Cross-platform free software

fast data compression and decompression library written in C++ by Google

General-purpose programming language inspired by Go, Kotlin, Oberon, Python, Rust, and Swift

web application security scanner for penetration tests

OpenBoard is a free and open-source interactive whiteboard software compatible with any projector and pointing device.

dialect of the Lisp programming language designed to interact with Python

multi-system emulator

Workrave is a free software application intended to prevent computer users from developing or aggravating occupational diseases such as carpal tunnel syndrome, repetitive strain injuries, or myopia.

ProcessWire is a free and open source content management system (CMS), content management framework (CMF) and web application framework (WAF) written in the PHP programming language. It is distributed under the Mozilla Public License 2.0. ProcessWire is built around an API with usage and naming conventions similar to the JavaScript framework jQuery. The stated goal behind the API is to provide the level of accessibility and control to pages in a website that jQuery provides to the DOM. Content is managed either via the API or the web-based admin control panel. ProcessWire is largely used for d

functional programming language inspired by ML and aimed at program verification

RSSOwl is a discontinued news aggregator for RSS and Atom news feeds. It is written in Java and built on the Eclipse Rich Client Platform which uses SWT as a widget toolkit to allow it to fit in with the look and feel of different operating systems while remaining cross-platform. Released under the EPL-1.0 license, RSSOwl is free software.

programming language

Rclone is an open source, multi threaded, command line computer program to manage or migrate content on cloud and other high latency storage. Its capabilities include sync, transfer, crypt, cache, union, compress and mount. The rclone website lists supported backends including S3 and Google Drive.

Java library for reading and writing Microsoft Office file formats, such as Excel, PowerPoint, Word, Visio, Publisher and Outlook. It supports both the older (OLE2) and new (OOXML - Office Open XML) formats.

application that adjusts the computer display's color temperature

PhpWiki is a web-based wiki software application. It began as a clone of WikiWikiWeb and was the first wiki written in PHP. PhpWiki has been used to edit and format paper books for publication.

open source multi-platform two-panel orthodox file manager

tracking, data security and device management app

PARI/GP is a computer algebra system with the main aim of facilitating number theory computations. Versions 2.1.0 and higher are distributed under the GNU General Public License. It runs on most common operating systems.

Raylib (stylized as raylib) is a cross-platform open-source software development library. The library was made to create graphical applications and games.

thttpd (tiny/turbo/throttling HTTP server) is an open source software web server from ACME Laboratories, designed for simplicity, a small execution footprint and speed.

MilkyTracker is a free software multi-platform music tracker for composing music in the MOD and XM module file formats.

Info-ZIP is a set of open-source software to handle ZIP archives. It has been in circulation since 1989. It consists of 4 separately-installable packages: the Zip and UnZip command-line utilities; and WiZ and MacZip, which are graphical user interfaces for archiving programs in Microsoft Windows and classic Mac OS, respectively.

ARToolKit is an open-source computer tracking library for creation of augmented reality applications that overlay virtual imagery on the real world. Currently, it is maintained as an open-source project hosted on GitHub.

PukiWiki is wiki software written in PHP, and is widely used by Japanese wikis. It was forked from , originally developed by . Since version 1.4, PukiWiki Development Team became the developer of the software.

privacy preserving communication app

Ibercivis was a volunteer computing platform which allows internet users to participate in scientific research by donating unused computer cycles to run scientific simulations and other tasks. The original project, which became operational in 2008, was a scientific collaboration between the Portuguese and Spanish governments, but it is open to the general public and scientific community, both within and beyond the Iberian Peninsula. The project's name is a portmanteau of Iberia and the Latin word , meaning 'citizen'.

TigerVNC is an open source Virtual Network Computing (VNC) server and client software, started as a fork of TightVNC in 2009. The client supports Windows, Linux and macOS. The server supports Linux. There is no server for macOS and as of release 1.11.0 the Windows server is no longer maintained.

The TANGO control system is a free open source device-oriented controls toolkit for controlling any kind of hardware or software and building SCADA systems. It is used for controlling synchrotrons, lasers, physics experiments in over 20 sites. It is being actively developed by a consortium of research institutes.

IKVM (formerly IKVM.NET) is an implementation of Java for Common Language Infrastructure implementations such as Mono and the Microsoft .NET Framework. IKVM is free software, distributed under the zlib permissive free software license.

