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Category: Security

Server

9 Best Free and Open Source Linux Network Authentication Servers

November 2, 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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Web Browsers

Proxelar – HTTP and HTTPS traffic inspection proxy

October 30, 2026 Steve Emms CLI, Security, TUI

Proxelar is a scriptable HTTP, HTTPS and WebSocket debugging proxy with interception, traffic replay, Lua scripting and a web interface.

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Security

12 Best Free and Open Source Secrets Management Software

October 29, 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

Phase – collaborative application secrets management

October 27, 2026 Steve Emms Security, Web Apps

Phase manages application secrets across teams and environments with encryption, secret history, integrations, and self-hosting.

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Security

Secrets Store CSI Driver – mount external secrets in Kubernetes pods

October 27, 2026 Steve Emms Security

Secrets Store CSI Driver mounts credentials, keys and certificates from external providers in Kubernetes pods with optional rotation.

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Network Analyzers

DiagNG – capture and analyze cellular network traces

October 27, 2026 Steve Emms GUI, Security

DiagNG captures Qualcomm modem diagnostics and converts cellular air-interface traces into GSMTAP and PCAP files for Wireshark analysis.

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Security

Conjur – secrets management and machine identity platform

October 26, 2026 Steve Emms Security

Conjur manages application credentials, authenticates machines, enforces access policies, and protects secrets across infrastructure.

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Security

External Secrets Operator – synchronize external secrets with Kubernetes

October 25, 2026 Steve Emms Security

External Secrets Operator retrieves external credentials, keeps Kubernetes Secrets in sync, and supports templating and refresh policies.

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Bubbles – lightweight Linux working environments

October 19, 2026 Steve Emms GUI, Security

Bubbles creates lightweight, isolated Debian working environments with KVM, Wayland integration, Nix support and transparent networking.

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Security

AegisBPF – eBPF runtime security and policy enforcement agent

October 17, 2026 Steve Emms CLI, Security

AegisBPF enforces Linux file and network policies using eBPF LSM hooks, with audit logging, Prometheus metrics and Kubernetes support.

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Anti-Malware Tools

15 Best Free and Open Source Anti-Malware Tools

October 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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Security

8 Useful Free and Open Source Security Testing Software

October 13, 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

jwt_tool – JSON Web Token security testing toolkit

October 13, 2026 Steve Emms CLI, Security

jwt_tool audits JSON Web Tokens, tests signature weaknesses, fuzzes token claims and checks authentication flaws in web applications.

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Network Security

Argon2 GUI – graphical password hashing and verification

October 12, 2026 Steve Emms GUI, Security

Argon2 GUI generates and verifies password hashes using Argon2id, Argon2i or Argon2d with configurable security parameters.

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Encrypted Files

15 Best Free and Open Source Linux GUI File Encryption Tools

October 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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Anti-Malware Tools

Atomdrift Scan – malware and software supply chain scanner

October 11, 2026 Steve Emms CLI, Security

Atomdrift Scan detects malware in files, packages and archives using static analysis, rules, hashes and machine learning.

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Anti-Malware Tools

Decloaker – reveal objects hidden by malware

October 10, 2026 Steve Emms CLI, Security

Decloaker reveals files, processes, sockets and kernel modules hidden by malware and rootkits.

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Anti-Malware Tools

Paranoya – IOC and YARA malware scanner

October 10, 2026 Steve Emms Security

Paranoya is an IOC and YARA scanner that checks files and directories for suspicious and malicious content.

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Content Control Software

Parental Controls – local parental controls for supervised accounts

October 4, 2026 Steve Emms GUI, Security

BigLinux Parental Controls is a GTK4 suite for supervised accounts, app restrictions, web filtering and screen-time limits.

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Encryption

11 Best Free and Open Source Linux Disk Encryption Tools

October 4, 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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