TYPO3 Extension Repository
  • Browse Extensions
  • About Extension Repository
    • What are extensions?
    • Extension Keys
    • TER Packagist Integration
  • FAQ
    • Choosing an extension key
    • Publish an extension
    • REST API
    • Composer Support

Active filters

  • #invisible
  • Remove all filters

Sort by

  • Relevance
  • Last Upload
  • Likes

Works with TYPO3

  • 14 LTS 1
  • 13 LTS 1
  • 12 LTS 3
  • 11 LTS 3
  • 10 LTS 2

Installation method

  • Composer 4
  • Extension Manager 4

Publishing channel

  • TER 4

Extension tags

  • #Captcha 4
  • #Bot-Protection 2
  • #DSGVO 2
  • #GDPR 2
  • #Non-Interruptive 2
  • #form 2
  • #intelligent 2
  • #spam 2
  • #altcha 1
  • #google 1
  • #invisiblerecaptcha 1
  • #pow 1
  • #powermail 1
  • #reCAPTCHA 1

ALTCHA spam protection for ext:form ALTCHA spam protection for ext:form

altcha / by Benjamin Bysäth
4

TYPO3 form element for spam protection with ALTCHA Widget v3.

v2.0.2 • 10 Aug 2026 • TYPO3 14 LTS + more

captchaeu captchaeu

captchaeu_powermail / by Captcha.eu
0

Captcha.eu TYPO3 extension for powermail

v1.0.2 • 21 Feb 2024 • TYPO3 11 LTS + more

Captcha.eu Captcha.eu

captchaeu_typo3 / by Captcha.eu
0

Captcha.eu - The intelligent GDPR-compliant Captcha solution without interrupting puzzles or riddles

v1.0.4 • 21 Feb 2024 • TYPO3 12 LTS + more

invisiblerecaptcha invisiblerecaptcha

invisiblerecaptcha / by Powermail Development Team
1

Google invisible recaptcha TYPO3 extension for powermail

v7.0.2 • 07 Feb 2024 • TYPO3 12 LTS + more
  • 1
Ready to get started?
 Download TYPO3 CMS for free!
Download Get more info
TYPO3
🦋
Logo with a blue badge and white checkmark next to the letters DPG on a dark blue background.  White geometric cubes and bold text on an orange background represent 9 Industry, Innovation and Infrastructure, which is one of the United Nations Sustainable Development Goals.  A white equal sign surrounded by four arrows pointing outward on a pink background represent 9 reduced inequalities, which is one of the United Nations Sustainable Development Goals.
© 2026 TYPO3 Association

Popular links

Extension list
legal info
privacy policy