Best Free Bot Detection and Mitigation Software of 2025

c/side is an innovative client-side security solution aimed at shielding digital enterprises from the increasing risks associated with browser-based threats. Unlike conventional security measures that depend primarily on threat intelligence feeds, c/side utilizes a fully autonomous detection mechanism that leverages historical data and artificial intelligence to scrutinize the behavior and payloads of third-party scripts. This forward-thinking strategy enables c/side to spot and neutralize potential dangers before they can affect your users, providing strong defense against zero-day exploits and supply chain vulnerabilities. Featuring a distinctive proxy solution, c/side delivers unmatched protection for client-side applications, making it an indispensable asset for organizations seeking to secure their online presence.

A virtual waiting room is a page that keeps visitors away from busy websites and then feeds them back to the protected site at a pace it can handle, while maintaining responsiveness and performance. Websites can handle sudden or unexpected peaks in traffic without a website crash. It also means that websites don't have to waste energy on additional servers when they are not busy. This makes it green tech, if implemented correctly. Fair virtual waiting rooms return visitors in first-come first-served fashion. A good virtual waiting area should keep visitors informed about their progress and the remaining wait time. A crashed website is the worst thing for your business. High-demand sales not only damage your servers but also damage your reputation. Smooth branding can help you protect your customers' goodwill. Our original patented virtual waiting room technology allows you to show your customers that fairness is important while providing a fully branded customer journey.

Cloudflare is the foundation of your infrastructure, applications, teams, and software. Cloudflare protects and ensures the reliability and security of your external-facing resources like websites, APIs, applications, and other web services. It protects your internal resources, such as behind-the firewall applications, teams, devices, and devices. It is also your platform to develop globally scalable applications. Your website, APIs, applications, and other channels are key to doing business with customers and suppliers. It is essential that these resources are reliable, secure, and performant as the world shifts online. Cloudflare for Infrastructure provides a complete solution that enables this for everything connected to the Internet. Your internal teams can rely on behind-the-firewall apps and devices to support their work. Remote work is increasing rapidly and is putting a strain on many organizations' VPNs and other hardware solutions.

SEON gives you insights into every interaction, order, account, transaction, opportunity. Stop fraud before it happens with unbeatable speed, scale, depth, and breadth. Uniquely combining open data from digital and social media, phone, email, IP, and device lookups in real-time. Giving you accuracy and a true picture of what a real person looks like today. Intelligent risk scoring with AI and machine learning adapt to how different businesses evaluate risk. You get full visibility and complete control of how AI decisions are made, try SEON with low risk and high rewards. SEON provides a comprehensive end-to-end fraud prevention solution, including Anti-Money Laundering (AML). Make it hard for fraudsters to beat. Uncover fraud patterns and discover revenue opportunities.

CrowdHandler's virtual waiting room is trusted by entertainment brands, sports teams and e-tailers around the globe. It protects your application, and ensures fairness during peak load. Keep track of your queues and site performance. Our dashboard will show you all the information you need about your application's state. Create excitement around scarcity. Countdown to your drop and treat your fans fair by randomly assigning positions at the crucial moment. One in one out, rate-limiting access or priority access. Protect your entire domain or one URL. CrowdHandler allows you to integrate at the edge or with our API. It works exactly the way that you need it.

Protect your APIs by analyzing and protecting them with passive, inline, or API-based integration with any network component, such as an API gateway, proxy or CDN. Predefined policies that are fine-tuned based on threat patterns, which have been used to protect billions of API transactions every day, provide unmatched protection. An API-based architecture and rich user interface allow integration with threat intelligence feeds and other security components. Patented ML based analysis eliminates JavaScript integration pen-alties like slow page loads, extended development cycles, and forced mobile-app upgrade. ML-based analysis generates a unique Behavioral Footprint to identify malicious intent and continuously tracks attackers as they retool.

Fraudlogix provides cutting-edge fraud detection and prevention solutions tailored to safeguard digital platforms and maintain traffic quality. Serving industries such as Affiliate Marketing, Ad Tech, E-commerce, Cybersecurity, and Banking, Fraudlogix utilizes real-time behavioral intelligence from over 300 million URLs and apps globally. Its flagship IP Risk API empowers businesses to detect and mitigate bots, proxies, VPNs, high-risk users, and fraudulent activities with real-time accuracy. Fraudlogix protects against invalid traffic (IVT), click fraud, fake registrations, account takeovers, and payment fraud, ensuring secure and trustworthy business operations. Features & Benefits: Free Tier Access: Start with 1,000 IP lookups monthly at no cost. Real-Time Insights: Detect fraud instantly to minimize risks. Flexible Integration: Choose from single API calls or pixel-level tracking. Scalability: Designed for businesses of all sizes, from startups to enterprises. Enterprise-Grade Security: Protect sensitive data with robust, secure solutions. Fraudlogix ensures businesses stay ahead of evolving fraud tactics, providing unparalleled fraud prevention with flexibility and ease of use. Get started today!

