Bookcelerator - A curated directory of books that will make you smarter
CONV. - Convert YouTube video to MP3, GIF or MP4
Project Ekalavya - Monthly book summaries that you can't forget
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Summarize - Online Automatic Text Summarization Tool - Autosummarizer is a simple tool that help to summarize text articles extracting the most important sentences.
Yout - YouTube to Mp3 Converter