ShoveBox is described as 'catches all those little scraps of information that you can't act on now but would rather not forget. It sits up in your menubar, waiting for you to drag in text, images, urls, and more' and is an app in the Office & Productivity category. There are more than 50 alternatives to ShoveBox for a variety of platforms, including Windows, Android, Mac, iPhone and Linux. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Evernote. Other great apps like ShoveBox are CherryTree (Free, Open Source), Zoho Notebook (Free Personal), Trilium Notes (Free, Open Source) and Cryptee (Freemium, Open Source).
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, can be copied, tagged and modified either from the applications directly or from your own text editor.
Notezilla is the leading sticky notes app for Windows, Android, iPhone/iPad and the web. Set reminders to sticky notes, Pin sticky notes, attach them to websites, docs & folders, sync between PCs and other devices, organize using folders and tags.
RedNotebook is a graphical diary and journal helping you keep track of notes and thoughts. It includes a calendar navigation, customizable templates, export functionality and word clouds. You can also format, tag and search your entries.