Below are some links and details on the main available options.
Camera manufacturer’s raw converters:
Canon – DPP
Fuji – Silkypix
Other free raw converters:
Capture One Pro Express for Fuji and Sony
Raw processing with some retouching etc options:
Combined raw processing and manipulation:
Adobe Elements; Lightroom / Bridge / Photoshop
Plugins:
Nik / Google / Dx0 There are some possible sources of the free Google version.