Self-hostable software: Genealogy Software (5)

webtrees is an online collaborative genealogy application for viewing, editing, and managing family trees on a website.

GeneWeb is open source genealogy software with a web interface, designed to manage large family databases and genealogical relationships.

Genealogy is a free, open-source PHP family tree application for recording family members, relationships, and related events.

Genea is a web app for visually building and editing family trees using GEDCOM genealogy files.

A Python REST API for Gramps that lets users query and modify a Gramps family tree database over the web.