Topic
Security
How we secure websites, forms and dependencies – with tools we run ourselves and publish as open source.
All articlesGatekeeper: a sign-in gate for websites behind nginx or Traefik
Our open-source gatekeeper protects previews, reports and internal pages: sign-in by one-time code or OpenID Connect, without a database.
Spam protection for web forms – without cookies or foreign CAPTCHA services
How our self-hosted ALTCHA service stops form spam with proof-of-work: no puzzles, no cookies, no tracking and no data sent to a CAPTCHA provider.
OWASP Dependency-Check: CVE updates in minutes with a static NVD mirror
Our NVD mirror serves the NVD data as static files – no API key, no rate limits – plus ready-made Dependency-Check databases for H2, MySQL and PostgreSQL.