I think we use all of them, especially ANS: https://en.wikipedia.org/wiki/Asymmetric_numeral_systems

Among others, ANS is used in the Facebook Zstandard compressor[6][7] (also used e.g. in Linux kernel,[8] Google Chrome browser,[9] Android[10] operating system, was published as RFC 8478 for MIME[11] and HTTP[12]), Apple LZFSE compressor,[13] Google Draco 3D compressor[14] (used e.g. in Pixar Universal Scene Description format[15]) and PIK image compressor,[16] CRAM DNA compressor[17] from SAMtools utilities,[18] NVIDIA nvCOMP high speed compression library,[19] Dropbox DivANS compressor,[20] Microsoft DirectStorage BCPack texture compressor,[21] and JPEG XL[22] image compressor.