Life & fun · alternatives · 2026

Vulnerable.co sends email notifications alerting users to major security vulnerabilities as they emerge. Designed for anyone who wants to stay informed about significant security threats without constantly monitoring… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Easy email notifications for major security vulnerabilities. launched in 2013; newer entries below may have overtaken it.

1. 1
   Alert.email▲250

   Get your important emails delivered to a Slack channel

   2016 · its alternatives →

2. 2VS
   Vulnia – Security email alerts about technologies you use daily▲19

   2015 · vulnia.com · its alternatives →

3. 3EY
   Enter your URL and view CVEs affecting your stack over last 6 months▲144

   2019 · secalerts.co · its alternatives →

4. 4
   Vulert▲76

   Instant alerts on vulnerable dependencies. No installations

   2023 · vulert.com · its alternatives →

5. 5RA
   Receive Alerts when your Server's software has Security Vulnerabilities▲16

   2017 · beta.secureit.io · its alternatives →

6. 6
   Mail Track▲168

   Gmail extension to track when your emails are opened

   2023 · mailtrack.email · its alternatives →

7. 7
   Crypto Notifications for Metamask▲156

   Telegram & Email notifications for crypto & NFT transactions

   2023 · metla.com · its alternatives →

8. 8UC
   URL Canary – Get an alert when someone finds your secrets▲273

   2018 · urlcanary.com · its alternatives →

9. 9
   Unspam.email▲299

   Email spam checker and newsletter heatmap prediction.

   2020 · unspam.email · its alternatives →

10. 10
    Alerty▲96

    Send yourself push notifications from your apps and servers

    2023 · alerty.dev · its alternatives →

11. 11ET
    Easy-to-use curl command to send email notifications▲107

    2018 · curlmail.co · its alternatives →

12. 12
    Spike.sh▲157

    Get a phone call, SMS & Slack alerts when users are affected

    2020 · spike.sh · its alternatives →

13. 13
    Notifyz▲145

    Create, Subscribe, Notify All in One Place

    2024 · its alternatives →

14. 14
    Atlas Broadcast▲163

    Send customer updates via Slack, SMS, & email

    2025 · atlas.so · its alternatives →

15. 15PR
    Patchwork – Real-time notifications for OSS vulnerabilities▲122

    2016 · patchworksecurity.com · its alternatives →

16. 16
    Guardian Digital▲66

    Guardian Digital makes email safe for business

    2021 · guardiandigital.com · its alternatives →

17. 17
    EmailMe▲148

    Email notifications for your projects

    2024 · its alternatives →

18. 18
    Libre Push▲113

    Fully-featured web push notifications within minutes

    2024 · its alternatives →

19. 19IM
    I made an emergency page for my family▲84

    I have a bad memory and can't memorize some important numbers, so I created this project. I've always been concerned about being without my phone (getting robbed - which is common in Brazil - running out of battery, having it break, etc.), so I decided to create a page that sends SMS messages (LLM-summarized) and emails with more detailed information such as geolocation, IP address, and the full message. It’s a simple page that allows sending one or more messages, with recipients being myself and other people - for example, in case I or they need help or need to communicate something…

    May 2026 · help.delduca.org · its alternatives →

20. 20
    Creep Alert▲131

    Check if friends or colleagues track you via email

    2019 · its alternatives →

21. 21
    SMS Alerts on Slack▲76

    Emergency notifications for your team via SMS

    2021 · clerk.chat · its alternatives →

22. 22
    Scary Senders▲123

    Detect spooky spy pixels in your emails

    2021 · encouragement.beyondco.de · its alternatives →

23. 23
    Best Reminder App Chrome Extension▲125

    Cloud Sync: Reminders across devices, plus email alerts.

    2025 · bestreminderapp.com · its alternatives →

24. 24
    Danger▲119

    Catch fake details, block throwaway emails, spot problem IPs

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →