WhatsHap is a software for phasing genomic variants using DNA sequencing reads, also called read-based phasing or haplotype assembly. It is especially suitable for long reads, but works also well with short reads.

Parts of WhatsHap have been described in different articles. Please choose an appropriate citation depending on your use case: https://whatshap.readthedocs.io/en/latest/howtocite.html#howtocite
Open Source (MIT License)
Life Sciences and Health

Schönhuth, A, Patterson, M.D, Marschall, T, & Martin, M. (2016). WhatsHap.