I bought a set of red LEDs and strung them in my darkroom as safelights. It works well. I ran a test of exposing a sheet of paper for an hour with no fogging. You can also get orange LEDs too. I stopped using my Thomas Duplex safelight because the LEDs are so bright.

Take a look:
http://www.ebay.com/itm/Fad-Red-20M-...item3f20e362a2