'''Plouf's Java IRC (PJIRC''') is a web-based open-source IRC client that is written in Java. Any web browser that supports the Java Runtime Environment, or an alternative Java interpreter, can use the applet. Many IRC networks have a public installation of the applet for their network.

ClipGrab is a donationware video download manager, allowing downloads of videos from a variety of websites such as YouTube, Vimeo, Dailymotion, or Facebook. It has been praised for its user-friendliness, but also flagged as malware by security software. It can convert the downloaded files to other file formats such as MP3, MPEG4, OGG Theora or WMV. It is published as free software under the terms of the GPL-3.0-or-later license. It is developed and maintained by libre media labs GmbH.

MP3Gain is an audio normalization software tool. The tool is available on multiple platforms and is free software. It analyzes the MP3 and reversibly changes its volume. The volume can be adjusted for single files or as album where all files would have the same perceived loudness. It is an implementation of ReplayGain. In 2015 Debian and Ubuntu removed it from their repositories due to a lack of an active maintainer.

X2Go is open source remote desktop software for Linux that uses a modified NX 3 protocol. X2Go gives remote access to a Linux system's graphical user interface. It can also be used to access Windows systems through a proxy.

FreeFileSync is a program used for file synchronization. It is available on Windows, Linux and macOS. The project is backed by donations. Donors get access to a Donation Edition that contains a few additional features such as an auto-updater, parallel sync, portable version, and silent installation. FreeFileSync has received positive reviews. FreeFileSync is available free of charge for personal use; the official Windows installer requires the users to accept the terms of use, which state that for business use they are required to purchase a business edition version of the application.

UML2 graphical editing tool based on Eclipse

programming language

password manager by Bruce Schneier

Timetabling Software

Cyber attack management for Metasploit

Forgejo () is software for hosting a forge using the Git version control system to aid with software development. The package allows developers to use collaborative features like bug tracking, code review, continuous integration, kanban boards, issue tracking system tickets, and wikis with their projects. The package is designed to be self-hosted by developers, and a public instance is provided to try out the software, however forges that are hosted by organizations such as Codeberg are more commonly used. Forgejo can be hosted on most platforms that support the Go runtime, including macOS, ex

LeoCAD is a free and open-source 3D CAD program for creating virtual Lego models by using parts from LDraw library. It was developed by Leonardo Zide in 1997.

open source, cross-platform simulation of Conway's Game of Life, a tool for the simulation of cellular automata

uWSGI is an open source software application that "aims at developing a full stack for building hosting services". It is named after the Web Server Gateway Interface (WSGI), which was the first plugin supported by the project. uWSGI is maintained by the Italian-based software company unbit.

Open-Source content management system (CMS) developed by Magnolia International Ltd. Magnolia gives you composable digital experiences made for your real-world needs with hybrid headless CMS, easy integrations, and unified authoring.

web browser for GNU Emacs

Textadept is a free software minimalist text editor designed for computer programming. Distributed under the MIT license, it is written in C, C++ and Lua and is extensible using Lua. Textadept can use either a graphical user interface or a text-based user interface when running in a terminal window. Textadept uses the Scintilla editing component. Textadept's developer makes the curses wrapper library for Scintilla used by Textadept available separately.

free software framework

open-source IDE

open-source astronomy visualisation program

CommaFeed is a free and open source feed reader. It is a web application which can be self hosted on a web server or used through commafeed.com. It has responsive design supporting desktop, tablet and mobile browser simultaneously. An Android News+ client was available but discontinued. It supports right-to-left feeds.

programming language

programming language

H.323 gatekeeper implementation

web server

KeeWeb is a free and open-source password manager compatible with KeePass, available as a web version and desktop apps. The underlying file format is KDBX (KeePass database file).

syntax extension and toolchain for OCaml

open-source software framework designed to create cross-platform desktop applications

AOLserver is AOL's open source web server. AOLserver is multithreaded, Tcl-enabled, and used for large scale, dynamic web sites.

Free software for teaching the "Solfège" music reading techinique

thumb|300px|The LAMP (software bundle) with polipo as lightweight forwarding and caching web proxy server. A high performance and high-availability solution for a hostile environment Polipo is a discontinued lightweight caching and forwarding web proxy server. It has a wide variety of uses, from aiding security by filtering traffic; to caching web, DNS and other computer network lookups for a group of people sharing network resources; to speeding up a web server by caching repeated requests. It can be configured to use on-disk cache and serve cached content when offline and perform various for