The UPERFECT UColor T6 is a 16-inch 4K portable display with a touchscreen panel and a bright, detailed image.
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ZDNS – high-speed DNS resolver and command line utility
ZDNS is a high-speed DNS resolver for large-scale domain measurements with recursive lookups, DNSSEC validation and structured JSON output.
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MoveIt 2 – robotic manipulation platform for ROS 2
MoveIt 2 is a robotic manipulation platform for ROS 2 designed for building, prototyping, and benchmarking robot applications.
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Kucing7 Linux – Slackware-based Linux distribution
Kucing7 Linux is a distribution aimed at developers and office users who want a ready-to-use workstation with a lightweight desktop.
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markuplint – HTML linter for markup developers
markuplint is a markup linter that helps developers improve the correctness, quality, and consistency of HTML and related markup.
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RustDiff – semantic JSON, XML and SQL diff tool
RustDiff is a GTK4 semantic diff tool for JSON, XML and SQL with side-by-side editors, search, graph view, history and export.
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UBIFS – file system for raw flash memory used through UBI volumes
UBIFS is the Linux kernel’s file system for raw flash memory used through UBI volumes.
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Melodic Mix – Mixer and Digital Signal Processing Application
Melodic Mix is a Linux mixer and DSP application for live audio, with configurable effects chains, filtering, dynamics and metering.
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Visu – visualize algorithms step by step
Visu is an interactive algorithm visualizer for GNOME desktops.
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OCFS2 – extent-based cluster file system
OCFS2 is an extent-based cluster file system included in the Linux kernel.
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Carla – Modular Audio Plugin Host
Carla is a modular audio plugin host for Linux supporting multiple plugin formats, rack processing, patchbays, MIDI, JACK and ALSA.
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Easy NATS – graphical desktop application for managing NATS messaging
Easy NATS is a graphical desktop application for managing NATS messaging in a single workspace.
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Best Free and Open Source Software: April 2026 Updates
April 2026 updates to the largest compilation of recommended free and open source software available for Linux.
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ROS 2 – software framework for building robot applications
ROS 2 is a software framework for building robot applications, offering libraries, tools, and core infrastructure.
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10 Best Free and Open Source Graphical MPD Clients
MPD is a powerful server-side application for playing music. We recommend our favourite open source graphical MPD clients.
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Merkaartor – OpenStreetMap mapping program
Merkaartor is a native desktop editor for OpenStreetMap written in C++ and Qt.
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SkyMPC – simple MPD client
SkyMPC is a Qt-based client for MPD (Music Player Daemon) with a deliberately simple design.
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Nyarch Linux – anime-themed Linux distribution
Nyarch Linux is an anime-themed Linux distribution based on Arch Linux and EzArcher.
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Ohcount – source code line counter and analysis library
Ohcount is a source code line counter and analysis library originally developed for Ohloh and used to generate code statistics reports.
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Pipeweaver – PipeWire Audio Management and Routing
Pipeweaver is a PipeWire audio management tool for building virtual channels, routing signals, mixing sources, and external control.
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