patchletter

Know the moment your stack gets an update.

patchletter is a free update radar for sysadmins: you check off the software and hardware you run — browsers, hypervisors, firewalls, NAS, line-of-business apps — and get one email the moment an update ships. We watch vendor release sources daily — 721 products in the catalogue today. Free.

✓ 721 products in the catalog✓ instant, daily or weekly✓ Ad-free, no tracking
Browse the catalogHow it works
Zuletzt erkannttäglich geprüft · 05:00
  • Kea DHCP3.2.0
  • dnsdist2.1.0
  • 3CX Phone System20.0.9.995
  • LibreWolf146.0.1-1

How it works

  1. 1

    Check them off

    Pick the tools in your environment — no account, your selection is saved in the browser.

  2. 2

    Confirm your email

    One click on the magic link confirms your address and activates the subscriptions. No password.

  3. 3

    Get updates

    Instantly per release or bundled as a daily/weekly digest — with a link to the release notes.

From: patchletter <mail@notify.patchletter.com>

3 updates: FortiOS, Proxmox VE, 7-Zip

  • FortiOS7.6.3 → 7.6.4SecurityRelease notes →
  • Proxmox VE9.1 → 9.2Release notes →
  • 7-Zip26.01 → 26.02Release notes →

Manage subscriptions · Unsubscribe in one click

This is what the daily digest looks like — no releases, no email.

Frequently asked questions

What is patchletter?

patchletter is a free update radar for sysadmins: check off the tools in your environment and get an email the moment a vendor ships an update. Plus support/EOL cycles (endoflife.date) and actively exploited vulnerabilities (CISA KEV) per product — checked daily, no account, data-minimal and tracking-free (runs on Cloudflare, EU-US Data Privacy Framework).

What does patchletter cost?

Nothing. The update radar is completely free — no limit on tools or emails, no credit card.

Where does the version data come from?

From official vendor APIs, release feeds, package sources (winget, Homebrew) and public release-notes pages — checked daily, source visible per product.

Do I have to install anything?

No. No agent, no scanner — you tell us what you run, we tell you when there are updates.

What happens to my email address?

It's used solely for the update emails. Double opt-in, data-minimal and tracking-free (runs on Cloudflare, EU-US Data Privacy Framework), one-click unsubscribe, delete your account anytime.

My tool isn't in the catalog?

Suggest it via “Suggest a tool” — suggestions with many votes get added first, usually within a week.

All tools in the catalog

721 products, sorted by category — each page shows the latest version and version history.

Browsers & Clients

Operating Systems

Virtualization & Backup

Firewalls & Security

Network, Switches & Wi-Fi

NAS & Storage

Servers & Databases

Monitoring & ITSM

Collaboration & Communication

Admin Tools

Development & DevOps

Industry software (DACH)