A1 Website Analyzer - Analyze websites and save data into XML, CSV etc. Extract data about internal linking and importance calculations, file sizes, download times, HTML validation errors etc. across entire websites.
CONV. - Convert YouTube video to MP3, GIF or MP4
AnalyzeSiteTool.com - Website Analyzer Tools
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
SEO PowerSuite - Get all SEO tools in one pack - download free edition of SEO PowerSuite and get top 10 rankings for your site on Google and other search engines!
You-Get - Command-line utility to download media contents from the web