Best Free Bot Detection and Mitigation Software
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Compare the Top Free Bot Detection and Mitigation Software as of October 2025
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What is Free Bot Detection and Mitigation Software?
Bot detection and mitigation software is designed to help organizations detect and protect against malicious bots or automated computer programs. The software uses sophisticated algorithms to monitor network traffic and identify suspicious activity, alerting administrators when a potential threat is detected. Once bot activity has been identified it provides the user with options to deal with the threat, including blocking access, tracking down the source of malicious activity, or quarantining infected files. Bot detection and mitigation software can also provide protection from data theft, distributed denial-of-service attacks (DDoS) and other online threats. With its ever-evolving capabilities, this type of software can be an invaluable tool in securing organizational systems and networks. Compare and read user reviews of the best Free Bot Detection and Mitigation software currently available using the table below. This list is updated regularly.
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1
c/side
c/side
c/side is a cutting-edge client-side security solution designed to protect digital organizations from the growing threat of browser-based attacks. Unlike traditional security tools that rely solely on threat feed intelligence, c/side employs a fully autonomous detection system that uses historical context and AI to analyze the behavior and payload of third-party scripts. This proactive approach allows c/side to identify and block potential threats before they can reach your users, ensuring robust protection against zero-day vulnerabilities and supply chain attacks. With its unique proxy solution, c/side offers unparalleled defense for client-side applications, making it an essential tool for any organization looking to safeguard their web presence.Starting Price: $99 per month -
2
Queue-Fair
Queue-Fair
A virtual waiting room is a page that holds visitors away from a busy website and feeds them back to the protected website at a rate it can handle while still maintaining responsiveness and performance. This means websites can handle unexpected or sudden peaks in traffic without website crashes, and without having to waste energy powering additional servers when things are not busy, so it's green tech too. Fair virtual waiting rooms pass visitors back in first-come, first-served order. A good virtual waiting room should also keep the visitor fully informed of their progress and remaining wait. There's nothing worse for your business than a crashed site. High-demand sales don't just damage your servers, they damage your reputation. Protect your customers' goodwill with a smooth branded journey. Show your customers that fairness matters with our original patented first-in, first-out virtual waiting room technologyStarting Price: Free -
3
Cloudflare
Cloudflare
Cloudflare is the foundation for your infrastructure, applications, and teams. Cloudflare secures and ensures the reliability of your external-facing resources such as websites, APIs, and applications. It protects your internal resources such as behind-the-firewall applications, teams, and devices. And it is your platform for developing globally scalable applications. Your website, APIs, and applications are your key channels for doing business with your customers and suppliers. As more and more shift online, ensuring these resources are secure, performant and reliable is a business imperative. Cloudflare for Infrastructure is a complete solution to enable this for anything connected to the Internet. Behind-the-firewall applications and devices are foundational to the work of your internal teams. The recent surge in remote work is testing the limits of many organizations’ VPN and other hardware solutions.Starting Price: $20 per website -
4
SEON
SEON
SEON's mission is to create a world free from financial crime by stopping fraud earlier and quicker in the customer journey. With the trust of more than 5,000 companies, SEON has reviewed billions of transactions, preventing over €160 billion in fraudulent activities. Our rapid integration, and 30 days free trial, allow businesses to try SEON with low risk and high rewards. SEON provides a comprehensive end-to-end fraud prevention solution, including Anti-Money Laundering (AML). Our unique approach combines social signals with deep digital footprinting, leveraging fully-explainable machine learning to identify emerging fraud threats. As a recipient of numerous accolades, including Sifted's Rising 100, Deloitte's Technology Fast 50, Crunchbase's Emerging Unicorn, and G2's Fastest Growing Software in 2022, SEON has raised $94 million in Series B funding as of April 2022. Operating globally from Austin, London, Budapest, and Singapore, we are committed to making the world safer.Starting Price: €599 -
5
CrowdHandler
CrowdHandler
Trusted by entertainment brands, sports teams, e-tailers and government agencies the world over, CrowdHandler’s virtual waiting room protects your application and ensures fairness during peak-load. Keep track of your queues, and your site performance too. Our dashboard tells you everything you need to know about the state of your application. Build excitement around scarcity. Countdown to your drop, and treat your fans fairly, by randomizing positions at the critical moment. One in one out, rate-limiting or priority access. Protect your whole domain or just one URL. Integrate at the edge, or with our API — CrowdHandler works the way you need it.Starting Price: $190 per month -
6
Cequence Security
Cequence Security
