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Application security tools and solutions for securing web applications, mobile apps, and software throughout the development lifecycle.
Browse 804 application security tools
A Fastify plugin that implements HTTP security headers through a wrapper around the helmet library to protect web applications from common vulnerabilities.
A Fastify plugin that provides utilities and middleware to protect web applications against Cross-Site Request Forgery (CSRF) attacks.
An unofficial Python API that enables programmatic searching, browsing, and downloading of Android apps from Google Play Store.
A command-line tool for downloading Android APK files from the Appland platform via npm installation.
Docker file for building Androguard dependencies with an optional interactive shell environment.
ELFcrypt encrypts ELF binaries with obfuscation and anti-debugging features to protect against reverse engineering.
AppMon is a Frida-based automated framework for monitoring and tampering with system API calls across macOS, iOS, and Android applications.
idb is a tool that simplifies iOS penetration testing and security research tasks, available in both command line and GUI versions.
SecretScanner is a standalone tool that scans container images and filesystems to detect approximately 140 types of unprotected secrets and sensitive credentials.
DOMPurify is a fast XSS sanitizer for HTML, MathML, and SVG.
A vulnerable web site in NodeJS for testing security source code analyzers.
OWASP WrongSecrets is an educational game that teaches proper secrets management by demonstrating common mistakes through interactive challenges across various deployment platforms.
TerraGoat is a deliberately vulnerable Terraform repository that demonstrates common cloud infrastructure misconfigurations for training and testing security tools.
Checkov is a static analysis tool that scans infrastructure as code and performs software composition analysis to detect security misconfigurations and vulnerabilities in cloud infrastructure and dependencies.
OpenRASP is a runtime application self-protection solution that integrates into application servers to monitor and block threats in real-time using context-aware instrumentation.
Python wrapper for Android APK decompilation with various converter and decompiler options.
A security checklist based on OWASP standards that provides comprehensive guidelines for designing, testing, and releasing secure Android applications.
An open-source framework that detects and prevents dependency confusion attacks across multiple package management systems and development environments.
A web-based Android application dynamic analysis tool that provides real-time Frida instrumentation capabilities through a Flask interface with modular JavaScript hooking support.
A full python tool for analyzing Android files with various functionalities.
w3af is an open source web application security scanner that identifies over 200 types of vulnerabilities including XSS, SQL injection, and OS commanding in web applications.
A tool for extracting static and dynamic features from Android APKs.
804 tools across 14 specializations · 251 free, 553 commercial
Static Application Security Testing
Static Application Security Testing (SAST) tools that analyze source code for vulnerabilities using taint and dataflow analysis during development.
Secrets Detection
Tools that find and scan for leaked secrets, credentials, API keys, and tokens hardcoded in source code, repositories, and CI/CD pipelines.
Software Composition Analysis
Software Composition Analysis (SCA) tools for identifying vulnerabilities and license risks in open source dependencies and third-party libraries, with SBOM generation.
Common questions about Application Security tools, selection guides, pricing, and comparisons.
SAST (Static Application Security Testing) analyzes source code without running the application, catching vulnerabilities early in development. DAST (Dynamic Application Security Testing) tests running applications by sending requests and analyzing responses, finding runtime vulnerabilities. IAST (Interactive Application Security Testing) combines both by instrumenting the application during testing, providing real-time analysis with lower false positive rates than SAST or DAST alone.
A mature AppSec program typically includes: SAST for code-level vulnerability detection, SCA for open-source dependency risks, DAST for runtime testing, API security for protecting endpoints, secure code training for developers, and ASPM to unify visibility across all these tools. Start with SCA and SAST as they catch the most common vulnerabilities earliest in the development lifecycle.
Shift-left security means integrating security testing earlier in the software development lifecycle, ideally at the coding and CI/CD stages rather than waiting for production deployment. This approach uses tools like SAST, SCA, and IDE security plugins to catch vulnerabilities before they reach production, reducing remediation cost by up to 100x compared to finding issues in production.
SCA focuses specifically on identifying vulnerabilities in third-party libraries, open-source components, and software dependencies your application uses. SAST analyzes your own source code for security flaws. Since modern applications are 70-90% open-source code, SCA is essential for catching vulnerabilities in components you did not write but are responsible for securing.