http://www.zstd.net/ Zstandard is a real-time compression algorithm, providing high compression ratios. It offers a very wide range of compression / speed trade-off, while being backed by a very fast decoder (see [benchmarks](http://facebook.github.io/zstd/#benchmarks)below). It also offers a special mode for small data, called [dictionary compression](http://facebook.github.io/zstd/#small-data), and can create dictionaries from any sample set. Zstandard library is provided as open source software using a BSD license. Sent with [ProtonMail](https://protonmail.com) Secure Email.
Romulas, It's not clear where you want to see zstd used. Here's a trivial patch to add Zstd to ‘guix pack’, if that's what you mean. I didn't submit it in the past because I dread bikeshedding the compression level. -3 is the default, and compresses slightly better than gzip in a fraction of the time. Kind regards, T G-R