Top 9 Open-Source Alternatives to MTcaptcha

MTcaptcha

Enterprise Captcha solutions

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Pricing:

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Product categories

APIs Ad Blockers Anti-Spam Authentication B2B SaaS Bots Captcha Cyber Security Developer Tools SPAM Protection Security Security & Privacy

Summary

The top open-source alternatives to MTcaptcha are mosparo, CleanTalk, and ALTCHA. 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.

mosparo Landing Page
1

mosparo

the modern spam protection
Pricing:
- Open Source
#SPAM Protection #Security #Captcha
CleanTalk Landing Page
2

CleanTalk

Spam protection for WordPress, Joomla, Drupal, and any other websites
Pricing:
- Open Source
- Free Trial
- $12.0 / Annually
#SPAM Protection #Security #SPAM 6 social mentions
ALTCHA Landing Page
3

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
4

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
DOOM Captcha Landing Page
5

DOOM Captcha

Captchas don't have to be boring
Pricing:
- Open Source
#User Experience #Proxy Server #Tech 3 social mentions
2captcha Landing Page
6

2captcha

2captcha is captcha bypassing software which offers various exciting tools and simple module that gives the fundamental outlook of the captcha.
Pricing:
- Open Source
- Paid
- $0.5 (per 1000 CAPTCHAs)
#Captcha #Web Application Security #Web Security 42 social mentions
BoxyHQ Landing Page
7

BoxyHQ

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!
Pricing:
- Open Source
- Free
- Free Trial
- $49.0 / Monthly (Per connection)
#B2B SaaS #Developer Tools #Security & Privacy
Let's Encrypt Landing Page
8

Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Pricing:
- Open Source
#Identity And Access Management #Two Factor Authentication #Security & Privacy 312 social mentions
Blokada Landing Page
9

Blokada

The best ad blocker for Android. Free and open source.
Pricing:
- Open Source
#Security & Privacy #Ad Blockers #Threat Detection And Prevention 236 social mentions