http://safari.oreilly.com – The entire range of O’Reilly books (and selected other publishers) available online in electronic format. Books can be added to and removed from your bookshelf at will (although you can only remove a book once it has been on your shelf for a month), and bookshelves of varying size can be subscribed to – currently a 5-slot shelf costs $8.99, and a 10-slot $14.99 (plus EU VAT if you are not VAT registered).
Moving large files about
http://www.dropload.com/ – Dropload is a place for you to drop your files off and have them picked up by someone else at a later time. Recipients you specify are sent an email with instructions on how to download the file. Files are removed from the system after 4 days, regardless if they have been picked up or not. You can upload any type of file, mp3, movies, docs, pdfs, up to 100MB each! Recipients can be anyone with an email address
http://www.faganfinder.com/urlinfo/ – URLinfo is a tool for handling web pages: finding information about it, translating it, finding related pages, etc. To use it, type a URL (web page address) into the box in the top frame. Then choose a tab (such as General or Cache), and click on the name of the specific tool you wish to use. The Translate and Search tabs require a bit more, but should be self-explanatory. Click on the [info] link at the end of any tab for details about it. URLinfo includes 99 tools.
Does your client/customer ever tell you that the site looks funny or doesn’t work in their browser? If they can’t tell you the browser version then BrowserHawk can.
Page speed test
http://www.websiteoptimization.com/services/analyze/ – The site calculates the size of individual elements on your webpage and finds the total for each type of component. Based on these page characteristics the script then offers advice on how to improve page display time and website speed.