Top 5 Open-Source Alternatives to CleanTalk

Product categories

Anti-Spam Bots Captcha Clean Code Code Analysis Code Coverage Code Quality Code Review Cyber Security Open Source SPAM Protection Security

Summary

The top open-source alternatives to CleanTalk are ALTCHA, CyberSiara, and Cerber Security. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

ALTCHA Landing Page
1

ALTCHA

ALTCHA is a free CAPTCHA alternative that uses a proof-of-work mechanism to protect your website, and online services from spam.
Pricing:
- Open Source
- Free
#Security & Privacy #SPAM Protection #Anti-Spam
CyberSiara Landing Page
2

CyberSiara

Leverage the complexity of the human eye to beat bots in a way no other CAPTCHA can. Keep your privacy. Secure your Site. Enhance your User Experience.
Pricing:
- Open Source
- Freemium
- Free Trial
- £15.0 / Monthly (Tier 1, up to 1,000 queries)
#Cyber Security #Captcha #Bots 1 user reviews
Cerber Security Landing Page
3

Cerber Security

Defends WordPress against hacker attacks, spam, trojans and malware.
Pricing:
- Open Source
- Freemium
- $99.0 / Annually
#Web Security #Web Application Security #Cyber Security
mosparo Landing Page
4

mosparo

the modern spam protection
Pricing:
- Open Source
#SPAM Protection #Security #Captcha
SonarQube Landing Page
5

SonarQube

SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
Pricing:
- Open Source
- Freemium
- Free Trial
- $150.0 / Annually
#Code Analysis #Code Review #Code Coverage 1 social mentions