Docutain - Digitize, manage and find documents efficiently. With Docutain, your smartphone not only becomes a scanner, but you also get a complete and secure document management system including a QR code scanner.
Slab - Slab is a knowledge hub for the modern workplace. We help teams unlock their full potential through shared learning and documentation. Slab features a beautiful editor, blazing fast search, and dozens of integrations like Slack, GitHub, and G Suite.
Zoho Notebook - The most beautiful note-taking app across devices.
Jrnl.sh - Collect your thoughts and notes without leaving the command line
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.
LifePIM - Everything has a place! All the random miscellaneous data you have stored in various places and on post it notes can easily be added to LifePIM.