archivemount : Mount archives using libarchive and FUSE ( http://www.cybernoia.de/software/archivemount/ )
arm-fdisk : edit disk partitions on Acorn machines ( http://www.arm.linux.org.uk/ )
atari-fdisk : create and edit the partition table of a disk partitioned in Atari format ( http://packages.qa.debian.org/a/atari-fdisk.html )
aufs-headers : User space headers for aufs3 ( http://aufs.sourceforge.net/ )
aufs-util : Utilities are always necessary for aufs ( http://aufs.sourceforge.net/ )
aufs3 : An entirely re-designed and re-implemented Unionfs ( http://aufs.sourceforge.net/ )
aufs4 : An entirely re-designed and re-implemented Unionfs ( http://aufs.sourceforge.net/ )
autorun : auto cdrom mounter for the lazy user ( http://autorun.sourceforge.net/ )
avfs : AVFS is a virtual filesystem that allows browsing of compressed files ( http://sourceforge.net/projects/avf )
bashmount : A bash script that uses udisks to handle removable devices without dependencies on any GUI ( http://sourceforge.net/projects/bashmount/ )
bcache-tools : Tools for bcachefs ( http://bcache.evilpiepirate.org/ )
bindfs : FUSE filesystem for mounting a directory to another location and altering permissions ( http://bindfs.org/ )
btrfs-progs : Btrfs filesystem utilities ( https://btrfs.wiki.kernel.org )
cachefilesd : Provides a caching directory on an already mounted filesystem ( https://people.redhat.com/~dhowells/fscache/ )
clamfs : A FUSE-based user-space file system with on-access anti-virus file scanning ( http://clamfs.sourceforge.net/ )
cloudfuse : A FUSE filesystem for Rackspace's Cloud Files ( http://redbo.github.io/cloudfuse/ )
copyfs : fuse-based filesystem for maintaining configuration files ( http://invaders.mars-attacks.org/~boklm/copyfs/" SRC_URI="${HOMEPAGE}/${P}.tar.bz2 )
cramfs : Linux filesystem designed to be simple, small, and to compress things well ( http://sourceforge.net/projects/cramfs/ )
cryptsetup : Tool to setup encrypted devices with dm-crypt ( https://gitlab.com/cryptsetup/cryptsetup/blob/master/README.md )
davl : Visualizes the fragmentation status of ext2/3 filesystems ( http://davl.sourceforge.net/ )
dd-rescue : Similar to dd but can copy from source with errors ( http://www.garloff.de/kurt/linux/ddrescue/ )
ddrescue : Copy data from one file or block device to another with read-error recovery ( https://www.gnu.org/software/ddrescue/ddrescue.html )
devfsd : Daemon for the Linux Device Filesystem ( http://www.atnf.csiro.au/~rgooch/linux/ )
dfc : A simple CLI tool that display file system usage, with colors ( http://projects.gw-computing.net/projects/dfc )
diskdev_cmds : HFS and HFS+ utils ported from OSX, supplies mkfs and fsck ( http://opendarwin.org )
dmg2img : Converts Apple DMG files to standard HFS+ images ( http://vu1tur.eu.org/tools )
dmraid : Device-mapper RAID tool and library ( https://people.redhat.com/~heinzm/sw/dmraid/ )
dosfstools : DOS filesystem tools - provides mkdosfs, mkfs.msdos, mkfs.vfat ( http://www.daniel-baumann.ch/software/dosfstools/ )
duperemove : Btrfs deduplication utility ( https://github.com/markfasheh/duperemove )
e2fsprogs : Standard EXT2/EXT3/EXT4 filesystem utilities ( http://e2fsprogs.sourceforge.net/ )
e2tools : utilities to read, write, and manipulate files in an ext2/ext3 filesystem ( http://home.earthlink.net/~k_sheff/sw/e2tools/ )
e4rat : Toolset to accelerate the boot process and application startup ( http://e4rat.sourceforge.net/ )
ecryptfs-utils : eCryptfs userspace utilities ( https://launchpad.net/ecryptfs )
encfs : An implementation of encrypted filesystem in user-space using FUSE ( https://vgough.github.io/encfs/ )
etcd-fs : Use etcd as a FUSE filesystem ( https://github.com/xetorthio/etcd-fs" SRC_URI="${HOMEPAGE}/archive/${EGIT_COMMIT}.zip -> ${P}.zip )
eudev : Linux dynamic and persistent device naming support (aka userspace devfs) ( https://github.com/gentoo/eudev )
exfat-utils : exFAT filesystem utilities ( https://github.com/relan/exfat )
ext3grep : Recover deleted files on an ext3 file system ( https://code.google.com/p/ext3grep/ )
ext4magic : Linux admin tool, can help to recover deleted or overwritten files on ext3 and ext4 filesystems ( http://sourceforge.net/projects/ext4magic/ )
extundelete : A utility to undelete files from an ext3 or ext4 partition ( http://extundelete.sourceforge.net/ )