Sensfrx offers an advanced fraud detection and prevention solution that helps businesses protect themselves against a wide range of online threats, such as account takeovers, chargebacks, and bot-driven fraud. By utilizing AI-powered analytics and machine learning, it provides real-time protection, blocking malicious activities before they can impact operations. Sensfrx offers an intuitive, customizable platform that allows businesses to set personalized fraud prevention rules based on specific needs, ensuring a tailored approach for each organization. This flexible solution is designed to support various industries, including e-commerce, banking, and healthcare, offering fraud protection across multiple platforms. Its seamless integration with existing systems ensures that businesses can implement fraud prevention measures without disrupting daily operations, improving overall security and customer trust.

MTCaptcha is a privacy-focused and accessible captcha service. It offers an adaptive invisible noCaptcha that ensures easy verification for humans while posing a challenge for bots. MTCaptcha complies with GDPR and WCAG, guaranteeing the protection of your data without any sharing or selling to third parties. The captcha images are colorblind-safe, and the widget is fully VPAT compliant, optimized for screen readers. Supporting multiple languages, MTCaptcha can be fully customized to match any webpage. It also provides audio support, enhancing accessibility for visually impaired users. Trusted by Enterprises, Government, NGOs worldwide, MTCaptcha is available in major languages and functions globally, including in China. Its adaptive Risk Engine effectively detects and responds to threats, maintaining the balance between challenging bots and facilitating human verification.

Human Presence stands out as the leading bot detection and spam prevention solution globally. It effectively halts form spam while maintaining a seamless user experience on both Shopify and WordPress platforms, requiring no coding skills. You can begin utilizing our app or plugin right away! With our Shopify shop protector app and the Human Presence plugin for WordPress, safeguarding your forms is as simple as a few clicks. Say goodbye to the hassle of recaptcha and those frustrating “I’m not a robot” checkboxes. Human Presence operates discreetly, ensuring a smooth experience for your website visitors. We take pride in providing exceptional support for all our applications and plugins, and our approachable support team is readily available to assist you through support requests or online chat. A staggering 40% of all web traffic is generated by bots, and while some serve legitimate purposes like search engine crawling, a significant portion consists of harmful entities. In fact, in 2020, 25% of all web traffic was attributed to malicious spam bots, highlighting the critical need for robust protection. As the digital landscape evolves, having reliable tools to combat these threats becomes increasingly vital for maintaining website integrity.

Moonsense empowers users to identify advanced fraud tactics by offering instant access to actionable insights and detailed source data, thereby improving fraud detection while minimizing inconvenience for users. By leveraging user behavior and network intelligence, it is possible to uncover a user’s distinctive digital fingerprint, akin to an individual's actual fingerprint. In an era marked by frequent data breaches, this unique digital signature proves to be effective in identifying complex fraud patterns without burdening the user experience. Among various types of fraud, identity theft remains prevalent. During the process of account creation, there exists a typical behavioral pattern that can be analyzed. By scrutinizing the user's digital signals, accounts that deviate from established norms can be flagged for further investigation. Moonsense is committed to equalizing the odds in the battle against online fraud, ensuring that organizations can protect their users effectively. A single integration opens the door to comprehensive insights into both user behavior and network dynamics. Ultimately, this innovative approach not only enhances security but also fosters trust between users and service providers.

IPDetective is an API specifically designed for the swift identification of bot and non-human IP addresses, enabling users to determine whether an IP originates from a data center, VPN, or proxy. To begin using the API, you simply need to sign in to obtain your API key for free access. The service monitors more than 1,000 ASNs and identifies over 250 million IP addresses categorized as non-human users hailing from over 100 diverse sources, including data centers, botnets, proxies, and VPNs. Users can take advantage of the free tier, which allows for up to 1,000 requests daily, while commercial options are available for those requiring additional capacity. Prioritizing speed, IPDetective ensures that IP queries are executed promptly without compromising application performance due to bot detection. The API is designed to be user-friendly, facilitating bot detection across any application or programming language seamlessly. Initially developed as an internal tool for various initiatives, IPDetective has now been made publicly accessible, and the team is committed to continuously scraping the web to provide its customers with the most current IP bot detection capabilities available. As the digital landscape evolves, IPDetective strives to enhance its services, ensuring that users are equipped with the latest in anti-bot technology.

