Hypothesis is a web annotation tool, allowing users to attach sentence-level notes to any site on the web. No support is necessary for the underlying websites - Hypothesis functions as an overlay that works everywhere. Hypothesis is produced by a non-profit foundation with a list of sponsors including the Sloan Foundation, the Knight Foundation, the Mellon Foundation, and numerous others. Through...

Perhaps you have a thought you'd like to keep around? Maybe it's linked to several other thoughts? MindNode can help you out. Designed by Markus Mueller, this mindmapping application helps users develop thoughts new and old, and visitors can use them for to-do lists, brainstorming, and project management. The program can be customized to constrain node width and size, and also create multiple...

From the California Academy of Sciences comes the Science Notebook Corner, a resource designed to help K-12 science teachers support young learners develop note taking skills, organization skills, and metacognition. Visitors may want to start by checking out Science Notebooks in Action, a series of short videos that outline the different ways "science notebooking" can be used in the classroom....

Scratchpad is "a quick-and-dirty note taking tool with a minimum of frills." It was designed specifically for students and programmers to document code changes as they happen. This will save programmers from having an extra program on their taskbar. This handy utility is compatible with all operating systems.