CPod
CPod is a simple but well-crafted cross-platform application for discovering, listening and managing podcasts. It features a clear user interface and ease of use, offers basic and advanced playback and customization tools, and lets you create your own podcast lists.
Flash
An application called Plash allows you to make any web page your desktop wallpaper. You can display your favorite news site, Facebook feed, or a random photo of beautiful scenery. The use cases are unlimited. You can even set an animated GIF as your wallpaper or add multiple websites and easily switch between them.
Linked
Linked is a sophisticated application for recording journal entries and notes in the interface of the macOS operating system (not only) on your Mac. It's fully customizable, offers hotkey support, offline operation, and of course has all the tools you need to create, edit, and manage your notes.
Tusk
Tusk is an unofficial, functional, community-based and free open-source Evernote client that has been loved by users in over 140 countries around the world. Evernote lists Tusk as an alternative client. Tusk offers the option to change the theme, Drag & Drop support, export records as PDF, HTML or Markdown and much more.