CertKit

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

A simple, intuitive web app for analyzing and decoding/encoding data without dealing with complex tools or programming languages. Like a Swiss army knife of cryptography & encryption. All features are free to use, with no limit. Open source if you wish to self-host.

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.

Free website security check and malware scanner

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.