...While reading, you look up unknown words in web dictionaries (online) or locally installed dictionary applications, save vocabulary terms with translations, and track your learning progress. Each term has a learning status (1/"Unknown" to 5/"Known", plus "Ignored" and "Well Known") with associated colors.
Running the Application:
You'll need an installed JRE (Java Runtime Engine) and the file "fltr.jar" which is in the download.
This OFFICIAL VERSION is from the original author, and it is stable and bug-free.