f2fs-tools : Tools for Flash-Friendly File System (F2FS) ( https://git.kernel.org/?p=linux/kernel/git/jaegeuk/f2fs-tools.git;a=summary )
fatsort : Sorts files on FAT16/32 partitions, ideal for basic audio players ( http://fatsort.sourceforge.net/ )
fuse : An interface for filesystems implemented in userspace ( http://fuse.sourceforge.net )
fuse-convmvfs : FUSE file system to convert filename charset ( http://fuse-convmvfs.sourceforge.net/ )
fuse-exfat : exFAT filesystem FUSE module ( https://github.com/relan/exfat )
fuse-zip : FUSE file system to navigate, extract, create and modify ZIP archives ( https://bitbucket.org/agalanin/fuse-zip )
fuse4bsd : Fuse for FreeBSD ( http://fuse4bsd.creo.hu/ )
fuseiso : Fuse module to mount ISO9660 ( http://sourceforge.net/projects/fuseiso )
genext2fs : generate ext2 file systems ( http://sourceforge.net/projects/genext2fs )
gfs2-utils : GFS2 Utilities ( https://fedorahosted.org/cluster/wiki/HomePage )
go-mtpfs : a simple FUSE filesystem for mounting Android devices as a MTP device ( https://github.com/hanwen/go-mtpfs )
gt5 : a diff-capable 'du-browser' ( http://gt5.sourceforge.net/ )
hfsplusutils : HFS+ Filesystem Access Utilities (a PPC filesystem) ( http://penguinppc.org/historical/hfsplus/ )
hfsutils : HFS FS Access utils ( http://www.mars.org/home/rob/proj/hfs/ )
inotify-tools : a set of command-line programs providing a simple interface to inotify ( https://github.com/rvoicilas/inotify-tools/wiki )
iprutils : IBM's tools for support of the ipr SCSI controller ( http://sourceforge.net/projects/iprdd/ )
jdiskreport-bin : JDiskReport helps you to understand disk drive usage ( http://www.jgoodies.com/freeware/jdiskreport/ )
jfsutils : IBM's Journaling Filesystem (JFS) Utilities ( http://jfs.sourceforge.net/ )
jmtpfs : A FUSE and libmtp based filesystem for accessing MTP devices ( https://github.com/JasonFerrara/jmtpfs" SRC_URI="${HOMEPAGE}/archive/v${PV}.tar.gz -> ${P}.tar.gz )
ldapfuse : A virtual filesystem for FUSE which allows navigation of an LDAP tree ( http://sourceforge.net/projects/ldapfuse/ )
lde : ext2fs and minix disk editor for linux ( http://lde.sourceforge.net/ )
lessfs : A high performance inline data deduplicating filesystem ( http://www.lessfs.com )
libeatmydata : LD_PRELOAD hack to convert sync()/msync() and the like to NO-OP ( https://launchpad.net/libeatmydata/ )
libfat : Support library to access and manipulate FAT12 / FAT16 / FAT32 file systems ( http://libfat.sourceforge.net )
loop-aes : Linux kernel module to encrypt local file systems and disk partitions with AES cipher ( http://loop-aes.sourceforge.net/loop-AES.README )
lufis : Wrapper to use lufs modules with fuse kernel support ( http://fuse.sourceforge.net/ )
lufs : User-mode filesystem implementation ( http://sourceforge.net/projects/lufs/ )
lvm2 : User-land utilities for LVM2 (device-mapper) software ( https://sources.redhat.com/lvm2/ )
mac-fdisk : Mac/PowerMac disk partitioning utility ( ftp://ftp.mklinux.apple.com/pub/Other_Tools/ )
mdadm : A useful tool for running RAID systems - it can be used as a replacement for the raidtools ( http://neil.brown.name/blog/mdadm )
mhddfs : Fuse multi harddrive filesystem ( http://mhddfs.uvw.ru/ http://svn.uvw.ru/mhddfs/trunk/README )
mp3fs : a read-only FUSE filesystem which transcodes FLAC audio files to MP3 when read ( https://khenriks.github.com/mp3fs/ )
mtd-utils : MTD userspace tools (NFTL, JFFS2, NAND, FTL, UBI) ( http://git.infradead.org/?p=mtd-utils.git;a=summary )
mtools : utilities to access MS-DOS disks from Unix without mounting them ( http://mtools.linux.lu/ )
mtpfs : A FUSE filesystem providing access to MTP devices ( http://www.adebenham.com/mtpfs/ )
multipath-tools : Device mapper target autoconfig ( http://christophe.varoqui.free.fr/ )
ncdu : NCurses Disk Usage ( http://dev.yorhel.nl/ncdu/ )
nilfs-utils : A New Implementation of a Log-structured File System for Linux ( http://nilfs.sourceforge.net/ )
ntfs3g : Open source read-write NTFS driver that runs under FUSE ( http://www.tuxera.com/community/ntfs-3g-download/ )
obexfs : FUSE filesystem interface for ObexFTP ( http://dev.zuckschwerdt.org/openobex/wiki/ObexFs )
ocfs2-tools : Support programs for the Oracle Cluster Filesystem 2 ( http://oss.oracle.com/projects/ocfs2-tools/ )
owfs : Access 1-Wire devices like a filesystem ( http://www.owfs.org/ http://owfs.sourceforge.net/ )
