RFind indexes the filenames of a given directory, and allows you to quickly search this index with regular expressions. Search-on-typing with more than 500,000 indexed filenames is easily possible. This tool attempts to be very configurable so that it can be useful to everyone. It features hierarchically presented search results, search-on-typing, and the ability to define rules to execute on mouse click.
SpeedReader helps you improve your reading speed. It is simple, interesting, challenging, and fun to play with. From a developer's point of view, it is extensible (Plugins), and as simple as possible (but no simpler). Functionality is only added if it improves the above stated goals.