mosparo

Self-Hosted

Open-source anti-spam tool without intrusive captchas

Overview

mosparo is an open-source anti-spam solution that protects web forms from automated spam bots without using captchas. It uses a lightweight, invisible challenge-response system to verify legitimate users while blocking spam. Key features include seamless integration with platforms like WordPress, Drupal, and Shopify, an API for custom implementations, and real-time spam detection. Deployment is simplified via Docker containers, allowing users to host it on their own servers for full privacy control. It’s ideal for website owners wanting to reduce spam while maintaining a smooth user experience.

Self-Hosting Resources

Find Official Image on Docker Hub View Source & Docs

Below is a reference structure for docker-compose.yml. ⚠️ Do NOT run blindly. Replace placeholders with official values.

docker-compose.template.yml TEMPLATE


version: '3'
services:
  mosparo:
    image: <OFFICIAL_IMAGE_NAME>:latest
    container_name: mosparo
    ports:
      - "8080:<APP_INTERNAL_PORT>"
    volumes:
      - ./data:/app/data
    restart: unless-stopped

Key Features

Captcha-free spam protection for web forms
Pre-built integrations with popular CMS and e-commerce platforms
Docker-powered easy deployment
API access for custom form integrations

Frequently Asked Questions

? Is mosparo hard to install?

No—mosparo supports Docker, so you can set it up quickly with a single container. It also provides detailed manual installation guides. Most users with basic server knowledge can get it running in minutes.

? Is it a good alternative to Google reCAPTCHA?

Yes—mosparo avoids reCAPTCHA’s privacy concerns (no user data shared with third parties) and eliminates the need for users to solve captchas, improving form conversion rates while blocking spam effectively.

? Is mosparo completely free?

Yes—mosparo is open-source under the MIT license. It’s completely free to use, modify, and self-host with no hidden fees or subscription requirements.

Top Alternatives

Google reCAPTCHA Search Google

Akismet Search Google

hCaptcha Search Google

Tool Info

Pricing Open Source

Category Miscellaneous

Platform Self-Hosted

Pros

⊕ Privacy-focused (self-hosted, no third-party data sharing)
⊕ No annoying captchas for users
⊕ Open-source with no subscription fees
⊕ Real-time spam detection and reporting

Cons

⊖ Requires a server to host (self-hosted only)
⊖ Limited to form spam (not email or comment spam)
⊖ Basic technical skills needed for initial setup