TiddlyWiki - a non-linear personal web notebook
Agenda - A date-focused note taking app for both planning and documenting your projects.
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.
Notepin - Extremely simple note-taking + blogging ✍️
Walling - Walling is your visual space to capture ideas and organize projects.
Bear - Bear.app is a note-taking and content writing app that helps you boost productivity with its intuitive tools.