10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.
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.
Hamster Pad - A social network built on top of Slack
Standard Notes - A safe place for your notes, thoughts, and life's work
Kaboom by Hotspot Shield - Share messages & photos that disappear on any social network
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.