AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Fly is a platform for running full stack apps and databases.
Modernizr is a JavaScript library that detects the features available in a user's browser.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.