Start analyzing and protecting your APIs with passive, inline or API-based integration with any existing network component – API gateway, proxy, CDN or ingress controller. Predefined policies, fine-tuned using threat patterns observed in protecting billions of API transactions per day delivers unmatched, out-of-the-box protection. A rich user interface and an open, API-based architecture enables integration with threat intelligence feeds, CI/CD framework tools, other security components, and SIEM/SOAR/XDR solutions. Patented ML-based analysis eliminates JavaScript and SDK integration pen-alties such as extended development cycles, slow page loads and forced mobile-app upgrades. ML-based analysis generates a unique Behavioral Fingerprint to determine malicious intent and continually tracks attackers as they retool. -
7
Fraudlogix
Fraudlogix
Fraudlogix provides real-time fraud detection APIs to block bots, proxies, VPNs, and high-risk IPs before they impact your business. Ideal for developers and security teams in Affiliate Marketing, Ad Tech, E-commerce, Banking, and Cybersecurity, our Bot & Fraud API offers 1,000 free IP lookups per month - no credit card required. Backed by a proprietary network monitoring 300M+ URLs and apps, we help stop invalid traffic (IVT), fake signups, click fraud, account takeovers, and card fraud. Fraudlogix uses behavioral intelligence and IP risk scoring to identify fraudulent activity in milliseconds. With flexible integration options - APIs, JS pixel, or server-to-server - Fraudlogix makes enterprise-grade fraud prevention easy to deploy and scale. Try it free and start protecting your traffic instantly.Starting Price: $0/month -
8
Sensfrx
Sensfrx
Sensfrx is a powerful fraud prevention platform designed to safeguard businesses from various types of fraud, including account takeovers, chargebacks, bot interference, and fake registrations. It uses advanced AI and machine learning to detect malicious activities in real time, ensuring seamless user experiences while protecting sensitive data. By analyzing user behavior, device fingerprints, and transaction details, SensFRX detects suspicious activity early. For example, it blocks stolen credentials during login, stops fake identities at sign-up, and flags scams using real-time risk scoring. Its self-learning algorithms respond instantly to threats, reducing false alerts while stopping fraud before damage occurs. The platform is highly customizable, allowing businesses to set their own fraud prevention rules and policies, making it adaptable to various industries, from e-commerce to banking.Starting Price: $29/month -
9
MTCaptcha
MTCaptcha
MTCaptcha is a smart captcha service that prioritizes privacy and accessibility. It offers an adaptive invisible noCaptcha that is easy for humans but hard for bots, making verification frictionless. MTCaptcha is GDPR and WCAG compliant, ensuring that your data is never sold or shared with third parties. The captcha images are certified colorblind safe and the widget is fully VPAT compliant and optimized for screen readers. MTCaptcha supports any language and can be fully customized to match any webpage. It also supports audio in captcha, making it accessible to users who are visually impaired. MTCaptcha is trusted by Enterprises, Government, NGOs worldwide and is available in all the major world languages. MTCaptcha works around the world, including in China, making it a truly global captcha solution. It is backed by an adaptive Risk Engine that monitors and responds to threats, making it difficult for bots but easy for humans.Starting Price: Free plan $0, Paid $85 - $150 -
10
Human Presence
Human Presence
Human Presence is the most innovative bot detection & spam protection software in the world. You can stop form spam without impacting your user experience on Shopify and WordPress websites. No coding is required. Get started with your app or plugin today! With our shop protector app on Shopify and Human Presence plugin on WordPress, we make it easy to protect your forms with just a few clicks. No more dealing with recaptcha and those annoying “I’m not a robot” boxes. Human Presence is invisible to your website visitors offering them a frictionless user experience. We pride ourselves on offering top-notch support for all of our apps & plugins. Our friendly support team will be happy to help you address any of your issues via support request or online chat. 40% of all web traffic is coming from bots. While some of these bots are just crawlers for search engines and other software, the majority of bots are malicious. 25% of all web traffic in 2020 came from malicious spam bots.Starting Price: $49 per month -
11
Moonsense
Moonsense
Moonsense helps customers detect the most sophisticated fraud schemes by providing immediate access to actionable signals and underlying granular source data for enhancing fraud detection without creating additional user friction. User behavior and user network intelligence are the building blocks required to reveal the user's unique digital body language, similar to an individual's fingerprint. In a world where data breaches are common, the user's digital body language is uniquely capable of detecting the most challenging fraud typologies without adding user friction. Identity theft is one of the most common fraud types. During account creation, there is an expected pattern of behavior. By analyzing the user's digital body language, you can flag accounts that are different from what's normal. Moonsense is on a mission to level the playing field in the fight against online fraud. One integration unlocks access to both user behavior and user network intelligence.Starting Price: Free -
12
IPDetective
IPDetective
IPDetective is an API that focuses on the bot and non-human IP detection to quickly identify if an IP address comes from a data center, VPN, or proxy. You can sign up for the free API by simply signing in to access your API key. IPDetective tracks over 1000 ASNs and detects over 250 million IP addresses as non-human users from +100 different origins, ranging from data centers, botnets, proxies, and VPNs. IPDetective is free to use up to 1,000 requests per day. Commercial plans are available for those with greater needs, and IPDetective focuses on speed. IP queries should be fulfilled as quickly as possible. Bot detection should not impact application performance. APIs are simplistic, allowing you to detect bots from any application or programming language. IPDetective was created as an internal solution for various projects and has now been opened to the public. We will continuously scrape the internet to give its customers the most up-to-date IP bot detection service.Starting Price: $25 per month -
