Sucuri SiteCheck

Scan your Django site for security flaws with this free, automated checkup tool. Forked from the Pony Checkup site.

Free autonomous security platform that finds, validates and fixes insecure code and packages across +20 languages and frameworks. Free plan includes 1 user and 2 repos.

Tools and services for implementing end-to-end encryption, database protection, IoT security, and more in your digital solution. Free for applications with up to 250 users. ⬆️ Back to Top

Test an SSL/TLS service for secure server configuration, certificates, chains, etc. Not limited to HTTPS.

Intense analysis of the configuration of any SSL web server

Free supply chain security for individual developers, small teams, and open source projects. Includes a free app and firewall CLI tool to protect your code from vulnerable and malicious dependencies. Detects 70+ indicators of supply chain risk.

Free website security check, site antivirus, and server firewall (WAF) for PHP. Email notifications for registered users in the free tier.

Daily SSL/TLS certificate monitoring: expiry alerts (30/7/1 day), chain and OCSP revocation checks, and certificate transparency issuance history. Free forever for 5 domains, no credit card.