Open-source projects categorized as Anti-spam

Top 12 Anti-spam Open-Source Projects

  • base64Captcha

    captcha of base64 image string

  • django-simple-captcha

    Django Simple Captcha is an extremely simple, yet highly customizable Django application to add captcha images to any Django form.

  • InfluxDB

    Access the most powerful time series database as a service. Ingest, store, & analyze all types of time series data in a fully-managed, purpose-built database. Keep data forever with low-cost storage and superior data compression.

  • invisible_captcha

    :honey_pot: Unobtrusive and flexible spam protection for Rails apps

  • phpMussel

    PHP-based anti-virus anti-trojan anti-malware solution.

  • friendly-challenge

    The widget and docs for the proof of work challenge used in Friendly Captcha. Protect your websites and online services from spam and abuse with Friendly Captcha, a privacy-first anti-bot solution.

    Project mention: Developers, degoogle your websites. Here's why and how? | /r/degoogle | 2022-06-30

    FriendlyCaptcha maybe? The js part is open source

  • spamscanner

    Spam Scanner is a Node.js anti-spam, email filtering, and phishing prevention tool and service. Built for @ladjs, @forwardemail, @cabinjs, @breejs, and @lassjs.

  • Raid-Protect-Discord-Bot

    A Discord Bot that allows you to protect your Discord server with captcha, anti profanity, anti nudity image, anti spam, account age required, logs...

  • Sonar

    Write Clean Python Code. Always.. Sonar helps you commit clean code every time. With over 225 unique rules to find Python bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.


    UTM Firewall on OpenBSD


    CIDRAM: Classless Inter-Domain Routing Access Manager.

  • django-simple-spam-blocker

    Simple spam blocker for Django

  • sw_proxmox_mail_gw

    Role to install Proxmox Mail Gateway on a linux server

    Project mention: Proxmox Mail Gateway Setup using Ansible | /r/Proxmox | 2022-08-15
  • Prowl-API

    Prowl is an API that allows you to send IP and in return obtain the reputation of the IP as well as indicators of attacks and indicators of compromise associated with the address. Lupovis monitors the web in real time and identifies malicious IP addresses for you.

    Project mention: An IP Reputation integration on NPM to stop the baddies | | 2023-05-11
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-05-11.

Anti-spam related posts


What are some of the best open-source Anti-spam projects? This list will help you:

Project Stars
1 base64Captcha 1,756
2 django-simple-captcha 1,308
3 invisible_captcha 1,012
4 phpMussel 395
5 friendly-challenge 353
6 spamscanner 213
7 Raid-Protect-Discord-Bot 202
8 UTMFW 110
9 CIDRAM 106
10 django-simple-spam-blocker 23
11 sw_proxmox_mail_gw 7
12 Prowl-API 4
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