Sans Forgetica - Scientifically designed font to help remember study notes
Marvin Classic - Marvin Classic is free to use the web and mobile application specially designed for ebook lovers who want to read, manage, and download new ebooks.
conotes.io - Generate PDFs in Cornell format within your browser
ecto - ecto is a feature-rich desktop blogging editor for MacOSX.
Notepin - Extremely simple note-taking + blogging ✍️
PDF Professional - PDF Professional is a feature-rich PDF Ultimate Solution for reading, annotating, form filling, editing, signing, and converting PDFs on your Mac, iPhone and iPad.