Keeeb - Keeeb unleashes knowledge that the corporate enterprise didn't know it had. We connect existing information islands while optimizing the discovery process with a novel workflow, and automate knowledge discovery through artificial intelligence.
WD Officepad - A simple note-taking application for windows, designed in beauty, but built for more.
Getodo - colorful lightweight multi-level to-do list on Android, iOS, web.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
LinkBoard - LinkBoard is a quick and easy way to save and share links. LinkBoard lets you:
jEdit - jEdit is a mature programmer's text editor with a large collection of plugins