fbdp

Java

https://jersey.java.net/

PHP

http://www.openwall.com/phpass/

https://www.phpdoc.org/

http://it.phptherightway.com/

PostgreSQL

https://wiki.debian.org/it/PostgreSql

https://www.postgresql.org/docs/9.4/static/index.html

http://schinckel.net/2014/05/25/querying-json-in-postgres/

JSON

https://jsonformatter.curiousconcept.com/

React Native

https://facebook.github.io/react-native/

MapBox (OpenStreetMap)

https://github.com/mapbox/react-native-mapbox-gl/