Keep is a minimalistic note taking tool that syncs cross platform via Google Drive. Allows uploads of simple notes, images, speeches, and tasks lists.
A cross platform note taking app with built in cloud synchronization. Minimal in appearance, this is an app meant for taking notes as simply as possible.
Evernote is a cross-platform note taking and idea capture utility that automatically syncs to the company's cloud service. It allows you to easily save websites, photos, and...
Microsoft Office bundled note-taking software. OneNote is available for Windows, Mac OS, iOS, Android, Windows Phone, and Symbian.
Workflowy is a text based to do list that focuses on using bullet points to mimic naturally occurring thought patterns, much like a mind map.
A non-linear personal notebook used as a single HTML file in the browser or as a powerful Node.js application.
Mobisle Notes is a note checklist app focused on simplicity and intuitiveness. It features mobile apps for iOS and Android as well as works in any web browser.
MindMup is a free, open source, online mind mapping tool.
Zim is a desktop note taking app that allows the user to form wiki like structure with the notes contained within. A Windows and Linux client are available.
Org-mode is a note taking tool to be used with Emacs. It is geared towards authoring documents, taking note, keeping todo lists and planning projects, all in a simple text format.
Tomboy is a note taking application for Linux, Windows, and Mac. There's also Tomdroid for Android and Rainy to sync between them.
vimwiki plugin for vim
With vimwiki plugin it's simple to maintain wiki-like knowledge base or diary. It allows you to organize notes and ideas, manage todo-lists, write documentation and more.
Gingko is an online word processor that allows working on structure & content at the same time.
MindMeister is an online mind mapping software.