HitFilm 3 Pro is compliant with OpenFX version 1.3 and includes OpenGL rendering support.
Compatible OpenFX plugins from other developers can be used inside HitFilm 3 Pro. When you install compatible OpenFX plougins they will be listed in the Effects library alongside HitFilm's included effects.
OpenFX plugins which are known to work in HitFilm 3 Pro include:
|•||GenArts Sapphire 8|
|•||Red Giant Universe|
|•||RE:Vision Effects DE:Noise v3|
More information on OpenFX can be found at http://openeffects.org/
If you wish to develop OpenFX plugins for HitFilm please contact us at firstname.lastname@example.org.