I had no idea that you could share to other services in Instapaper when you 'like' an article. This is really handy. The only drawback is that it doesn't seem to preserve the original link of the article in the way that clipping from a webpage directly does.

A simple but useful service to save and share bits of text online. No sign-up or logging in involved, though you can choose to password protect your snippet.

An interesting workflow for collecting references, making notes and assembling a paper, on a Mac. I've just upgraded to DEVONthink 2, and am loving it. Now I'm tempted by Sente too.

This looks like a nice, lightweight and attractive app for accessing your Simplenote notes on the desktop. Though the Simplenote website is pretty good as it is.

In-depth review of Stikkit.

Useful notetaking tips

Rather cool little web app to create PDF templates for Cornell-style notetaking.