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Top 23 Shell Security Projects
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setup-ipsec-vpn
Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Supports Ubuntu, Debian, CentOS/RHEL, Amazon Linux, Alpine and Raspberry Pi. Includes client config and management scripts.
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lynis
Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
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awesome-hacker-search-engines
A curated list of awesome search engines useful during Penetration testing, Vulnerability assessments, Red/Blue Team operations, Bug Bounty and more
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Sn1per
Automated penetration testing & attack surface management platform. Recon, scan, exploit, report — 600+ exploits, 90+ integrations, 10K+ detections.
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my-arsenal-of-aws-security-tools
List of open source tools for AWS security: defensive, offensive, auditing, DFIR, etc.
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Project mention: Show HN: Knock-Knock.net – Visualizing the bots knocking on my server's door | news.ycombinator.com | 2026-02-15
T-Pot does something similar: https://github.com/telekom-security/tpotce
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reconftw
reconFTW is a tool designed to perform automated recon on a target domain by running the best set of tools to perform scanning and finding out vulnerabilities
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docker-ipsec-vpn-server
Docker image to run an IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2. Auto-generates server config and supports VPN client setup on Linux, Windows, macOS, iOS and Android.
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Project mention: Announcing udwall: A New Tool for Making UFW and Docker Play Nice With Each Other | dev.to | 2025-11-23
Complex Uninstall: Historically, removing the tool was risky. It required manually stripping iptables rules, and doing it wrong could lock you out of your server. > Note: ufw-docker recently added an uninstall command.
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wireguard-docs
📖 Unofficial WireGuard Documentation: Setup, Usage, Configuration, and full example setups for VPNs supporting both servers & roaming clients.
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securityonion
Security Onion is a free and open platform for threat hunting, enterprise security monitoring, and log management. It includes our own interfaces for alerting, dashboards, hunting, PCAP, detections, and case management. It also includes other tools such as osquery, CyberChef, Elasticsearch, Logstash, Kibana, Suricata, and Zeek.
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Android-PIN-Bruteforce
Unlock an Android phone (or device) by bruteforcing the lockscreen PIN. Turn your Kali Nethunter phone into a bruteforce PIN cracker for Android devices! (no root, no adb)
Project mention: Cops say criminals use a Google Pixel with GrapheneOS – I say that's freedom | news.ycombinator.com | 2025-07-28https://github.com/urbanadventurer/Android-PIN-Bruteforce
Fairphones don't switch USB ports automatically into "charging only" like GrapheneOS does.
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There is OpenScap based ComplianceAsCode. See https://github.com/ComplianceAsCode/content
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I am a Burp guy, but lately Caido[1] has been trending, pretty lightweight and can be ran in headless mode. It's still very security-oriented (as Burp Suite is), but might be worth your time, notably as you can run it on a VPS/container to proxy all your traffic through it (which is by-design, contrary to my beloved burp/zap)
[1] https://caido.io/
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vps-audit
lightweight, dependency-free bash script for security, performance auditing and infrastructure monitoring of Linux servers.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
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Index
What are some of the best open-source Security projects in Shell? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ProxmoxVE | 28,487 |
| 2 | setup-ipsec-vpn | 28,000 |
| 3 | lynis | 15,762 |
| 4 | nginx-admins-handbook | 14,148 |
| 5 | oss-fuzz | 12,338 |
| 6 | awesome-hacker-search-engines | 10,730 |
| 7 | Sn1per | 10,154 |
| 8 | my-arsenal-of-aws-security-tools | 9,456 |
| 9 | tpotce | 9,274 |
| 10 | airgeddon | 7,785 |
| 11 | reconftw | 7,691 |
| 12 | docker-ipsec-vpn-server | 7,079 |
| 13 | ufw-docker | 6,612 |
| 14 | wireguard-docs | 5,029 |
| 15 | securityonion | 4,653 |
| 16 | Android-PIN-Bruteforce | 4,595 |
| 17 | EMBA | 3,494 |
| 18 | blackarch | 3,396 |
| 19 | block | 2,802 |
| 20 | content | 2,733 |
| 21 | caido | 2,359 |
| 22 | autoVPN | 2,015 |
| 23 | vps-audit | 1,965 |
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