1)It handles thousands and thousands of users out of the box and saves you masses of time with prototyping, and
2) has over 20,000 plugins (that you can get in and tweak) free for the using or modifying.
3) It's got a security team that is constantly vigilant that sends out security updates for you. (That was one of the big sellers for me.)
4) It's got a bit of a learning curve, but it's truly the swiss army knife of CMS's.
5) Once you've built something in Drupal, your app may seem slow, but then you can performance tune it (and its server) to be very very fast.
6) There's a huge community (the other huge selling point) that is very helpful.
7) There are plenty of nice responsive themes that you can tweak for any device you want.
8) It's very gratifying for developers to create new functionality that's never been built before.
9) It has a very well documented API.
1)It handles thousands and thousands of users out of the box and saves you masses of time with prototyping, and
2) has over 20,000 plugins (that you can get in and tweak) free for the using or modifying.
3) It's got a security team that is constantly vigilant that sends out security updates for you. (That was one of the big sellers for me.)
4) It's got a bit of a learning curve, but it's truly the swiss army knife of CMS's.
5) Once you've built something in Drupal, your app may seem slow, but then you can performance tune it (and its server) to be very very fast.
6) There's a huge community (the other huge selling point) that is very helpful.
7) There are plenty of nice responsive themes that you can tweak for any device you want.
8) It's very gratifying for developers to create new functionality that's never been built before.
9) It has a very well documented API.