We effectively filter out harmful bot traffic in real-time while allowing seamless access for human visitors, search engines, and automation tools used by affiliates. To safeguard your website, consider implementing a web server extension module compatible with Apache or NGINX, a CMS plugin for WordPress, or a plugin for your hosting panel like cPanel, Plesk, or DirectAdmin. This straightforward protection mechanism offers comprehensive defense against hackers and bots, reduces server load, enhances SEO, and provides detailed web analytics. With over one-third of online traffic comprised of bots, it is crucial for every website to have dependable security measures in place. You can quickly use our intuitive scanner to simulate five common "bad bot" requests to your site, with this preliminary test taking less than a minute. BotGuard GateKeeper stands out as the premier protection solution across various cloud services, including AWS, Digital Ocean, and Vultr, making it suitable for hosting providers and large-scale infrastructures. By investing in this robust security solution, you can ensure the integrity and performance of your website while keeping malicious activities at bay.

DDoS-GUARD has been a leader in the DDoS protection and content delivery market since 2011. We offer services using our own network, which includes scrubbing centers with sufficient computing and channel capacity to process large volumes of traffic. This is a departure from most other companies. We don't resell services from other companies and claim them as our own. Cyber threats are increasing in today's digital world. The number of DDoS attacks is also increasing in line with the latest trends. The attacks become more complex, volumetric, and diverse. We are constantly changing traffic scrubbing algorithms, increasing channel capacities, and adding computational resources to traffic processing centres. This allows us to not only protect our customers from all known DDoS attacks but also detect and block any anomalous network activity that was previously unknown.

The BotDetect™ CAPTCHA generator serves as a non-intrusive security solution for forms, utilizing a combination of techniques that are simple for users yet challenging for automated systems, effectively blocking unwanted submissions. Additionally, it offers an audio CAPTCHA option to ensure accessibility for visually impaired users, allowing compliance with WCAG and Section 508 standards. In light of years of Google’s aggressive exploitation of its search monopoly and a corresponding campaign of misinformation regarding CAPTCHAs, the competitive landscape has dwindled to just two significant players. Over its initial decade, BotDetect distinguished itself by providing a diverse array of CAPTCHA image and audio algorithms, all of which were user-friendly while the random selection of these algorithms rendered automated bypass attempts exceedingly difficult. This innovative approach has solidified BotDetect's reputation as a leader in CAPTCHA technology, ensuring both security and accessibility.

CaptchaFox is used by online businesses to protect and safeguard their websites and services from automated bot attacks. CaptchaFox provides protection against account takeovers, credential stuffings, spam, and scalping, while also complying with global privacy legislation, such as GDPR and CCPA. Privacy is protected by minimizing data collection and retention when verifying your users. CaptchaFox uses a variety data signals and dynamic responses challenges to verify the genuineness of visitors, without the use or tracking cookies. The challenges are low friction for humans and difficult for bots. The service is available across multiple languages, and can scale to the incoming traffic via our global infrastructure. Enterprise customers have access to advanced threat insights for complete risk awareness.

Veille is a cutting-edge fraud prevention platform that uses AI-powered detection to shield applications from malicious bots, account takeovers, and automated threats in real time. By leveraging features such as device fingerprinting, behavioral analytics, email reputation scoring, and multi-factor validation, Veille effectively blocks fake signups and suspicious activities without disrupting legitimate users. The platform offers simple integration through an API, enabling quick deployment without the need for complex infrastructure changes. Veille’s smart email verification detects disposable, role-based, and typo-ridden email addresses while validating MX records instantly to ensure email authenticity. Its rules engine allows dynamic, code-free security policy management, while real-time updates keep the system ahead of evolving threats. Veille also provides comprehensive case management and detailed user risk scores to help teams respond effectively. With a proven uptime of 99.95% and over 200 million processed requests, Veille delivers dependable protection for businesses of all sizes. Pricing is flexible and usage-based, making it accessible for startups through to large enterprises.

Safeguard your online presence from scrapers, hackers, and spammers using InfiSecure's cutting-edge bot detection technology, which offers automated protection in real-time. With our tailored API integration kits, you can seamlessly integrate our solution in just 20 minutes. Enjoy 24/7 automated defense against harmful and non-human traffic. InfiSecure is dedicated to securing Web & API against the OWASP Top Automated Threats, including issues like Web Scraping, Content Theft, and Account Takeover. Our Anti-Bot solution enables your IT, Legal, and Marketing teams to effectively oversee and safeguard your domain names, trademarks, products, and overall online brand reputation by facilitating the detection and mitigation of all malicious automated traffic in real-time. You can kickstart active protection within just 15 minutes with our readily available integration kits and plugins. Additionally, we provide personalized support during the integration process, along with customized dashboards that offer real-time statistics about traffic reaching your server, ensuring you remain informed and in control of your digital environment. This comprehensive approach not only fortifies your defenses but also enhances your ability to respond to emerging threats efficiently.