izuzak
http://www.mocky.io/, http://ivanzuzak.info/urlecho/, and in some cases: http://hang.nodester.com/
Gantticc - a minimalistic gantt chart web app
New Code School course: Discover Chrome DevTools
Quick & Dirty Forking
Running smooth in Chrome Canary.
The only difference is that I don't require users to log-in via OAuth, rather I point them to the issue page with the comments and they enter their comments there (which are then displayed on my blog). Less OAuth fuss (both for me and for users) with same functionality.
Milestone.js – Project Tracking for GitHub Projects
EdgeConf (London, Feb 9th 2013) - a conference on advanced Web technologies
APIhub - the world's largest API repository
Golden Runner - remake of Load Runner in the browser
Mapping research excellence
Evolving HTTP APIs
X-Callback Header: Evented Web Building Block
Online Python Tutor
i've actually done the same things myself, only 2 years ago -- a HTTP server and WebSocket server in the browser via a nodejs proxy server, see: https://github.com/izuzak/node-revhttpws
The GitHub Data Challenge
GitHub's Akavache - asynchronous, persistent key-value cache for C# apps
Google+ gets a redesign
HTTP Status Cats - (Lol)cat images for different HTTP status codes
Bootstrap passes NodeJS as #1 most watched GitHub repository
Twitter's Bootstrap passes Rails on GitHub, now on NodeJS's tail
Preliminary Analysis of Google+'s Privacy
[Kevin Kelly] The 7 Stages of Robot Replacement
The Royal Society - "Augmented intelligence: the Web and human computation" (Louis von Ahn) http://royalsociety.tv/dpx_royalsociety/dpx.php?cmd=autoplay...
+ has excellent discussion at the end.