official) - Curated, HD desktop background photos from Unsplash.
Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
Kajero - Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.
Wallpaper Wizard - Wow-worthy backgrounds for Mac
Calculist - The open-source, web-based thinking tool that facilitates effective thinking for solving problems.