LZ4 - Extremely Fast Compression
Summary
The GitHub repository page for LZ4 describes it as an extremely fast lossless compression algorithm, capable of high throughputs on multi-core CPUs and with very fast decompression. It details licensing (BSD-2-Clause for the library and GPL-2.0-or-later for the CLI), benchmark data against other compressors, build/install instructions, and notes about dictionaries and multi-language ports.