What are some alternatives?
When comparing Tusk and Collect by WeTransfer, you can also consider the following products
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Sidenotes - Annotate the web.
Joplin - 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, tagged and modified either from the applications directly or from your own text editor.
Whimsical Sticky Notes - Visual project management using sticky notes
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
ResophNotes - Very similar to Notational Velocity but for Windows.