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OpenSourceAlternatives

Tag

source-available

2 catalogue entries use this topic; each Project's license policy is labeled separately.

Private Captcha

Private Captcha

Privacy-first proof-of-work CAPTCHA with invisible checks

Stars197
Commitjust now
LicensePolyForm-Noncommercial-1.0.0

Private Captcha is a privacy-first proof-of-work CAPTCHA that blocks bots with invisible cryptographic checks instead of puzzles, tracking, or cookies.

Alternative toFriendly CaptchaALTCHAmCaptcha
Sentry

Sentry

Error tracking and performance monitoring for applications

CompanyFunctional Software
Since2012
PricingFreemium

Sentry is the tool most teams install first and remove last. An unhandled exception arrives with a stack trace, the release that introduced it, the users affected, and the breadcrumbs leading up to it.