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OWASP ZAP vs PenPeeper

OWASP ZAP

zaproxy.org

PenPeeper

penpeeper.com

Side by side

FigureOWASP ZAPPenPeeper
Price fromFreeFree
Free planYesYes
Free trial——
Open sourceYes—
WindowsYesYes
macOSYesYes
LinuxYesYes
APIYes—
Self-hostedYes—
Plans published21
Spec score · Penetration Testing Software8.6 (#5)8.3 (#8)
AudienceZAP says it is designed for developers, testers new to security testing, and security testing specialists.The maker describes PenPeeper as built for security professionals and intended to organize pentesting engagements and client-ready reports.
PurposeZAP is a web application scanner and proxy for security testing.PenPeeper is an open source pentesting engagement management system built for security professionals.
ReportingOfficial report formats include HTML, JSON, XML, Markdown, PDF and SARIF variants.It generates PDF reports with a rich text editor, customizable vulnerability classifications, and multiple summary graphic styles.

Plans

OWASP ZAP

  • Free / open sourceFree
  • ZAPFree

OWASP ZAP pricing →

PenPeeper

  • FreeFree

PenPeeper pricing →

In their own words

OWASP ZAP

OWASP ZAP is a web application scanner and proxy for security testing. Its tools include active and passive scanning, a spider, alerts, and scan policies. ZAP’s Automation Framework uses YAML plans to coordinate jobs such as scanning, spidering, API imports, and report generation. It can import OpenAPI, GraphQL, SOAP, and Postman definitions through jobs or add-ons. GitHub Actions are available for baseline, full, and API scans via Docker-packaged scans, and the project publishes Docker images, including a minimal image for CI. Add-ons come from an online Marketplace and are generally installed or removed without restarting ZAP. The software is free and open source, with a free plan at free. It supports Linux, macOS, Windows, API use, and self-hosted deployment. Windows and Linux installers require Java 17 or later; the macOS installer includes Java 17. ZAP says it can support only its latest full release, and current releases are unsigned, though checksums are provided.

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PenPeeper

PenPeeper is an open-source penetration-testing engagement manager for security professionals. It organizes projects through Gather, Search, Findings, and Report stages, supporting multiple engagements and clients, device tags, asset filters, and targeted reports. Users can import scans, screenshots, and notes, then export complete projects as encrypted files for sharing or backup. Built-in automation integrates Nmap, Nikto, SearchSploit, WhatWeb, Enum4Linux, FFUF, and SNMP, with configurable scan concurrency. PenPeeper retrieves CVE details, severity scores, and descriptions from the National Vulnerability Database. AI features cover vulnerability hunting, evidence examination, remediation recommendations, and executive-summary generation through local or cloud providers including LM Studio, Ollama, OpenRouter, Claude, Gemini, ChatGPT, and custom providers. Guided templates and customizable summary graphics support PDF reports. The software is free for personal or professional use under its stated license terms, but selling it or hosting it as paid SaaS requires permission or is prohibited. It runs on Linux, macOS, and Windows; Windows requires Windows Subsystem for Linux. Vulnerability testing is passive and flags potential issues for manual review.

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