[aayjaychan]

We have have been on self-hosted Heptapod [1] for about a year without much complaint. Heptapod is a fork of GitLab with Mercurial support. For open source projects, there is a free hosted version [2].

[1]: https://heptapod.net/ [2]: https://foss.heptapod.net/

Other hosting options can be found on Mercurial's Wiki page on hosting [3].

[3]: https://www.mercurial-scm.org/wiki/MercurialHosting