Read and write multi-channel OpenEXR files in Photoshop.

After Effects and Premiere plug-ins ship with those programs, available here for those using older versions.

Source | Manual | Sample EXR

Plug-in for using Google's open movie format in Premiere and Media Endcoder.

VP8 and VP9 video codecs, Vorbis and Opus audio codecs in a Matroska container.

Source

Plug-in for applying an ASC CDL.

Includes scripts for reading CDL files and writing a .cc from your settings.

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Performs the RGB to XYZ conversion used in DCI movies.

Open source so you can see my math!

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Plug-in to read and write the DirectDraw Surface file format.

DDS is notable for its use of compression formats that run on the GPU.

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Plug-ins for reading and writing the JPEG 2000 file format.

JPEG 2000 is the compression format used in Digital Cinema Packages (DCPs). It is particularly well-suited to holding very large images, allowing viewers to decode lower resolutions, small regions, and lower quality levels without having to decode the entire file.

Deal with floating point NaN and inf pixels.

Includes a sample EXR full of these nasties!

Source

Plug-ins to use OpenColorIO in Photoshop and After Effects.

After Effects 23.2 added native OCIO support, so this AE plug-in is no longer necessary except for use with old projects.

The code for these plug-ins is part of the OCIO project.

OCIO Source

Expression plug-in providing a color picker interface, some basic color operations.

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Write PNG files with more control over compression and alpha channels.

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Command line program for converting Blackmagic Raw files to image sequences.

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