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description=BorgBackup (Borg) is a deduplicating backup program with compression and authenticated encryption. Free software, BSD licensed.;

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Text of the page (random words):
borgbackup deduplicating archiver with compression and authenticated encryption skip to content demo install support services fund docs community contribute deduplicating archiver est 2015 backups with deduplication compression and authenticated encryption redundancy is futile your data will be deduplicated install borg watch the demo engage borgbackup borg for short provides space efficient encrypted compressed backups this page uses javascript for the animated visuals all information and links work without it scroll to assimilate capabilities one archiver every defense your data needs borg stores your files as content defined chunks identical chunks are stored exactly once across files across machines across years of history space efficient storage content defined chunking deduplicates everything in the repository daily full backups cost little more than the changes since yesterday authenticated encryption aes encryption with cryptographic authentication your backup server never needs to be trusted it only ever sees ciphertext compression pick your trade off lz4 for speed zstd for balance zlib and lzma for maximum squeeze or none at all mountable archives mount any archive as a regular filesystem with fuse and browse old versions of your files like any folder runs everywhere you do easy installation on linux macos bsd and more from distribution packages single file binaries or pip free open source bsd licensed developed in the open and backed by a large active community since 2015 deduplication store it once reference it forever three nightly backups of the same machine most chunks already exist in the repository borg stores only what changed visualization night 1 stores eight new chunks a through h night 2 sees the same chunks again plus one new chunk i only i is stored night 3 adds only the new chunk j duplicates are never stored twice night 1 a b c d e f g h night 2 a b c d e f g i night 3 a b j d e f g i 24 chunks seen 24 stored duplicate chunks collapse into a single stored copy history stays complete the repository stays small in practice a backup is one command no daemons no agents no lock in point borg at a repository local disk usb drive or any machine you can reach over ssh and go borg cube demo watch real sessions not marketing recorded terminal sessions every frame is real text so you can pause the player and select and copy anything you see asciinema loading player javascript is needed to view the demos install get borg choose your series install from your distribution s packages as a single file binary or via pip the installation docs cover all of them borg 1 4 stable 1 4 5 released 2026 07 19 the current stable series the right choice for production use documentation downloads borg 1 2 oldstable 1 2 9 released 2025 08 04 the previous stable series still maintained but no new releases documentation downloads borg 2 0 testing 2 0 hairsp β the next generation currently in testing do not use it in production yet documentation downloads borg s future view the milestones follow new releases via the atom feed support you are not alone it s a collective free community support please check the docs the existing issues and the mailing list posts first a lot of topics are already documented explained discussed and filed documentation quite nice docs installation a reference for all borg commands examples and an faq internals documentation and docs for developers read the docs issue tracker found a bug or have a concrete feature request create a ticket for more general questions or discussions prefer the chat or the mailing list github issues chat irc join borgbackup on libera chat just ask or tell directly then patiently wait for replies stay connected a registered nick is preferred and may even be required during times of high spam activity open the chat below full client mastodon follow borgbackup fosstodon org for announcements mastodon is not suitable for longer or more complex discussions use one of the other channels for that borgbackup matrix chat prefer matrix use a client such as element to join the borgbackup room it is bridged to the irc channel same people on both sides borgbackup room element mailing list the list homepage explains its topic how to subscribe or unsubscribe and where to find the list archives mailing list live chat talk to the collective right here the borgbackup channel on libera chat embedded this is libera chat s own web client web libera chat so you can join from this page without installing anything borgbackup irc libera chat join borgbackup on libera chat pick a nickname and you re in a registered nick is preferred and may be required during times of high spam activity be patient after asking people reply when they see it open a channel loads web libera chat in a frame and connects you to the channel services paid support and services commercial service and support providers for borgbackup waldmann edv borgbackup consulting support and development the company of thomas waldmann borg s lead developer and maintainer waldmann edv de borgbase specialized hosting for borg repositories borgbase com hetzner storage box with borg support hetzner de rsync net cloud storage platform with borg support rsync net fund resistance is futile donations are not please help the software projects you use and love you can support the borgbackup project using these options open collective contribute directly via open collective those funds also go to oc eu the funds held on our behalf can be used to pay miscellaneous project related expenses submitted by borgbackup team members open collective github sponsors become a sponsor and support us regularly or alternatively make a one time donation those funds are transferred to open collective europe oc eu our fiscal host sponsor on github liberapay become a patron and support us regularly to help make the project sustainable in the long term the funds are distributed to the borgbackup team members and as a borgbackup developer you can join the team donate via liberapay paypal may be the easiest way if you already use paypal or a credit card to directly support a specific developer waldmann edv is the company of thomas waldmann borgbackup s lead developer and maintainer donate via paypal the collective trusted by sysadmins hoarders and the merely paranoid borg has protected production servers research data and family photo archives for a decade it is boring in the best possible way 10 10 years of development 100 100 free software bsd licensed 0 0 trust required in your server demo install support services fund docs community contribute borgbackup is free software distributed under the bsd license terminal output and dedup figures above are illustrative