Some projects that use Mercurial
The following are some of the projects which are using ["Mercurial"] as their primary ["SCM"] system.
[http://selenic.com/hg Mercurial] (of course!)
[http://hg.microformats.org/ microformats code/tests] is a collection of repositories in use in the [http://www.microformats.org/ microformats community]. See [http://microformats.org/discuss/mail/microformats-dev/2006-March/000070.html using mercurial/hg to share microformats code, tests] of 22 Mar 2006
[http://hg.rpath.com/ Conary] - distributed software management system for Linux distributions developed by rPath
[http://thunk.org/hg/e2fsprogs e2fsprogs] - utilities for managing the Linux ext2 and ext3 filesystems
[http://hannibal.lr-s.tudelft.nl/fusesmb/hg/ FuseSMB] - Mount your "Network Neighborhood"
- Intel's ACPI team is using ["Mercurial"] for Linux kernel development
[http://www.lilotux.net/~mikael/mcabber/hg/ MCabber] - small Jabber console client for Linux
[http://hannibal.lr-s.tudelft.nl/smbcrawler/hg/ SMBCrawler] - command-line utility for listing workgroups, servers and shares
[http://xenbits.xensource.com/xen-unstable.hg Xen] - a free hypervisor for virtualising kernels
[http://ozlabs.org/~rusty/ccontrol Ccontrol] - a utility for taming compiler versions, distcc, ccache etc.
[http://wmii.de wmii] - window manager improved 2
[http://notebook.cowgar.com NoteBook.app] - a place to store notes in an organized manner ([http://gnustep.org GNUstep] application)
[http://hg.maintech.de OpenTom] a free development environment for TomTom navigation systems ([http://www.opentom.org project wiki])
[http://opensolaris.org OpenSolaris] selected Mercurial as DSCM of choice for ON consolidation (and possibly other consolidations)
[http://moinmoin.wikiwikiweb.de/ MoinMoin] is a wiki engine implemented in Python - you use it right now
Projects with synchronized Mercurial repositories
The following projects have ["Mercurial"] repositories that are synchronized with their primary SCM system. These secondary repositories may not be (and often are not) maintained by the project, and thus generally have no official status.
[http://www.kernel.org/hg/linux-2.6/ The Linux kernel]
[http://hg.serpentine.com/linux/sparse Sparse repo]
[http://chlamydia.fs.ei.tum.de/hg/dragonfly-src hg feed] of [http://www.dragonflybsd.org DragonFly BSD]
[http://hg.fr.freebsd.org/ FreeBSD CVS repos]
[http://mutt.kublai.com/hg/mutt/ The Mutt mail user agent]
Projects that supports Mercurial repositories
Here are some tools that can handle Mercurial repositories as a backend.
[http://meld.sourceforge.net/ Meld] - diff viewer
[http://projects.edgewall.com/trac/wiki/TracMercurial The Mercurial plugin] for [http://projects.edgewall.com/trac/ Trac] - issue tracking system