CCProxy - Want to share Internet connection? Get every computer online through a single Internet connection?
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.
Apache Traffic Server - Fast, scalable and extensible HTTP/S 2 and 1.1 compliant caching proxy server.
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.
FreeProxy - Feature summary from website:* Internet connection sharing with demand dialling
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.