progsreiserfs : Library for accessing and manipulating reiserfs partitions ( http://reiserfs.linux.kiev.ua/ )
pysize : A graphical and console tool for exploring the size of directories ( http://guichaz.free.fr/pysize/ )
pytagsfs : File system that arranges media files based their tags ( https://launchpad.net/pytagsfs )
quota : Linux quota tools ( http://sourceforge.net/projects/linuxquota/ )
quotatool : command-line utility for filesystem quotas ( http://quotatool.ekenberg.se/ )
rar2fs : A FUSE based filesystem that can mount one or multiple RAR archive(s) ( http://hasse69.github.io/rar2fs/ https://github.com/hasse69/rar2fs )
rarfs : Fuse module to mount uncompressed RAR archives ( http://sourceforge.net/projects/rarfs/ )
redirfs : Layer between virtual file system switch and file system drivers ( http://www.redirfs.org/ )
reiser4progs : reiser4progs: mkfs, fsck, etc... ( https://sourceforge.net/projects/reiser4/ )
reiserfs-defrag : Small defragmentation tool for reiserfs ( https://github.com/i-rinat/reiserfs-defrag )
reiserfsprogs : Reiserfs Utilities ( https://www.kernel.org/pub/linux/utils/fs/reiserfs/ )
s3backer : FUSE-based single file backing store via Amazon S3 ( https://github.com/archiecobbs/s3backer )
s3ql : A full-featured file system for online data storage ( https://bitbucket.org/nikratio/s3ql/ )
safecopy : Data recovery tool to fault-tolerantly extract data from damaged (io-errors) devices or files ( http://safecopy.sourceforge.net )
shake : defragmenter that runs in userspace while the system is used ( http://vleu.net/shake/ )
siefs : Siemens FS ( http://chaos.allsiemens.com/siefs )
simple-mtpfs : Simple MTP fuse filesystem driver ( https://github.com/phatina/simple-mtpfs )
snapraid : a backup program for disk array for home media centers ( http://snapraid.sourceforge.net/ )
squashfs-tools : Tool for creating compressed filesystem type squashfs ( http://squashfs.sourceforge.net )
squashfuse : FUSE filesystem to mount squashfs archives ( https://github.com/vasi/squashfuse )
sshfs-fuse : Fuse-filesystem utilizing the sftp service ( http://fuse.sourceforge.net/sshfs.html )
static-dev : A skeleton, statically managed /dev ( https://bugs.gentoo.org/107875 )
sysfsutils : System Utilities Based on Sysfs ( http://linux-diag.sourceforge.net/Sysfsutils.html )
traydevice : A little desktop application displaying systray icon for UDisks ( http://savannah.nongnu.org/projects/traydevice/ )
treesize : A disk consumption analyzing tool ( http://treesize.sourceforge.net/ )
udev : Linux dynamic and persistent device naming support (aka userspace devfs) ( http://www.freedesktop.org/wiki/Software/systemd )
udev-init-scripts : udev startup scripts for openrc ( https://www.gentoo.org )
udftools : Ben Fennema's tools for packet writing and the UDF filesystem ( http://sourceforge.net/projects/linux-udf/ )
udiskie : An automatic disk mounting service using udisks ( https://pypi.python.org/pypi/udiskie https://github.com/coldfix/udiskie )
udisks : Daemon providing interfaces to work with storage devices ( http://www.freedesktop.org/wiki/Software/udisks )
udisks-glue : A tool to associate udisks events to user-defined actions ( https://github.com/fernandotcl/udisks-glue )
ufsutils : FFS/UFS/UFS2 filesystem utilities from FreeBSD ( http://packages.debian.org/source/sid/ufsutils )
unionfs-fuse : Self-syncing tree-merging file system based on FUSE ( https://github.com/rpodgorny/unionfs-fuse )
vhba : Virtual (SCSI) Host Bus Adapter kernel module for the CDEmu suite ( http://cdemu.org )
vzquota : OpenVZ VPS disk quota utility ( http://openvz.org/download/utils/vzquota/ )
wpflash : flash the firmware on a Webpal ( http://webpal.bigbrd.com/ )
xfsdump : xfs dump/restore utilities ( http://oss.sgi.com/projects/xfs )
xfsprogs : xfs filesystem utilities ( http://oss.sgi.com/projects/xfs/ )
yaffs-utils : tools for generating YAFFS images ( http://www.aleph1.co.uk/yaffs/ )
yaffs2-utils : tools for generating YAFFS images ( http://www.aleph1.co.uk/yaffs/ )
yaffs2utils : tools for generating YAFFS images ( https://code.google.com/p/yaffs2utils/ )
zerofree : Zero's out all free space on a filesystem ( http://intgat.tigress.co.uk/rmy/uml/index.html )
zfs : Userland utilities for ZFS Linux kernel module ( http://zfsonlinux.org/ )
zfs-kmod : Linux ZFS kernel module for sys-fs/zfs ( http://zfsonlinux.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org