Aleksey Vaneev

r8brain-free-src. High-quality pro audio resampler / sample rate conversion header-only C++ library. Very fast, for both audio resampling and time-series interpolation.

lzav. Fast In-Memory Data Compression Algorithm (header-only C/C++) 500+MB/s compress, 3000+MB/s decompress, ratio% better than LZ4, Snappy, and Zstd@-1

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. (header-only C/C++) (Codename Gradilac/Градилак)

komihash. Very fast, high-quality hash function, discrete-incremental and streamed hashing-capable (non-cryptographic, header-only C/C++) 27GB/s + PRNG

biteopt. Derivative-Free Global Optimization Algorithm (C++, Python binding) - Continuous, Discrete, TSP, NLS, MINLP

a5hash. Ultra fast, high-quality hash functions for hash-tables and hash-maps (non-cryptographic, header-only C/C++) + PRNG

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

lzbench. lzbench is an in-memory benchmark of open-source compressors