These bookmarklets let you see how a web page is coded without digging through the source, debug problems in web pages quickly, and experiment with CSS or JS without editing the actual page.
NightShift automatically downloads and updates WebKit, the Safari HTML rendering engine, to the latest nightly version. No user intervention is required, everything is fully automated.
Using the browser form on the Jahjah site, enter your phone number, and the phone number you're calling. Click call. Brr-r-rinn-ng! Start talking. No download, no installation, no headset, no contract.
Hanzo is something like an Onfolio clone, where you can archive a webpage, a website, or other components of websites, and arrange the material in useable, searchable folders that are transmissible to other people without file conversions.
O. Lassila. RULEML '06: Proceedings of the Second International Conference on Rules and Rule Markup Languages for the Semantic Web, page 51--57. Washington, DC, USA, IEEE Computer Society, (2006)
P. Heim, J. Ziegler, and S. Lohmann. Proceedings of the International Workshop on Interacting with Multimedia Content in the Social Semantic Web (IMC-SSW'08), page 49-58. CEUR-WS, (2008)
M. Dzbor, J. Domingue, and E. Motta. International Semantic Web Conference, volume 2870 of Lecture Notes in Computer Science, page 690-705. Springer, (2003)
C. Bizer, E. Pietriga, D. Karger, and R. Lee. Proc. of 5th International Semantic Web Conference, Athens, GA, USA, November 5-9, 2006, LNCS 4273, (2006)
M. Hildebrand, J. van Ossenbruggen, and L. Hardman. International Semantic Web Conference, volume 4273 of Lecture Notes in Computer Science, page 272-285. Springer, (2006)
J. Merelo, A. Garc\'ıa, J. Laredo, J. Lupión, and F. Tricas. Proceedings of the 2007 GECCO conference companion on Genetic and evolutionary computation, page 2851--2858. New York, NY, USA, ACM, (2007)