Services that provide hosting of Mercurial repositories.
1. Free services
Here are some places that provide free Mercurial hosting:
Bitbucket Github-like hosting service for Mercurial. Includes bug tracker and wiki. Paid plans also available.
Mozdev provides free project hosting for Mozilla applications and extensions.
Project Kenai An integrated suite of collaboration services for developers to freely host their open source projects and code. As of 2016-10-04, the site states that "The Kenai.com site will be closing permanently on April 28, 2017."
ShareSource.org - A Sourceforge-like server for hosting projects. Supports Mercurial out of the box. As of July 4, 2016 site is unresponsive.
TuxFamily.org - Free hosting for free projects. Provides Mercurial, Git or Subversion repositories.
2. Paid services
Codebase - Offers a free plan for small sized Repositories (Mercurial, Git and Subversion). Polished web interface. SSH and HTTP.
FogBugz Dev Hub offers services including Mercurial hosting from 63 USD per month for up to five users.
Ingate Mercurial, Git and Subversion hosting - either shared or on dedicated cloud servers
RepositoryHosting provides Mercurial/Git/SVN hosting with Trac.
RhodeCode (hosted) provides unlimited Mercurial and Git hosting.
SourceRepo provides Mercurial/Git/SVN hosting with Trac/Redmine project tracking.
XP-Dev.com provides Mercurial hosting, project tracking and integration with various other project/issue tracking tools.
Versionshelf provides Mercurial and SVN hosting and integration with various other services.
3. Intranet hosting
Kallithea is free software that provides Mercurial and Git hosting. It has support for pull requests and a built-in review system.
Deveo provides Mercurial, Git, and SVN hosting, role-based access control with LDAP/AD integration. Can be installed on-premises or used as a hosted service.
RhodeCode Enterprise - On premise version of RhodeCode. http/https support, advanced permission system, IP restrictions, web based file editing, side-by-side diffs, snippets (gist) system and pluggable authentication system.
4. See also
PublishingRepositories for setting up your own Mercurial servers
It is flagged as "not recommended," with the note "We recommend using Git over Mercurial. Our Git support is faster and more reliable, and there are better tools available." (1)