OpenZL: A novel data compression framework

Comments moved to https://news.ycombinator.com/item?id=45492803, which was posted a bit earlier. I hope that's ok. Congratulations on the release!

In addition to open-sourcing the code today, we also published:

- A white paper: https://arxiv.org/abs/2510.03203

- A blog post: https://engineering.fb.com/2025/10/06/developer-tools/openzl...

- The documentation website: https://openzl.org/