avaneev

r8brain-free-src

High-quality pro audio resampler / sample rate converter C++ library. Very fast, for both audio resampling and time-series interpolation.

avir

High-quality pro HDR image resizing / scaling C++ library, including a very fast, precise, SIMD Lanczos resizer (header-only C++)

prvhash

PRVHASH - Pseudo-Random-Value Hash. Hash functions, PRNG with unlimited period, randomness extractor, and a glimpse into abyss. (inline C/C++) (Codename Gradilac/Градилак)

lzav

Fast In-Memory Data Compression Algorithm (inline C/C++) 460+MB/s compress, 2500+MB/s decompress, ratio% better than LZ4, Snappy, and Zstd@-1

komihash

Very fast, high-quality hash function, discrete-incremental and streamed hashing-capable (non-cryptographic, inline C/C++) 26GB/s + PRNG

biteopt

Derivative-Free Global Optimization Method (C++, Python binding)

gammaenv

DSP S-curve envelope signal generator/low-pass filter C++

areafitter

Fit Multiple Smaller Rectangles Into Larger Rectangles or Images - Iterative Permutational Optimization Method

av-test-rep

smhasher

Hash function quality and speed tests