nullfx.crc is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod 'nullfx.crc'
nullfx.crc is available under the MIT license. See the LICENSE file for more info.
this repository is also mirrored on GitLab and BitBucket just in case the new evil overlords kill off the greatness of github...
There's another version of this library that uses swift PM here: https://github.com/nullfx/NullfxCrc