ESFS is a FUSE-based filesystem that supports snapshots (C)
How to Syncronize Many Filesystems in Near Linear Time? Prototype code for a data synchronizer introduced in https://arxiv.org/abs/2302.09666 (Python)
Sources of papers on algebraic file synchronization (TeX, Python)
Implements some of the algorithms described in N. Ramsey and E. Csirmaz. An Algebraic Approach to File Synchronization, 2001 (OCaml)