npm
altcha-org/altcha
GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.
MITSep 8, 2026 · metrics 2.10.0
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Catalogue tag
#altcha
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
11 records
npm
altcha-org/altcha-lib
A JavaScript library for creating and verifying ALTCHA challenges.
MITSep 13, 2026 · metrics 2.10.0
Go · npm
Upellift99/GateCHA
Self-hosted ALTCHA CAPTCHA management server with API keys, multi-site support, and statistics dashboard. Open-source alternative to ALTCHA Sentinel.
MITSep 20, 2026 · metrics 2.10.0
Maven
altcha-org/altcha-lib-java
A lightweight Java library for creating and verifying ALTCHA challenges.
MITOct 10, 2026 · metrics 2.10.0
Packagist · npm
tito10047/altcha-bundle
A Symfony bundle to help integrate ALTCHA with Symfony forms.
MITSep 12, 2026 · metrics 2.10.0
PyPI
altcha-org/altcha-lib-py
A lightweight Python library for creating and verifying ALTCHA challenges.
MITSep 19, 2026 · metrics 2.10.0
Packagist
altcha-org/altcha-lib-php
A lightweight PHP library for creating and verifying ALTCHA challenges.
MITSep 12, 2026 · metrics 2.10.0
RubyGems
altcha-org/altcha-lib-rb
A lightweight library for creating and verifying ALTCHA challenges.
MITOct 10, 2026 · metrics 2.10.0
Hex
altcha-org/altcha-lib-ex
A lightweight Elixir library for creating and verifying ALTCHA challenges.
MITSep 9, 2026 · metrics 2.10.0
Packagist · npm
bbysaeth/typo3-altcha
TYPO3 form element for spam protection by utilizing the proof-of-work mechanism Altcha.
GPL-2.0Sep 14, 2026 · metrics 2.10.0
NuGet
ixnas/altcha-dotnet
C# implementation of the ALTCHA challenge.
BSD-2-ClauseSep 15, 2026 · metrics 2.10.0