1. JsonML. http://jsonml.org/. JsonML. http://jsonml.org/.
2. MongoDB. http://mongodb.org/. MongoDB. http://mongodb.org/.
3. Node.js. http://nodejs.org/. Node.js. http://nodejs.org/.
4. PDF.js. http://mozilla.github.io/pdf.js/. PDF.js. http://mozilla.github.io/pdf.js/.
5. Readability. https://readability.com. Readability. https://readability.com.