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Another interesting compression project is "Zstandard"

Open source, high performance, decent compression and a "dictionary mode" that's especially fun when it comes to compressing a lot of small data.

Also lzturbo is very interesting, closed source but you one can download exec: https://sites.google.com/site/powturbo/ https://github.com/powturbo/TurboBench

Here's a nice graph from the zstd site, showing the trade off between compression and speed for several different algorithms: