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14 best Anti-spam libraries in 2022

by kandikits Updated: Jun 15, 2022

Anti-spam libraries are used by developers to build their own anti-spam tools. They are open-source and available for free. They can be easily integrated into an application or website to help keep it clean from spammers. The anti-spam libraries are used to detect spam links. They work by checking whether a link is on a spam list or performing other checks, such as checking if the link is a shortened URL. Invisible_captcha is a library that can be used to create a CAPTCHA using images that are impossible to read by humans but easy for computers. The code is available on GitHub, and there are several examples on the website. Friendly-challenge is another anti-spam library that does the same thing as invisible_captcha but has a few more features, such as multiple image sizes, custom background colors, and more. Discord Anti-Spam is an anti-spam bot for Discord servers that will prevent unwanted messages from being sent to your server. It works by allowing users to send a message with a link that's posted on a certain channel. If someone clicks on the link within 10 seconds, then the message will be delivered normally; otherwise, it'll be blocked by Discord Anti-Spam. There are several popular open source Anti-spam libraries available for developers

invisible_captchaby markets

Ruby star image 867 Version:Current

License: Permissive (MIT)

:honey_pot: Unobtrusive and flexible spam protection for Rails apps

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invisible_captchaby markets

Ruby star image 867 Version:Current License: Permissive (MIT)

:honey_pot: Unobtrusive and flexible spam protection for Rails apps
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friendly-challengeby FriendlyCaptcha

TypeScript star image 253 Version:Current

License: Permissive (MIT)

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.

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friendly-challengeby FriendlyCaptcha

TypeScript star image 253 Version:Current License: Permissive (MIT)

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.
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discord-anti-spamby Michael-J-Scofield

JavaScript star image 140 Version:v2.7.3

License: Permissive (MIT)

A simple discord anti spam node.js module to prevent spam on your discord server

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discord-anti-spamby Michael-J-Scofield

JavaScript star image 140 Version:v2.7.3 License: Permissive (MIT)

A simple discord anti spam node.js module to prevent spam on your discord server
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Raid-Protect-Discord-Botby Darkempire78

Python star image 76 Version:Current

License: Strong Copyleft (GPL-3.0)

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

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Raid-Protect-Discord-Botby Darkempire78

Python star image 76 Version:Current License: Strong Copyleft (GPL-3.0)

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

Go star image 65 Version:Current

License: Permissive (MIT)

Anti-Spam bot for Discord

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sweetiebotby ErikMcClure

Go star image 65 Version:Current License: Permissive (MIT)

Anti-Spam bot for Discord
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Discord-Anti-Spamby Skelmis

Python star image 53 Version:v1.3.0

License: Permissive (MIT)

Ever wanted a bot to automatically deal with spammers? This is your Python library for it.

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Discord-Anti-Spamby Skelmis

Python star image 53 Version:v1.3.0 License: Permissive (MIT)

Ever wanted a bot to automatically deal with spammers? This is your Python library for it.
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the_vikingby TheComments

Ruby star image 53 Version:Current

License: Permissive (MIT)

Akismet anti-spam service for Ruby and Rails

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the_vikingby TheComments

Ruby star image 53 Version:Current License: Permissive (MIT)

Akismet anti-spam service for Ruby and Rails
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postfwd-anti-geoip-spam-pluginby Vnet-as

Perl star image 43 Version:v1.50.0

License: Strong Copyleft (GPL-3.0)

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.

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postfwd-anti-geoip-spam-pluginby Vnet-as

Perl star image 43 Version:v1.50.0 License: Strong Copyleft (GPL-3.0)

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.
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SpamProtectionRobotby TheHamkerCat

Python star image 28 Version:Current

License: Permissive (MIT)

Anti Spam/NSFW Telegram Bot Written In Python With Pyrogram.

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SpamProtectionRobotby TheHamkerCat

Python star image 28 Version:Current License: Permissive (MIT)

Anti Spam/NSFW Telegram Bot Written In Python With Pyrogram.
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spamfightbotby lilydjwg

Python star image 10 Version:Current

License: Permissive (BSD-3-Clause)

Another Telegram anti-spam bot without disturbance.

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spamfightbotby lilydjwg

Python star image 10 Version:Current License: Permissive (BSD-3-Clause)

Another Telegram anti-spam bot without disturbance.
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FluffyProtectby noarchwastaken

Python star image 6 Version:v0.1

License: Permissive (WTFPL)

Telegram group anti-spam for humans.

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FluffyProtectby noarchwastaken

Python star image 6 Version:v0.1 License: Permissive (WTFPL)

Telegram group anti-spam for humans.
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YOURLS-Phishtank-2.0by joshp23

PHP star image 6 Version:2.1.5

License: Strong Copyleft (GPL-3.0)

Anti-spam check for URLS using the Phishtank API

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YOURLS-Phishtank-2.0by joshp23

PHP star image 6 Version:2.1.5 License: Strong Copyleft (GPL-3.0)

Anti-spam check for URLS using the Phishtank API
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plg_captcha_friendlycaptchaby SharkyKZ

PHP star image 5 Version:1.2.0

License: Strong Copyleft (GPL-2.0)

Friendly Captcha anti-spam plugin for Joomla!

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plg_captcha_friendlycaptchaby SharkyKZ

PHP star image 5 Version:1.2.0 License: Strong Copyleft (GPL-2.0)

Friendly Captcha anti-spam plugin for Joomla!
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milterby sdgathman

Python star image 5 Version:milter-0.9

License: Strong Copyleft (GPL-2.0)

A powerful pymilter based anti-spam milter used by BMS

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milterby sdgathman

Python star image 5 Version:milter-0.9 License: Strong Copyleft (GPL-2.0)

A powerful pymilter based anti-spam milter used by BMS
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