Skip to content
LinuxLinks

LinuxLinks

Best Free Linux Software & Open Source Reviews

  • Home
  • Software
  • Hardware
  • Reviews
  • Series
  • Search

Category: Security

SentryPeer – SIP honeypot and VoIP fraud detection tool

September 11, 2026 Steve Emms CLI, Security

SentryPeer is a SIP honeypot and fraud-detection tool that records hostile VoIP activity and can share collected data through peer-to-peer networking.

Read more
Security

4 Best Free and Open Source Secret Scanning Tools

September 10, 2026 Steve Emms Roundup, Security

These tools typically search files and Git repositories for patterns that resemble known types of secrets.

Read more

Heralding – credentials-catching network honeypot

September 10, 2026 Steve Emms CLI, Security

Heralding is a credentials-catching honeypot that emulates common authentication services and records usernames, passwords, and session data.

Read more

Dionaea – honeypot for capturing exploit and malware activity

September 10, 2026 Steve Emms CLI, Security

Dionaea is a network honeypot that emulates vulnerable services, detects shellcode, captures attack activity, and supports numerous protocols.

Read more

OpenCanary – modular multi-protocol network honeypot

September 9, 2026 Steve Emms CLI, Security

OpenCanary is a lightweight, modular network honeypot that emulates common services and generates alerts when attackers interact with them.

Read more
Security

Talisman – detect sensitive data before Git commits

September 9, 2026 Steve Emms CLI, Security

Talisman scans Git changesets for passwords, tokens, private keys and other sensitive data before they are committed or pushed.

Read more
WiFi 7

WHAD Client – Wireless Protocol Exploration Framework

September 9, 2026 Steve Emms CLI, Security

WHAD Client is a command-line framework for capturing, analysing, replaying and experimenting with traffic from supported wireless devices and protocols.

Read more
Security

detect-secrets – detect and prevent secrets in source code

September 9, 2026 Steve Emms CLI, Security

detect-secrets helps teams detect and prevent credentials from entering source code using baselines, plugins, filters and Git hooks.

Read more
Wi-Fi image

Fluxion – Wireless Security Auditing Tool

September 8, 2026 Steve Emms Security

Fluxion is a terminal-based security auditing tool for evaluating WPA and WPA2 network exposure through controlled captive-portal testing.

Read more
Security

Gitleaks – detect secrets in Git repositories and files

September 8, 2026 Steve Emms CLI, Security

Gitleaks scans Git repositories, files and standard input for passwords, API keys, tokens and other hard-coded secrets in source code.

Read more
Wi-Fi Internet

hcxtools – Analyze Wi-Fi Capture and Hash Files

September 8, 2026 Steve Emms CLI, Security

hcxtools is a command-line suite for converting, filtering and analysing wireless captures and authentication hashes during authorised security assessments.

Read more
Encrypted Files

Keysign – OpenPGP key signing helper

August 29, 2026 Steve Emms GUI, Security

Keysign is a GTK application that securely exchanges and signs OpenPGP keys over a local network or Bluetooth without relying on a keyserver.

Read more
Security

y509 – analyse and validate X.509 certificate chains

August 23, 2026 Steve Emms Security, TUI

y509 is a terminal interface for inspecting and validating X.509 certificate chains from files, stdin and live TLS or STARTTLS services.

Read more
Security

11 Best Open Source Firewall Distributions

August 21, 2026 Steve Emms Distro, Roundup, Security, System Software

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

Read more
Security

9 Useful Free and Open Source Linux Reverse Vulnerability Analysis Tools

August 15, 2026 Steve Emms Roundup, Security

Vulnerability analysis is an essential activity for enterprise security. We recommend useful open source tools.

Read more
Security

Jazzer – coverage-guided, in-process fuzzer for the Java Virtual Machine

August 15, 2026 Steve Emms Security

Jazzer uses code coverage to steer generated inputs towards unexplored paths, crashes and vulnerabilities.

Read more
Security

Ronin – Ruby toolkit for security research and development

August 15, 2026 Steve Emms CLI, Security

Ronin is a Ruby toolkit for security research and development. It provides command-line tools and libraries

Read more
Network Security

12 Best Free and Open Source Linux Terminal-Based Port Scanners

August 15, 2026 Steve Emms CLI, Internet, Roundup, Security, System Software

Linux has a good range of port scanners that help administrators identify and rectify weaknesses in a system.

Read more
Security

syzkaller – unsupervised, coverage-guided kernel fuzzer

August 14, 2026 Steve Emms Security

syzkaller is an unsupervised, coverage-guided kernel fuzzer.

Read more
Security

XMap – fast network scanner

August 13, 2026 Steve Emms CLI, Security

XMap is a fast network scanner for large-scale IPv4 and IPv6 research.

