HI Aleksey Starovoytov,
I would recommend Freescale KDS which is a Free tool. together with SDK (software development kit) .
for details, please refer:
KDS:
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=KDS_IDE
SDK:
Software Development Kit for Kinetis MCUs|Freescale
Other popular SDKs are IAR, Keil.., see "IDEs for Kinetis MCUs" in below page
Software and Tools for Kinetis MCUs|Freescale
Among these IDEs, the most popular is IAR.
hope it helps!
