Pharo is an innovative, open, integrated and highly productive eco-system comprising language (forked from Squeak Smalltalk), modern libraries (extensive), very rich and integrated IDE, meta programming tools, cross platform virtual machine(s) and a small but growing and thriving community including academics and industry partners. Now at Release 5 (stable, March 2016) with Release 6 well under way in development community.
Pharo can be used for server and client programming. It is open with easily used networking, parsing, generating and persistence frameworks.
Pro Beautiful coding patterns in your IDE
No need to search google for compact beautiful examples of how to do things, your live environment source is available and you can easily live search, see how it works and copy how the masters would do it (examples most languages still copy too).