PenPeeper

PenPeeper is an open-source engagement manager for security professionals running penetration tests and preparing client deliverables. It suits practitioners who want scans, evidence, findings, and reporting kept in one on-premises workflow. Choose it for broad engagement coordination and flexible AI connections, but treat its automated vulnerability results as leads for manual validation.

Overview

PenPeeper divides an engagement into Gather, Search, Findings, and Report stages. You can manage multiple clients and projects, tag devices, filter assets, and bring in scans, screenshots, and notes. That structure is useful for consultants and internal teams that need to turn varied evidence into consistent findings instead of juggling separate scanner outputs and report files.

The application covers web and network testing, finding management, and evidence capture. It is deployed on-premises, which fits organizations that want project data kept within their own environment. Windows users need Windows Subsystem for Linux; the quick-start guidance notes testing with Kali Linux and Ubuntu, so Windows deployment is less direct than its platform label alone suggests.

Key features

Scanning and vulnerability context

Built-in automation connects Nmap, Nikto, SearchSploit, WhatWeb, Enum4Linux, FFUF, and SNMP. Concurrent-scan controls let operators trade turnaround time against network impact, an important option during sensitive client work. PenPeeper pulls CVE descriptions and severity scores from the National Vulnerability Database, adding recognizable context to findings.

The boundary is significant: vulnerability testing is passive and flags potential issues for review. PenPeeper can help prioritize investigation, but it does not establish that an issue is exploitable or confirmed. Teams expecting active validation need complementary tools and manual work.

AI assistance

Local and cloud providers are supported, including LM Studio, Ollama, OpenRouter, Claude, Gemini, ChatGPT, and custom providers. AI functions cover vulnerability hunting, evidence examination, remediation recommendations, and executive-summary generation. Local-provider support can suit teams that want to keep analysis within their environment, while cloud connections offer provider choice; either way, reviewers should verify generated conclusions before they enter a client report.

Reporting and sharing

Guided templates generate PDF reports with customizable summary graphics, helping turn project data into client-ready output. Entire projects can be exported as encrypted files for backup or sharing. That is practical for handoffs between assessors, although the product does not make security certification or compliance claims.

Pricing

PenPeeper has one Free plan at no cost. It is open source and free for personal or professional work, with no trial period because the product is already free to use. The license has an important commercial restriction: selling the software or hosting it as a paid SaaS requires explicit permission or is prohibited by its stated terms. That makes the plan a strong fit for consultants and security teams using their own deployment, not for vendors planning to resell PenPeeper as a hosted service.

Platforms

PenPeeper supports Linux, macOS, and Windows and is delivered as an on-premises application. Windows operation requires Windows Subsystem for Linux, with Kali Linux and Ubuntu identified in the quick-start guidance. It supports web and network testing alongside finding management and evidence capture.

Who it's for

PenPeeper is aimed at security professionals coordinating multiple penetration-testing engagements and producing reports for clients. It is a particularly good match for independent testers and teams that value encrypted project exchange, configurable scan concurrency, and a choice of local or cloud AI providers. It is less suitable as a stand-alone vulnerability scanner, for organizations requiring active automated confirmation, or for businesses whose model depends on paid SaaS hosting without obtaining permission under the license.

Pros and cons

Pros

• End-to-end engagement workflow: Gather, Search, Findings, and Report keep collection, analysis, and deliverables in one project structure.
• Wide scanner coverage: Integrations span network discovery, web checks, enumeration, fuzzing, and SNMP.
• Flexible AI deployment: Local, cloud, and custom LLM providers support different privacy and workflow requirements.
• Useful report and exchange tools: PDF templates, customizable graphics, and encrypted project exports support client delivery and handoff.

Cons

• Passive vulnerability testing: Potential issues still require manual review and validation.
• Windows setup overhead: Windows Subsystem for Linux is required.
• License limits resale: Paid SaaS hosting or selling the software needs permission or is disallowed by the stated terms.

Alternatives

Caido is a better fit when you want a freemium security platform with a free tier limited to two projects, seven workflows, three plugins, five filter presets, and one pipeline session at a time.

Dradis suits teams seeking a freemium reporting-focused option with a free Community Edition, one project at a time, and community-forum support, plus a free trial for its broader offering.

Pentesterra is worth choosing when a free plan with one project, three scans per month, CLI, IDE plugin, and web console matches your workload.

Kali Linux is the choice for a free open-source distribution rather than an engagement-management workspace.

OWASP Amass is an alternative when you need a focused open-source reconnaissance framework under the Apache License 2.0.

RedAmon provides a free MIT-licensed, Docker-based self-hosted option for commercial or personal use.

w3af is preferable for a dedicated open-source web application security scanner.

Aircrack-ng is the simpler choice for a no-license-fee wireless security software suite.

Verdict

PenPeeper is a strong choice for security professionals who need an on-premises hub for engagements, evidence, scanner integrations, AI-assisted analysis, and client-ready PDFs at no software cost. Look elsewhere if you need active vulnerability verification, a simpler Windows installation, or unrestricted rights to resell the platform as a paid SaaS.