Catalogue tag

#antispam

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.

6 records

Tagged “antispam”Ranked by health index

npm

88Excellenthealth index

prosopo/captcha

Open-source, frictionless CAPTCHA and bot defense. A privacy-focused alternative to reCAPTCHA and hCaptcha.

TypeScript★ 297↓ 32.5K/moJul 30, 2026

Apache-2.0Jul 30, 2026 · metrics 2.10.0

npm

81Excellenthealth index

altcha-org/altcha-lib

A JavaScript library for creating and verifying ALTCHA challenges.

TypeScript★ 97↓ 390.3K/moJul 26, 2026

MITJul 26, 2026 · metrics 2.10.0

npm

78Goodhealth index

altcha-org/altcha

GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.

TypeScript · Svelte★ 2,586↓ 300.6K/moJul 15, 2026

MITJul 15, 2026 · metrics 2.10.0

Packagist

75Goodhealth index

omines/antispam-bundle

The Swiss Army Knife of battling form spam in your Symfony application!

PHP★ 47↓ 4,653/moJul 20, 2026

MITJul 20, 2026 · metrics 2.10.0

Packagist

59Moderatehealth index

CleanTalk/php-antispam

PHP spam protection. CAPTCHA-free alternative

PHP★ 72↓ 3,964/moAug 4, 2026

No licenseAug 4, 2026 · metrics 2.10.0

—

54Moderatehealth index

The-McGrail-Foundation/MIMEDefang

MIMEDefang is an e-mail filtering tool that works with the Sendmail “Milter” library. MIMEDefang lets you express your filtering policies in Perl rather than C, making it quick and easy to filter or manipulate your mail.

Perl · C · Roff★ 31Jul 23, 2026

GPL-2.0Jul 23, 2026 · metrics 2.10.0