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Category: Security

Server

5 Best Free and Open Source Linux Network Authentication Tools

June 6, 2026 Steve Emms Internet, Roundup, Security, System Software

Remote Authentication Dial In User Service (RADIUS) is a networking protocol that offers centralized connection authentication, authorization, and accounting management for various types of network access.

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Security

8 Useful Free and Open Source Security Testing Software

June 3, 2026 Steve Emms Roundup, Security

Here’s some useful software for performing security testing. Only free and open source software is eligible for inclusion here.

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Security

8 Best Free and Open Source Secrets Management Software

June 3, 2026 Steve Emms Roundup, Security

Secrets management tools let you securely store, manage, and monitor sensitive information like passwords, API keys, and certificates.

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Security

Sealed Secrets – one-way encrypted secrets

June 2, 2026 Steve Emms CLI, Security

Sealed Secrets is a Kubernetes security tool that lets you encrypt Secret manifests into SealedSecret resources.

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Security

Commix – Python-based penetration testing tool

May 31, 2026 Steve Emms Security

Commix is a penetration testing tool that automates the detection and exploitation of OS command injection vulnerabilities.

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Security

Dalfox – command-line security tool

May 31, 2026 Steve Emms CLI, Security

Dalfox is a command-line security tool for identifying cross-site scripting vulnerabilities in web applications.

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Security

Wfuzz – web application fuzzer and Python library for security assessments

May 29, 2026 Steve Emms Security, Web Apps

Wfuzz is a web application fuzzer and Python library for security assessments.

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Anti-Malware Tools

15 Best Free and Open Source Anti-Malware Tools

May 16, 2026 Steve Emms Roundup, Security

Security is paramount. Security involves defence in depth. Approaching security one step at a time, with consistency and rigour, you can mitigate threats, and keep intruders at bay.

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Encrypted Files

12 Best Free and Open Source Linux GUI File Encryption Tools

May 12, 2026 Steve Emms Roundup, Security

This roundup looks at the finest GUI-based file encryption tools. Only free and open source software is included.

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Encrypted Files

Picocrypt NG – lightweight file encryption tool

May 11, 2026 Steve Emms GUI, Security

Picocrypt NG is a lightweight file encryption tool designed to protect files with a simple, approachable workflow.

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Encrypted Files

SirKali – Qt/C++ GUI front end

May 10, 2026 Steve Emms GUI, Security

SiriKali is a Qt and C++ graphical application for working with encrypted folders and remote file systems.

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Network Security

ThreatDeck – monitor threat intelligence feeds

May 8, 2026 Steve Emms Security, TUI

ThreatDeck is a Rust-based terminal application for monitoring threat intelligence feeds and generating alerts from matched content.

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Encryption

10 Best Free and Open Source Linux Disk Encryption Tools

April 28, 2026 Steve Emms Internet, Roundup, Security, System Software

Keep your data safe. There are many different useful tools that offer disk encryption. We recommend the best free and open source solutions.

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Encryption

fscrypt – Go tool for managing Linux filesystem encryption

April 27, 2026 Steve Emms CLI, Security

fscrypt is a high-level command-line utility for managing Linux native filesystem encryption on supported filesystems.

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Security

12 Useful Free and Open Source Binary Analysis Tools

April 25, 2026 Steve Emms Roundup, Security

To provide an insight into the software that is available, we have compiled a list of 12 useful tools for performing binary analysis.

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Vulnerability Detection

LIEF – work with executable and binary formats

April 25, 2026 Steve Emms Security

LIEF is a cross-platform library for working with executable and binary formats.

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DevOps

RetDec – retargetable machine-code decompiler

April 25, 2026 Steve Emms Security

RetDec is a retargetable machine-code decompiler based on LLVM.

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Encrypted Files

19 Best Free and Open Source Linux CLI File Encryption Tools

April 25, 2026 Steve Emms CLI, Roundup, Security

This roundup explores the finest CLI-based file encryption tools.

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Documentation

Rizin – UNIX-like reverse engineering framework

April 25, 2026 Steve Emms CLI, Security

Rizin is a UNIX-like reverse engineering framework and command-line toolset for examining binaries, disassembling code, debugging programs.

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Security

Cutter – graphical reverse engineering platform

April 25, 2026 Steve Emms GUI, Security

Cutter is a graphical reverse engineering platform designed for analysing compiled binaries without needing a command line.

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