13
BotGuard
BotGuard
We selectively block bad bot traffic in real-time, while granting unrestricted access to a website for human users, search engines, and affiliate automation tools. Protect your website by installing a web server extension module (for Apache or NGINX), a CMS plugin (WordPress), or a hosting panel plugin (cPanel, Plesk, or DirectAdmin). This easy-to-integrate protection solution gives you a full defense against hackers and bots, server load reduction, SEO improvement and precise web analytics. Bots make up over a third of web traffic today, and every site needs reliable protection. Use our simple scanner to safely emulate 5 typical “bad bot” requests to your website. This basic check takes less than 1 minute. BotGuard GateKeeper is the ultimate protection solution for multiple clouds including AWS, Digital Ocean, and Vultr, hosting providers, and enterprise-level infrastructures.Starting Price: €5 per month -
14
DDoS-GUARD
DDoS-GUARD
DDoS-GUARD is one of the leading service providers on the global DDoS protection and content delivery markets since 2011. Unlike most of other companies, we provide services using our own network of scrubbing centers having sufficient channel and computing capacities to process high volumes of traffic. We do not resell other companies' services claiming them as our own. Today's digital world shows us ever-increasing number of cyber threats. Abreast of the latest trends, the number of DDoS attack types is increasing too. Besides, the attacks themselves become more volumetric, complex and varied. Realizing that, we are constantly modifying traffic scrubbing algorithms, increasing channel capacity, add computational resources to traffic processing centers. It allows us not only provide protection against all known DDoS attack types to our customers, but also detect and block any previously unknown anomalous network activity.Starting Price: $30/month -
15
BotDetect CAPTCHA
Captcha
BotDetect™ CAPTCHA generator is a non-stalking form-security solution that uses a mix of measures, that are easy for humans but hard for bots, to prevent automated form posting. BotDetect also provides an audio Captcha alternative to keep websites accessible to people with impaired vision, enabling you to make WCAG and Section 508 compliant websites. The years of Google’s relentless abuses of their organic and paid search monopolies, and the years of their equally relentless campaign of disinformation and FUD about captchas, took a toll among our former competitors there are only two viable players left. During its first decade, BotDetect was unique among Captcha generators in offering many different Captcha image and sound algos. While each of them was easily comprehensible to humans, the random use of multiple Captcha generation algos made the generated captchas extremely difficult to pass automatically. -
16
CaptchaFox
CaptchaFox
Online businesses rely on CaptchaFox to defend and safeguard their website and services against automated bot attacks. CaptchaFox protects against account takeover, credential stuffing, spam and scalping while complying with global privacy laws, such as GDPR, CCPA, and more. Through minimized data collection and retention during verification, the privacy of your users is always preserved. CaptchaFox utilizes a variety of data signals and dynamic response challenges to verify the authenticity of visitors without the use of cookies or trackers. The challenges have low friction and are easy for humans to solve but difficult for bots. The service is available in multiple languages and scales to incoming traffic through our global infrastructure. Enterprise customers can access advanced threat insights to achieve complete risk awareness.Starting Price: €15/month -
17
Veille
Veille
Veille is an advanced security platform designed to protect applications from AI-driven fraud, malicious bots, account takeovers, and automated attacks in real time. Its intelligent verification API helps stop suspicious signups and unauthorized access by analyzing multiple risk factors while maintaining a seamless user experience. Veille offers comprehensive features like device fingerprinting, bot detection, AI risk scoring, email intelligence, and behavioral analysis to safeguard platforms against abuse. The system is easy to integrate with just a few lines of code and continuously updates to counter emerging threats. With high uptime and a proven track record processing over 200 million requests, Veille ensures reliable and effective protection. Its flexible pricing plans cater to startups, growing teams, and large enterprises.Starting Price: $99/month -
18
InfiSecure
InfiSecure Technologies
Defend against scrapers, hackers and spammers with InfiSecure's advanced bot detection technology for real-time automated protection. Integrate in 20 minutes with our customized API integration kits. 24x7 automated threat protection against bad and nonhuman traffic. InfiSecure specializes in protecting Web & API from OWASP Top Automated Threats such as Web Scraping, Content Theft, Account Takeover, etc. Our Anti-Bot solution empowers your IT, Legal and Marketing departments to efficiently manage and protect your domain names, trademarks, products, and online brand identity by allowing you to detect and mitigate against all malicious automated traffic in real-time. With our ready integration kits and plugins, get started with active protection within 15 minutes. Get 1:1 dedicated support during integration. Personalized dashboards for real-time traffic statistics reaching your server.Starting Price: $15 per month
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