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Author: Steve Emms

Piccolo – modern GTK color picker

September 14, 2026 Steve Emms Graphics, GUI

Piccolo is a GTK and Libadwaita color picker with screen sampling, flexible color formats, history, keyboard navigation, and an adaptive interface.

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Geology

11 Best Free and Open Source Linux GIS Software

September 14, 2026 Steve Emms Roundup, Scientific

A Geographic Information System (GIS) is software designed to capture, manage, analyse, and visualise geographically referenced data.

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File Managers

SafeBucket – on-premises file sharing platform

September 14, 2026 Steve Emms Internet, Web Apps

SafeBucket is a self-hosted file sharing platform with direct storage transfers, public links, RBAC, OIDC, MFA, auditing and pluggable infrastructure.

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Character Maps

5 Best Free and Open Source Character Map Tools

September 14, 2026 Steve Emms Roundup, Utilities

A character map allows you to view and access the characters in a particular font. We select the best ones for Linux.

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perl-lsp – language server for Perl

September 14, 2026 Steve Emms Programming

perl-lsp is a Perl language server with type inference, completion, navigation, refactoring, diagnostics and command-line analysis tools.

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Command Schedulers

4 Useful Free and Open Source systemd GUI Configuration Tools

September 14, 2026 Steve Emms GUI, Roundup, System Software

systemd is a Linux init system and system manager that’s used by most modern Linux distributions. We pick our favourite GUI tools.

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Scapegoat – static code analysis for Scala

September 14, 2026 Steve Emms CLI, Programming

Scapegoat is a Scala static code analyser that flags bugs, questionable constructs and style problems through configurable compiler inspections.

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Cybersecurity

OpenCTI Community Edition – cyber threat intelligence knowledge platform

September 14, 2026 Steve Emms Security, Web Apps

OpenCTI Community Edition structures and visualises cyber threat intelligence with STIX, a knowledge graph, connectors and a GraphQL API.

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Security

Directory Checksum – recursively hash directory contents

September 13, 2026 Steve Emms CLI, Security

Directory Checksum recursively hashes directory contents to identify changes and help diagnose Docker, BuildKit, and other OCI build-cache issues.

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Scalafix – refactoring and linting tool for Scala

September 13, 2026 Steve Emms CLI, Programming

Scalafix is a Scala refactoring and linting tool with syntactic and semantic rules for checking, rewriting and modernising source code.

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Astronomy-Juno

20 Best Free and Open Source Linux Astronomical Data Analysis Tools

September 13, 2026 Steve Emms Roundup, Scientific

Astronomy is a branch of science that deals with the study of celestial objects (including stars, planets, moons, comets, asteroids…).

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Benchmarking

elbencho – distributed storage benchmark

September 13, 2026 Steve Emms CLI, System Software

elbencho is a distributed storage benchmark measuring latency, throughput and IOPS across file systems, object stores, block devices and GPUs.

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Coding

Zarn – static security analysis for Perl applications

September 13, 2026 Steve Emms CLI, Programming

Zarn is a lightweight Perl static security analysis tool using AST inspection and taint tracking to identify possible vulnerabilities.

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Security

bitrat – fast multi-algorithm file checksum tool

September 13, 2026 Steve Emms CLI, Security

bitrat is a fast command-line checksum tool supporting multiple hash algorithms, HMAC, parallel processing, and nested file hierarchies.

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plotting-article

OSCAR – comprehensive computer algebra research system

September 13, 2026 Steve Emms CLI, Scientific

OSCAR is a comprehensive computer algebra system covering number theory, algebra, group theory, geometry, combinatorics and polyhedral computation.

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5 Best Free and Open Source Linux Honeypot Tools

September 13, 2026 Steve Emms Roundup, Security

Explore free and open source honeypot tools for detecting attacks, analysing malware, capturing credentials, and monitoring threats.

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Anti-Malware Tools

DRAKVUF Sandbox – agentless malware analysis platform

September 13, 2026 Steve Emms Security, Web Apps

DRAKVUF Sandbox provides agentless, black-box malware analysis with a web interface, automated sandboxing and detailed behavioural reports.

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Start up

5 Useful Free and Open Source Graphical GRUB Config Tools

September 13, 2026 Steve Emms Roundup, System Software

GRUB is a boot loader software used in Linux systems. We pick 5 useful GUI tools to edit the bootloader configuration.

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File Managers

chibisafe – self-hosted file uploader and file vault

September 13, 2026 Steve Emms Internet, Web Apps

chibisafe is a self-hosted file uploader with shareable links, albums, tagging, S3 storage, user management, ShareX integration and chunked uploads.

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Document Management Systems

15 Best Free and Open Source Linux Document Processors

September 13, 2026 Steve Emms Documents, Education, Productivity, Roundup, Scientific

A document processor is a document preparation system. We recommend the best document processors.

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Paint Palette
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