Open Bug Bounty Alternatives (September 2025)

Europe’s leading bug bounty platform and penetration testing services provider.

Bugcrowd teams with elite security researchers to reduce risk & improve security ROI through our bug bounty, pen testing, & vulnerability disclosure programs.

Hackrate makes cybersecurity testing transparent by providing a crowdsourced approach for continuous security testing and the industry's first solution for controlling and monitoring ethical hacker projects.

Online automated vulnerability scans for continuous monitoring of websites, servers, and applications. Test our free forever version.

DefectDojo is an open-source application vulnerability management correlation and security orchestration tool. Scale security by creating an AppSecPipeline with DefectDojo.

Protect your business from hackers with our pentesting and cyber security services. Try our platform for free.

Get pentest done on your web application by a team of certified pentesters. Uncover vulnerabilities. Get thorough assistance in remediation.

Probely is a web application and API vulnerability scanner for agile teams. Automate Security Testing by adding Probely into your SDLC and CI/CD pipelines.

Astra Security is a one of a kind continuous Pentest Platform that makes chaotic pentests a breeze & continuous with its hacker-style vulnerability scanner.

Detect vulnerabilities for free with the fastest vulnerability mitigation for WordPress. Protect sites with vPatching. Start for free!

VulnSign is a DAST vulnerability scanner helping you automate your security scanning.

In minutes, implement automated security for developers that enables them to quickly and independently resolve vulnerabilities before production.

PortSwigger offers tools for web application security, testing, & scanning. Choose from a range of security tools, & identify the very latest vulnerabilities.

With Rapid7's vulnerability management tool you will be able to understand and prioritize risk with clarity. Learn more about InsightVM and start a free trial today.

Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now.

Secure your attack surface with automated vulnerability scanning, continuous network monitoring, and proactive threat response in one platform. Try for free.

Beagle Security helps identify vulnerabilities in your web apps, APIs & GraphQL and remediate them with actionable insights before hackers harm you in any manner.

Providing up to the minute vulnerability coverage for your entire estate. Thoroughly scan and test your Web Apps, Infrastructure, Single Page Apps (SPAs) and APIs including Swagger (Open API), GraphQL and SOAP endpoints for security flaws, with our powerful browser based crawler.

Bharat Security (BharatSec) provides top-notch cyber security services including vulnerability assessments, penetration testing, consulting, bug hunting, network security, and training programs.

Secure Blink ThreatSpy: AI-powered platform for web app & API security. Detect, prioritize, & remediate vulnerabilities with developer-first approach. Build secure applications with our developer-first approach.

Discover Qualys VMDR, the powerful, cloud-based, vulnerability management software redefining cyber risk management. Try it today!

Pentest-Tools.com is a cloud-based toolkit for offensive security testing, focused on web applications and network penetration testing.

Strobes Pentesting as a Service (PTaaS) offers a personalized, cost-effective, and offense-driven approach to safeguarding your digital assets

Stop open source vulnerabilities, automate compliance, and mitigate third-party risk in your applications.

Mend.io gives you all the tools you need to build a mature, proactive AppSec program that effectively manages application risk.

Discover vulnerabilities and security issues with Aikido's all-in-one AppSec platform. Start free and get your web app secured in 2 minutes.

Protect your business from hackers with our pentesting and cyber security services. Try our platform for free.

DevSecOps tool to continuously monitors, reports, and remediates vulnerabilities with non-intrusive software supply-chain surveillance.

Phoenix Security Cloud Platform (former Phoenix Security) removes the friction between executives, security and developers using SMART Risk-Based exposure and vulnerability management for software, infrastructure and cloud vulnerabilities. Run your DevSecOps vulnerability management and AppSec program using the Phoenix Cybersecurity framework methodology. Risk-based and metric-based vulnerability management.

Bright Security’s enterprise-grade, dev-centric DAST platform empowers organizations to identify & remediate vulnerabilities early & iteratively in the SDLC

SOOS Application Security Platform. Find & Fix vulnerabilities with SCA, DAST, Containers, SAST & manage SBOMs across your SDLC Lifecycle.

