Storage


THE OPEN SOURCE BET AIMING TO REDEFINE DATA RESILIENCE


Backing up has always been seen as a necessary but unloved operational chore, but Plakar is positioning itself as a fundamental rethink of how organisations protect, move and recover data. The project, which began as a personal experiment in content-defined deduplication, has evolved into a fully- fledged open source platform now backed by a growing community, a roster of well-known investors and a team with deep roots in security-critical software.


F L-r: Gilles Chehade and Julien Mangeard. 32 | January/February 2026


or the channel, Plakar’s emergence comes at a moment when customers are wrestling with rising attack volumes, increasingly complex hybrid environments and a widening gap between


perceived and actual resilience. Te company’s founders argue that the industry’s assumptions about backup, how it should work, who should run it, and what ‘good’ looks like, are no longer fit for purpose. Teir answer is a data container model designed to be portable, verifiable, encrypted end-to-end and capable of operating at petabyte scale without the architectural compromises that have shaped legacy systems. “Plakar is basically the sum of all the frustrations that we had as tech


leaders,” says co-founder and CEO Julien Mangeard. “We saw teams struggling with tools that were too complex, too slow, too expensive, or simply not designed for the environments companies actually run today.” Plakar’s origins lie with CTO Gilles Chehade, well known in open source circles for his work on OpenBSD, OpenSMTPD and other


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