Today's constantly evolving advanced malware and APTs can evade point-in-time defenses to penetrate networks. Security professionals must evolve their strategy in lockstep to confront these advanced threats before, during and after attacks.
If you already use NetBeans for Java or C/C++ development, then it should probably be your top choice as a Rails IDE as well. Delivering strong editing and navigation along with good debugging and profiling, it's a very capable and highly integrated Rails IDE. And it's free.