Best Runtime Application Self-Protection (RASP) Software for JavaScript
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Compare the Top Runtime Application Self-Protection (RASP) Software that integrates with JavaScript as of October 2026
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This a list of Runtime Application Self-Protection (RASP) software that integrates with JavaScript. Use the filters on the left to add additional filters for products that have integrations with JavaScript. View the products that work with JavaScript in the table below.
What is Runtime Application Self-Protection (RASP) Software for JavaScript?
Runtime Application Self-Protection (RASP) software is a security solution designed to protect applications in real time while they are running, providing active defense against attacks by detecting and mitigating vulnerabilities as they occur. Unlike traditional security tools, which primarily focus on perimeter defense or static scanning, RASP operates within the application itself and monitors its behavior during runtime. It can automatically block malicious activity, such as SQL injection, cross-site scripting (XSS), and unauthorized access, by analyzing both application traffic and the application's internal behavior. RASP is particularly valuable for protecting web applications, mobile apps, and APIs from advanced threats, ensuring the security of applications even if they are deployed in dynamic or cloud environments. Compare and read user reviews of the best Runtime Application Self-Protection (RASP) software for JavaScript currently available using the table below. This list is updated regularly.
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1
Jscrambler
Jscrambler
Modern applications execute in environments attackers can inspect, manipulate, and automate. AI has accelerated that risk, giving attackers and free AI-powered tools the ability to analyze, reverse-engineer, and weaponize exposed application logic at scale. Jscrambler makes client-side applications self-defending by combining resilient code protection with active runtime defenses. Proprietary business logic, authentication flows, algorithms, and AI-generated code are hardened against AI-assisted analysis, while runtime protections detect and respond to tampering, debugging, code poisoning, and unauthorized manipulation. Each build is uniquely protected, raising the cost of automated reverse engineering and preventing exposed code from becoming an attacker’s roadmap. Extend application protection into the code itself—so applications can resist and respond to attacks where they execute. -
2
Contrast Security
Contrast Security
Modern software development must match the speed of the business. But the modern AppSec tool soup lacks integration and creates complexity that slows software development life cycles. Contrast simplifies the complexity that impedes today’s development teams. Legacy AppSec employs a one-size-fits-all vulnerability detection and remediation approach that is inefficient and costly. Contrast automatically applies the best analysis and remediation technique, dramatically improving efficiencies and efficacy. Separate AppSec tools create silos that obfuscate the gathering of actionable intelligence across the application attack surface. Contrast delivers centralized observability that is critical to managing risks and capitalizing on operational efficiencies, both for security and development teams. Contrast Scan is pipeline native and delivers the speed, accuracy, and integration demanded by modern software development.Starting Price: $0 -
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Raven
Raven
Raven is a runtime application security platform designed to protect cloud-native applications by operating directly inside the application during execution, rather than relying on external defenses. It provides real-time visibility into how code actually runs, allowing it to understand execution flows, libraries, and function-level behavior in order to detect and stop malicious activity before it occurs. Unlike traditional tools such as WAF or EDR that monitor from the outside, Raven embeds itself within the application, enabling it to prevent exploits, supply chain attacks, and zero-day threats even when no known vulnerability or CVE exists. It continuously monitors runtime behavior, identifies abnormal patterns or misuse of legitimate logic, and responds immediately to block harmful execution. It also helps teams prioritize security efforts by filtering out the majority of irrelevant vulnerabilities and focusing only on those that are truly exploitable. -
4
JSDefender
PreEmptive
Cutting-edge JavaScript obfuscation techniques with control-flow flattening, tamper detection and other in-app protection transforms. We would not send our own unprotected code to a remote service controlled by third parties and we would not expect you to either. JSDefender supports major JavaScript frameworks, runtimes, and bundlers including Angular, Node, React, React Native, Webpack and others. Unlike languages like .NET and Java that are compiled to intermediate, stack-based assembly instructions before being distributed in binary form, JavaScript apps are typically distributed in source form. This means that your code is directly visible to anyone with access to the execution environment (like a browser). So, potential attackers can very easily step through the running code using a debugger built into their browser, or use other tools to statically analyze the code for vulnerabilities.
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