patchletter is a free update radar designed specifically for sysadmins, IT professionals, and developers. It allows you to select the exact software and hardware components in your stack—ranging from browsers and hypervisors to firewalls, NAS devices, and line-of-business applications—and delivers a single, consolidated email the exact moment an update is released.
With a catalog of 727 products checked daily against official vendor release sources, patchletter helps keep your infrastructure secure and up-to-date. In addition to general patch notifications, the service tracks critical security details including end-of-life dates and actively exploited vulnerabilities (CISA KEV) for each product.
Built with a strong commitment to user privacy, patchletter operates with no accounts, no tracking, and no ads, running independently on its own servers located in Germany.
patchletter is a free update radar for sysadmins that monitors a database of 727 products daily against official vendor release sources and sends a consolidated email the moment an update ships.
No, patchletter requires no account, features no tracking, and displays no ads.
In addition to general software and hardware updates, patchletter tracks end-of-life (EOL) dates and actively exploited CVEs (CISA KEV) for each monitored product.
patchletter runs on its own server located in Germany.
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