wenlng/go-captcha

Health v2 · maintenance only

Adoption not part of the score

2411 stars · 221 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

GoCaptcha is a high-performance, modular behavioral CAPTCHA library for Go that generates interactive challenges including click, slide, drag-drop, and rotation modes. It ships with companion frontend packages for JavaScript, Vue, React, Angular, Solid, Svelte, and UniApp, and outputs base64 captcha data for web and app integration.

Use cases

• add captcha verification to a Go web application login form
• generate interactive click-based captchas in Go
• implement slider captcha challenges for bot protection
• add drag-drop or rotation captcha to a signup flow
• block automated bot signups with behavior-based verification
• serve base64 captcha images from a Go backend API

When to choose

• you need a self-hosted, customizable CAPTCHA in a Go backend without third-party services
• you want multiple interactive captcha modes (click, slide, drag, rotate) with matching frontend components
• you prefer behavior-based challenges over traditional text-input captchas for better UX

When to avoid

• your stack is not Go and you only need a backend captcha generator
• you want a fully managed captcha service like reCAPTCHA or hCaptcha with no integration work
• you need accessibility-friendly or audio-based captcha alternatives

Facets

library · maturity active

security middleware ui-components image-processing security web-development backend go cross-platform captcha behavior-captcha click-captcha slider-captcha drag-drop-captcha rotation-captcha base64 anti-bot frontend-components web-server

Member repositories

For agents

markdown · JSON · MCP: product_card(name="wenlng/go-captcha")