Nimbus Clipper is described as 'Web Clipper that works! The easiest way to clip text, pics, links, email and pdf from internet pages and save them' and is a Note-taking tool in the web browsers category. There are more than 100 alternatives to Nimbus Clipper for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Google Keep. Other great apps like Nimbus Clipper are Notion, Microsoft OneNote, Evernote and Simplenote.
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.