Open source vulnerability management made simple. Debricked helps you stay on top of security while maintaining your development speed.

Cyver Core is a Pentest collaboration platform delivering pentest reporting, pentest management, and pentest-as-a-service.

Use Detectify to get complete coverage of your growing attack surface with Surface Monitoring and Application Scanning.

Increase your open source security posture with automated best practices - with a unified workflow for security and developer teams.

vPenTest is an automated network penetration testing platform that makes pentesting scalable, accurate, faster, consistent, and not prone to human error.

Enter the website URL to Know your Security Score!

Experience unparalleled penetration testing with our elite team, dedicated to uncovering vulnerabilities and safeguarding your business assets.

Centraleyezer - Vulnerability Management Platform, Report, Prioritize, and follow-up on Vulnerabilities

Get accurate, automated application security testing that scales like no other solution. Secure 1000s of web assets with less manual effort. Reduce your risk with the only…

Explore NetSPI's Penetration Testing as a Service (PTaaS) offering. Enhance your organization's security with expert assessments and actionable insights.

TryHackMe is a free online platform for learning cyber security, using hands-on exercises and labs, all through your browser!

Discover the risks across your attack surface with Halo Security's complete attack surface management platform.

Attack Surface Management & Dark Web Monitoring made simple. Enter your company name to see what attackers know about you.

Discover Indusface WAS, our AI-powered DAST scanner ensuring ZERO false positives, scans OWASP top 10 & zero-day threats and integrates with DevSecOps CI/CD.

A 100% hands-on SECURE CODING TRAINING to help development teams prevent security bugs and ship quality code fast.

Transform your approach to API and AppSec with a single platform approach to detect and remediate vulnerabilities, while protecting vulnerable APIs and web apps.

Fortra Vulnerabilty Management (formerly Frontline VM™) lets companies leverage a full suite of vulnerability assessment applications with our SaaS platform. ✔Get a quote today!

Easily manage assets and their vulnerabilities across your security tools, programs and attack surface with the Brinqa platform.

Continuously expose and mitigate your most relevant known and unknown risks with threat intelligence, tailored to your attack surface.

Rapidly reduce the risk of breach across your web apps. Veracode's Dynamic Analysis (DAST) scans web applications simultaneously to reduce risk at scale.

Security Innovation provides assessment and consulting services to companies around the world to reduce risk from software vulnerabilities. Learn more.

Empower Your Security Strategy with Appsecure, Your Partner in Offensive Security Services. Trusted globally by Top Brands.

Security Journey trains developers to write secure code by having them exploit and fix vulnerabilities in a web-based sandbox.

Challenge, assess, and optimize your enterprise's cybersecurity posture with the number one Exposure Management & Security Validation platform.

Secure Coding Training for Developers, DevOps, Cloud and QA Engineers. Write secure software from the very first keystroke.

Flashpoint is a data and intelligence company that empowers our customers to take rapid, decisive action to stop threats and reduce risk

Award-winning agent-less Full-stack Vulnerability and Patch Management Platform which Identify, prioritize, and remediates security vulnerabilities in seconds.

Secure Code Warrior helps developers write more secure code. We are focused on bringing an innovative approach to developer security learning. Contact us today.

Rapidly reduce the risk of breach across your web apps. Veracode's Dynamic Analysis (DAST) scans web applications simultaneously to reduce risk at scale.

Build cyber workforce resilience with our unmatched skills development and hands-on learning platform and library.

Third-party risk and attack surface management software. UpGuard is the best platform for securing your organization’s sensitive data. Our security ratings engine monitors millions of companies and billions of data points every day.

Rapid7's web application security testing tool offers cloud-native application security analysis. Automatically crawl and assess web applications to identify vulnerabilities like SQL Injection, XSS, and CSRF.

Learn how our experts can make your security program relevant, actionable, and sustainable with a combination of cybersecurity services.

Darwin Attack® is a real-time pentest platform that helps you manage your security program. You can see testing updates as they are posted to the portal, and can communicate directly with your Evolve Security engagement team.

