Robuta

https://www.helpnetsecurity.com/2021/10/08/tuxcare-databasecare/
TuxCare released DatabaseCare, its live patching service for the most common open-source databases, MySQL, MariaDB and PostgreSQL.
open source enterpriselive patchingprovidesservice
https://www.action1.com/webinars/patching-that-just-works-with-action1/
Nov 24, 2025 - Discover how Action1 reinvents patch management with an infinitely scalable and highly secure platform configurable in 5 minutes that just works.
live demopatchingworks
https://www.linux.com/news/uptime-funk-using-suses-kgraft-live-kernel-patching-linux/
Last year SUSE announced KGraft as a new form of live Linux kernel patching to reduce downtime by avoiding reboots when applying kernel security updates, etc....
uptimefunkusingsusekgraft
https://www.suse.com/support/update/announcement/2022/suse-ru-20221421-1/
Announcement of Recommended update for lifecycle-data-sle-module-live-patching. Maximize the value of open source with SUSE solution, backed by SUSE Support.
live patchingrecommendedupdatelifecycledata