clusterit https://slackbuilds.org/repository/15.0/network/clusterit/
distributed,shell,distributed shell,pdsh,remote,ansible
dma https://slackbuilds.org/repository/15.0/network/dma/
email,smtp,mail,sendmail,null,client,nullclient,null-client,mta,msa,mua
libaal https://slackbuilds.org/repository/15.0/libraries/libaal/
reiser,reiserfs,reiser4,libaal,reiser4progs,filesystem,file-system,compression,btrfs,partclone
partclone with reiser4 https://slackbuilds.org/repository/15.0/system/partclone/
partclone,clone,image,filesystem,file-system,restore,reiser4,btrfs
reiser4progs https://slackbuilds.org/repository/15.0/system/reiser4progs/
reiser,reiserfs,reiser4,libaal,reiser4progs,filesystem,file-system,compression,btrfs,partclone
xen-nox no SDL no GTK no FUSE and older xenstore daemon https://slackbuilds.org/repository/15.0/system/xen-nox/
xen,kvm,vmm,virtualization,libvirt,cloud,hypervisor
systraq http://slackbuilds.org/repository/15.0/system/systraq/
ids,security,aide,monitor,notify
drbd-kernel for release KVER (none)
drbd-utils 9.20.2 version update http://slackbuilds.org/repository/15.0/system/drbd-utils/ by Mario Preksavec
ocfs2-tools 1.8.7 version update and builds fine on multiprocessor https://slackbuilds.org/repository/15.0/system/ocfs2-tools/ by Mario Preksavec
sshguard - better init script http://slackbuilds.org/repository/15.0/network/sshguard/ by Andrzej Telszewski
syslinux-next 6.04-debian conflicts with base (none)
Binaries for those builds are available over there
git://git.slackbuilds.org/slackbuilds.git
https://github.com/SlackBuildsOrg/slackbuilds/