Simple Spark allows users to both find and share Web2.0 applications. No matter if you are looking for an online calendar, a to do list app, wanting to organise a holiday, a way to write and store documents, catalogue your library, find an accounting tool, store, edit or publish your photos online, or save and share your bookmarks there is plenty to choose from as their list of browser-based applications recently crossed the 5,000 mark. You can search by terms or category and subscribe to their daily feed.