From: Characterizing the hyperspecialists in the context of crowdsourcing software development
Technology | # of challenges |
---|---|
MySQL | 414 |
PostgreSQL | 279 |
PhoneGap | 127 |
Flex | 77 |
Commerce Server 2009 | 72 |
XSL | 54 |
Ruby on Rails | 47 |
Docker | 46 |
Google App Engine | 46 |
UML | 44 |