My Top 5 Free, and useful, stuff online..
1. Google account. Not just email but integral blogger, picassa albums, Rss reader, documents and much much more. http://www.google.com
2. Thunderbird. A superior alternative to Outlook Express and, for the majority of us, just as good as Outlook. http://www.mozilla.com
3. Evernote. Keep all you notes, url’s, ideas, everything, all in one online place. works with Pc, Mac, iphone, windows mobile. http://www.evernote.com
4. WordPress. Much much more than just a great free blog. http://www.wordpress.com and http://www.wordpress.org
5. Openoffice. Why would anyone buy Microsoft Office when you can get this fully-featured word processor, spreadsheet, database, presentation and drawing package free? http://www.openoffice.org