Microsoft Defender Vulnerability Management delivers asset visibility, risk-based prioritization, and remediation tools to help your teams address critical vulnerabilities.

Discover Qualys Web Application Scanning, our cloud solution for continuous web app discovery and detection of vulnerabilities. Try it today!

DerScanner offers a comprehensive analysis of application security at all DevOps stages. Combining SAST, DAST, Software Composition Analysis, and Supply Chain Security, DerScanner helps secure your applications effectively.

Kloudle is cloud security scanner built for devs. Effortlessly Scan DO, AWS, GCP, K8S within minutes for security misconfigs.

GitHub is where over 100 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.

Continuously minimize cloud attack surface based on runtime insights, while actively adapting runtime security with real risk context.

GitHub is where over 100 million developers shape the future of software, together. Contribute to the open source community, manage your Git repositories, review code like a pro, track bugs and features, power your CI/CD and DevOps workflows, and secure code before you commit it.

An online hacking training platform and playground that allows individuals and organizations to level up their cybersecurity skills in action. Meet our team, read our story.

Deploy secure applications with StackHawk. Find and fix application security bugs in the build pipeline. Built for developers to own their AppSec

Fortify On Demand delivers application security as a service, providing customers with security testing, vulnerability management, and tailored expertise

Access comprehensive Censys data and search tools to enhance your cybersecurity strategy and understand your digital landscape.

Discover, Understand, Mitigate and Manage your Cyber Risk with CYRISMA - a Comprehensive SaaS Platform for Cost-Effective Cyber Risk Management

Patch management, real-time vulnerability discovery, and automated remediation for third-party software and OS.

Identify, manage, and remediate vulnerabilities and misconfigurations on-prem, in your cloud or containerized infrastructure in a unified view

Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads.

Welcome to ZAP!

MergeBase’s Software Composition Analysis Platform protects apps from attacks on known vulnerabilities with the lowest false positive rate.

RealCISO is a cost-effective program management software and vCISO platform built for consultants, vCISOs, MSPs, MSSPs, and internal cybersecurity teams.

BugSnag is an error monitoring and reporting software with best-in-class functionality for mobile apps. Our tool alerts users of bugs, errors & more. Free trial!

Anyone with a phone can expose injustice. OpenArchive helps history's first responders safely store, verify, and share critical evidence.

Trust Appknox, mobile app security testing tool, for app protection. Our comprehensive mobile application security assessment fortifies apps from threats.

The software solution designed to drive software development Bugzilla lets you plan, organize and release software on your own teams' schedule...

Understand how Fortify Static Code Analyzer finds security issues at the speed of DevOps using static application security testing (SAST). Learn more here.

GlobaLeaks - Free and Open-Source Whistleblowing Software

CanIPhish provide an industry-leading platform to conduct simulated phishing and train your employees. Sign-up for free and try it for yourself!

Home of Kali Linux, an Advanced Penetration Testing Linux distribution used for Penetration Testing, Ethical Hacking and network security assessments.

IBM X-Force provides deep security research expertise and global threat intelligence for enhanced security solutions.

Gain full attack surface visibility, assess and prioritize exposures, and automate responses to outpace adversaries with CrowdStrike Falcon® Exposure Management.

Open source project management software for classic, agile or hybrid project management: task management✓ Gantt charts✓ boards✓ team collaboration✓ time and cost reporting✓ FREE trial!

Defendify: the All-In-One Cybersecurity® Platform with 13 essential tools, including managed detection, response, and phishing simulations.

Our penetration testing simulates a real-world attack on your digital assets to determine the strength of your security & defenses.

Level up your code security with GitGuardian: Scan your Git Repos in Real-Time for Secrets ✔️ Free Trial ✔️ Used by 200k+ developers ✔️ Enterprise Software

IBM Guardium Vulnerability Assessment scans your data environment to detect vulnerabilities and suggest remedial actions.

Identify network threats and vulnerabilities before they become serious breaches with Penetration Testing services available from Verizon.