They're free and they're awesome!
Musicbrainz is the source of all meta information about artists, albums & tracks. This is core to Rapalytics!
Rapalytics uses Last.fm plays to estimate artist, album & track popularity!
Stanford coreNLP does the parsing and POS-tagging core to extracting vocab and simile stats!
Remember those rhyming density values? CMU LM tool's grapheme-phoneme module makes that happen!
The backend server.. Python FTW!
Responsive site design would have been a nightmare without Bootstrap!
All those fancy visualizations made uber simple by D3!
He is Ostrich's mentor and a big supporter of Rapalytics. p.s - Also the first Facebook fan!
She patiently listened to Yung Pug and gave valuable feedback. p.s - This is her embracing thug life!