Google Scholar
Google Scholar(http://scholar.google.com/) provides a simple way to broadly search for scholarly literature across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, and other scholarly organizations.
Open Office
Open Office (www.openoffice.org) is a free office suite of tools to install on your desktop to create documents, spreadsheets and presentations. It is compatible with MS Office, so you can read and edit existing Word, Excel and PowerPoint documents in it. You can also convert your materials into PDF files for free. OpenOffice docs can also be read in Google Docs.
Page Flakes
Pageflakes (http://www.pageflakes.com/) is a free web-based start page tool. You can use it to aggregate all kinds of resources and tools on your web-based desktop (to create a personal learning environment). All "flakes" are editable and deletable, and there are thousands of flakes that can be added (e.g. wikipedia flake, calendar, bookmarks, and so on) and you can share your page with others.
Remember the Milk
Remember the Milk (http://www.rememberthemilk.com/) manage tasks quickly and easily. An intuitive interface makes managing tasks fun. lets you manage your tasks quickly and easily. Works with Google Calendar, twitter, iPhone and gmail.
Google Alerts
Google Alerts (http://www.google.com/alerts) provides you with email updates of latest relevant Google results (web, news, etc.) based on your choice of query or topic. For instance if you want to keep up with news about e-learning, type that in as your search term and you will receive notifications of all new Google results that contain that search term. You can also manage the alerts you receive, for example how often you want to receive them.
Foldershare
Foldershare (https://www.foldershare.com/welcome.aspx) allows you to keep files in sync across your computers. Share folders with friends. Access your files from any computer.
