We recommend the best free and open source Java-based Application Servers.
Read moreMonth: March 2026
Termy – minimal terminal emulator
Termy is a modern terminal emulator that focuses on minimalism, performance, and GPU-accelerated rendering.
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18 Best Free and Open Source Network Analyzers
A network analyzer (also known as a packet analyzer, packet sniffer, or protocol analyzer) is software that intercepts and logs traffic that passes over a computer network or part of a network.
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Aerion – graphical email client
Aerion is a standalone lightweight e-mail client inspired by Geary.
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10 Best Free and Open Source JavaScript Runtime Environments
The JavaScript runtime environment provides your scripts with utility libraries which can be used during execution.
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Vassal – game engine
Vassal is a game engine for building and playing online adaptations of board games and card games. It’s written in Java.
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5 Best Free and Open Source Linux Network Simulators
Network simulation is a technique whereby a software program replicates the behavior of a real network. We make our picks.
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lo – very small low-level JavaScript runtime
lo is a low-level JavaScript runtime.
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12 Best Free and Open Source TypeScript-Based Web Content Management Systems
Here are our favorite TypeScript-based web content management systems. They are all free and open source software.
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Vi Mongo – streamlines managing MongoDB databases
Vi Mongo is an intuitive Terminal User Interface (TUI) application designed to streamline and simplify the management of MongoDB databases.
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termshot – generate screenshots of your terminal
termshot reads the console output and renders an output image that resembles a user interface window.
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dotool – simulate input
dotool reads actions from stdin and simulates keyboard/mouse input. It works systemwide and supports keyboard layouts.
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Kiri:Moto – browser-based Slicer for 3D printers, CNC mills, and Laser cutters
Kiri:Moto is a unique browser-based slicer for 3D printing and a tool-path generator for CNC mills and laser cutters.
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S3QL – file system that stores all its data online
S3QL is a file system that stores all its data online using storage services like Google Storage, Amazon S3, or OpenStack.
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RonDO – terminal productivity app
RonDO is a modern terminal productivity app that combines task management with a daily journal.
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RustConn – manage remote connections
RustConn is a connection orchestrator for Linux with a GTK4/Wayland-native interface.
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CLIAMP – retro terminal music player inspired by Winamp
CLIAMP is billed as a retro-inspired terminal music player influenced by the classic Winamp 2.x era. It’s really cool!
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AerynOS – independent Linux distribution
AerynOS is an independent Linux distribution built from scratch and currently in alpha development.
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Brow6el – terminal web browser with graphics support
Brow6el is a full-featured web browser for the terminal using Chromium (CEF) with support for Sixel and Kitty graphics protocols.
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MicroPie – ultra-micro ASGI Python web framework
MicroPie is a fast, lightweight, modern Python web framework built on ASGI for asynchronous web applications.
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