CleanTalk Alternatives

Akismet is a spam fighting service that protects millions of WordPress sites from comment and contact form spam.

reCAPTCHA is a free security service that protects your websites from spam and abuse.

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.

The better, new standard to stop spam content.

freemium $49.0 / Monthly (Unlimited Websites, 100K API Calls)

Say Goodbye to comment spam on your WordPress blog or website.

AWS Cloud Security is an all-in-one cloud hosting service that is reliable and agile that has been providing virtual instances for every business needs.

Complete DDoS protection and load balancing solutions to ensure optimal security for applications...

StopForumSpam - a database of known forum and blog spam, its sources and the email addresses reported

Lookout Cloud Access Security Broker is a useful service that provides scalability and visibility into complete interaction between users, endpoints, cloud applications, and data.

The best captcha alternative. Accessible, Mobile-friendly, and Retina-ready! Available for Node.js, PHP, Ruby, Meteor, jQuery, Angular, and vanilla JS.

OneNeck provides a comprehensive suite of enterprise-class IT solutions that are customized to fit your specific needs.

Spamty is a web service to encrypt an email address and share it on the internet.

Enterprise Captcha solutions