Sriram, I use TiddlyWiki (wiki on usb/one html file) and have it published at tiddlyspot for free so I can share my brain dump on the web.. http://karlarao.tiddlyspot.com/ http://karlarao.wordpress.com/2010/04/10/my-personal-wiki-karlarao-tiddlyspot-com/ For files (pdf/books), I use dropbox For images or notes, I use Evernote.. and then picasa for my blog photos For MindMaps, I use Mind42 to keep track of everything on the web I use google profiles https://profiles.google.com/karlarao/about -- Karl Arao karlarao.wordpress.com karlarao.tiddlyspot.com