I think I've probably tried all of them I could find. Did their trial subscriptions first to see if they were worth the time and $.
Photomatix Pro is top notch and very affordable compared to the others. HDR Efex Pro is also a decent program which can work with one image. Of course, you can work with one image in Adobe Camera Raw also but it takes a bit more time processing one, saving it, processing again, etc.
5D3, 6D, 1D4, 16-35 2.8L ll, 50 1.2L, 50 1.4, 24-70 2.8L II, 135 F2.0L, 200 F2.8L ll, 70-200 2.8L II, 70-300L, 100-400L, 24 TSE L II, 85 1.2L II, 100 2.8L, ZEISS 100 2.0, ZE 50 2.0, ZE 35 2.0, ROKONON 35 1.4, SIGMA 35mm f1.4, SIGMA 85 f1.4, S110, S100, sony RX-100 and one big-a$$ bag