OpenSSL, Let's Encrypt, Ensighten, Google reCaptcha, and Azure Key Vault are the most popular tools in the category “Security”.
A free service that protects your website from spam and abuse
A free, automated, and open Certificate Authority (CA)
Easily create and control the encryption keys used to encrypt your data
A user-friendly, privacy-preserving alternative to CAPTCHA
Protect your multicloud and hybrid environments
An enterprise friendly way of detecting and preventing secrets in code, by Yelp
Safeguard cryptographic keys and other secrets used by cloud apps and services