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Open Source Alternatives

Best Free and Open Source Alternatives to Google Cloud Build

September 23, 2026 Steve Emms Programming

Looking to replace Google Cloud Build? Explore the best free and open source alternatives for CI/CD, container builds and automation.

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Speech

Kokoro – Open-Weight Text-to-Speech Model

September 23, 2026 Steve Emms CLI, Multimedia, Reviews

Kokoro is a lightweight open-weight text-to-speech model offering local speech synthesis, multiple languages, voices, and speed control.

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Documentation Generators

Best Free and Open Source Alternatives to Adobe RoboHelp

September 22, 2026 Steve Emms Documents

Best free and open source alternatives to Adobe RoboHelp for creating technical documentation, online help, and knowledge bases on Linux.

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Anti-Malware Tools

4 Best Free and Open Source Malware Sandboxes

September 22, 2026 Steve Emms Roundup, Security

Discover free and open source malware sandboxes for static and dynamic analysis of suspicious software.

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Music player review banner

PCM Transport – lightweight audio player

September 22, 2026 Steve Emms GUI, Multimedia, Reviews

PCM Transport is a lightweight audio player with direct ALSA output, gapless playback, DSP tools, CUE support and very low memory use.

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How to Download YouTube Videos, Playlists, and Channels on Linux with 4K Video Downloader Plus

September 22, 2026 John O'Donnell GUI, Multimedia, Software

Download YouTube videos, playlists, channels, subtitles and audio on Linux with 4K Video Downloader Plus and its graphical interface.

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CAD

20 Best Free and Open Source Linux CAD Software

September 23, 2026 Steve Emms Graphics, Roundup

Computer-aided design (CAD) is the use of computer technology for the design of objects, real or virtual.

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WebRTC

Neko – self-hosted virtual browser and remote desktop

September 23, 2026 Steve Emms Internet, Web Apps

Neko is a self-hosted WebRTC virtual browser and desktop for collaborative browsing, watch parties, remote applications and shared control.

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Video Editors

22 Best Free and Open Source Linux Video Editors

September 23, 2026 Steve Emms Multimedia, Roundup

Linux represents an excellent platform for editing video. We recommend the best free and open source video editors.

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Robotics

RTAB-Map – graph-based SLAM and 3D mapping application

September 23, 2026 Steve Emms Scientific

RTAB-Map is a graph-based SLAM application and library for robot mapping, localization, loop closure detection and 3D map generation.

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Molsketch – 2D molecular structure editor

September 23, 2026 Steve Emms GUI, Scientific

Molsketch is a Qt-based 2D molecular structure editor with chemical drawing tools, OpenBabel integration, and image export.

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Find Duplicates

JFFS2 – log-structured file system for raw flash storage

September 23, 2026 Steve Emms System Software

JFFS2 is a log-structured file system for raw flash devices, offering compression, wear levelling and resilience to power loss.

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Linux Distributions

RakuOS – hybrid atomic Fedora-based distribution

September 23, 2026 Erik Karlsson Distro

RakuOS is a Fedora-based atomic Linux distribution with bootc image updates, rollback, persistent RPM overlays and multiple desktop editions.

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Maths

23 Best Free and Open Source Linux Computer Algebra Systems

September 23, 2026 Eilidih Parris Roundup, Scientific

A computer algebra system (CAS) is mathematical software that can manipulate mathematical formulae in a way similar to the traditional manual computations of mathematicians and scientists.

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UML

OpenPonk – metamodeling platform and modeling workbench

September 23, 2026 Steve Emms GUI, Programming

OpenPonk is a Pharo-based metamodeling platform and modeling workbench supporting UML, BPMN, Petri nets, ER diagrams and other notations.

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4 Best Free and Open Source Perl Linter Tools

September 23, 2026 Eilidih Parris Programming, Roundup

A linter is a tool used in software development to analyze code for potential errors, stylistic issues, and adherence to coding standards.

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Selection of utilities

Select Default Application – graphical MIME association manager

September 23, 2026 Steve Emms GUI, Utilities

Select Default Application is a Qt GUI for managing XDG MIME associations, defaults and conflicts across Linux desktop environments.

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WebRTC

Broadcast Box – sub-second WebRTC broadcasting

September 23, 2026 Steve Emms Internet

Broadcast Box is a self-hosted WebRTC broadcasting platform for sub-second streaming, browser publishing, playback, profiles and administration.

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pyiron_atomistics – atomistic simulation and workflow environment

September 23, 2026 Steve Emms Scientific

pyiron_atomistics integrates atomistic simulation, job management, data storage and high-throughput computational materials workflows.

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Selection of utilities

handlr-regex – manage default applications with regular expressions

September 23, 2026 Steve Emms CLI, Utilities

handlr-regex is a fast Rust CLI for managing default applications, MIME handlers and regex-based rules, with scripting and selector support.

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Linux Distributions

NeOS – snapshot-based Arch Linux distribution

September 22, 2026 Erik Karlsson Distro

NeOS is an Arch-based rolling distribution offering curated updates, KDE Plasma 6, Btrfs snapshots and the Calamares installer.

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CycloneDX CLI – command-line toolkit for BOM documents

September 22, 2026 Steve Emms CLI, Security

CycloneDX CLI analyzes, converts, merges, signs, verifies and validates BOM documents, with support for CycloneDX and SPDX formats.

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quacc – automate quantum chemistry and materials science workflows

September 22, 2026 Steve Emms Scientific

quacc automates quantum chemistry and materials science workflows across local systems, HPC resources and cloud infrastructure.

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Satellite Tool

Rayfall – map ham radio QSOs on an interactive map

September 22, 2026 Steve Emms Other, Web Apps

Rayfall maps amateur radio QSOs from QRZ or ADIF logs, with filters, multiple QTH support, custom map styling, sharing and export tools.

Read more

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Recent Posts

  • Best Free and Open Source Alternatives to Google Cloud Build
  • 20 Best Free and Open Source Linux CAD Software
  • Neko – self-hosted virtual browser and remote desktop
  • 22 Best Free and Open Source Linux Video Editors
  • RTAB-Map – graph-based SLAM and 3D mapping application
  • Molsketch – 2D molecular structure editor
  • Kokoro – Open-Weight Text-to-Speech Model
  • JFFS2 – log-structured file system for raw flash storage
  • RakuOS – hybrid atomic Fedora-based distribution
  • 23 Best Free and Open Source Linux Computer Algebra Systems

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