Read more

Posts pagination

«Previous Posts 1 2 3 4 5 6 … 23 Next Posts»

Best Free Software

Document Management Systems
Documents
Web Browsers
Internet
Education
Education
Internet Radio
Audio
YouTube Tools
Video
Paint Palette
Graphics
System Administration
Admin
Docks
Desktop
Productivity
Productivity
Genome Browsers - Web Based
Science
Games
Games
Vulnerability detection
Security
Replacements for du
Utilities
Object Relational Mapping
Coding
Stockmarket
Finance
Web Delivery
Web Apps
Crafting
Other
Programming Books
Books

Data Science

Data ScienceTake our free interactive courses in data science. There are courses for Python using pandas and plotnine and R using ggplot2.

Get up to speed in 20 minutes. No programming knowledge is required.

Recent Comments

  • Gingle on Radxa Cubie A7A Single Board Computer Running Linux: Introduction to the Series
  • Ralph on Minisforum Says Disable Four of the MS-R1’s 12 CPU Cores – Is Linux Scheduling Them Properly?
  • Steve Emms on Minisforum Says Disable Four of the MS-R1’s 12 CPU Cores – Is Linux Scheduling Them Properly?
  • Liam on Minisforum Says Disable Four of the MS-R1’s 12 CPU Cores – Is Linux Scheduling Them Properly?
  • Steve Emms on 22 Best Free and Open Source CLI Data Hashing Tools
  • Gregory Langlais on paq – fast BLAKE3 file and directory hashing
  • Gregory Langlais on 22 Best Free and Open Source CLI Data Hashing Tools
  • jon snow on Kid3 – audio tagging software
  • Jen on Linux Has Too Many Distributions – And Most New Ones Don’t Need to Exist
  • Loki on Linux Has Too Many Distributions – And Most New Ones Don’t Need to Exist

Programming Books

Read our curated lists of great free programming books. Learn Java, C, Python, C++, C#, JavaScript, PHP, and many more languages.

Alternatively, check out our series of great free programming tutorials.

Feedback

Help expand our coverage of Linux software by completing our:

  • Open-source software form
  • Linux distro form

Your feedback is very much appreciated. Complete our contact form.

Support Us


Donate
to LinuxLinks

Thank you for supporting LinuxLinks. If you like our site, the best way to ensure it remains available is to make a donation.

Small Devices

We’re publishing a series of articles for each of these Linux-based phones, Mini PCs, SBCs, and NAS devices.

Minisforum N5 Pro NAS – AMD
Beelink EQi 304 – Intel
BOSGAME VTA-439 – AMD
Minisforum M2 Panther Lake
Minisforum MS-02 Mini Workstation
BOSGAME M7 285H – Intel
Minisforum MS-R1 Mini Workstation
Chuwi CoreBook Air Plus laptop
BOSGAME M6 HX370 – AMD
BOSGAME M4 Plus – AMD
Minisforum AI X1 Pro – AMD
Minisforum UM890 Pro – AMD
PELADN WO4 5600H – AMD
Volla Phone Quintus with UT (ARM)
HP ProBook 440 G8 Refurb – Intel
ASRock NUC BOX-255H – Intel

SBC series are available on our Series landing page.

Replace Proprietary Software

Migrate from large multinational software companies and embrace free and open source solutions.

Google
Google
Microsoft
Microsoft
Apple
Apple
Adobe
Adobe
IBM
IBM
Autodesk
Autodesk
Oracle
Oracle
Atlassian
Atlassian
Corel
Corel
Cisco
Cisco
Intuit
Intuit
SAS
SAS
Progress
Progress
Salesforce
Salesforce
Citrix
Citrix

Reviews

ReviewsWe’ve written tons of in-depth and completely impartial reviews of open source software. Read our reviews.

New to Linux?

NewbieBegin your Linux journey with our easy-to-understand guide designed for newcomers.

Mega Compilations

100 GUI Apps
100 TUI Apps
100 CLI Apps

Recent Posts

  • Scrivus – local-first novel-writing app
  • Lingueez – desktop vocabulary trainer for language learning
  • AlgaOS – beginner-friendly Gentoo-based Linux distribution
  • Best Free and Open Source Software: September 2026 Updates
  • LinuxLinks Policy on AI-Heavy Software Projects
  • 14 Best Free and Open Source Linux IPTV Players
  • Tako – multi-transport Rust framework for network services
  • Zone Timeline TUI – compare time zones and working hours
  • exhaustive – check exhaustiveness of Go switch statements
  • ChurrOS – lightweight Arch Linux distribution for modest hardware

Desktops

9 Best Desktops
24 KDE Themes
33 KDE Widgets
42 GNOME Extensions
Pantheon, Trinity, LXDE

Archives

Related

Contact us
Link us
FAQ
Comment FAQ
ForFOSS.com
OSSBlog.org
Privacy Policy

© LinuxLinks 1998-2026: Designed by LinuxLinks.