A free course management system (CMS) to create online learning sites
Moodle is a Course Management System (CMS), also known as a Learning Management System (LMS) or a Virtual Learning Environment (VLE). It is a Free web application that educators can use to create effective online learning sites. https://moodle.org/
A lightweight and easy-to-use password manager
KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.
An interior design application to draw house plans & arrange furniture
Sweet Home 3D is an interior design application that helps you to quickly draw the floor plan of your house, arrange furniture on it, and visit the results in 3D.
A free and reliable P2P BitTorrent client
An advanced and multi-platform BitTorrent client with a nice Qt user interface as well as a Web UI for remote control and an integrated search engine. qBittorrent aims to meet the needs of most users while using as little CPU and memory as possible.
An award-winning drawing program for children ages 3 to 12
Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents and teachers, or downloaded from 3rd parties. Tux Paint is available for Linux, BSD, Windows, Mac OS X and Haiku operating systems.
Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.
A graphical network simulator to design and configure virtual networks
GNS3 is a graphical network simulator that allows you to design complex network topologies. You may run simulations or configure devices ranging from simple workstations to powerful Cisco routers. It is based on Dynamips, Pemu/Qemu and Dynagen. Go to GNS3.com for last releases.
DjVu is a web-centric format for distributing documents and images. DjVu was created at AT&T Labs-Research and later sold to LizardTech Inc. DjVuLibre is a GPL implementation of DjVu maintained by the original inventors of DjVu.
The world's leading open source portal
Liferay Portal is the world's leading enterprise open source portal framework, offering integrated Web publishing and content management, an enterprise service bus and service-oriented architecture, and compatibility with all major IT infrastructure.
a parametric 3D CAD modeler
WARNING: FreeCAD has moved! FreeCAD code and release files are now hosted on github at https://github.com/FreeCAD/FreeCAD Only older files and code are available here. FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD, MCAD, CAx, CAE and PLM, aimed directly at mechanical engineering and product design but also fits a wider range of uses in engineering, such as architecture or other engineering specialties. It is 100% Open Source and extremely modular, allowing for very advanced extension and customization. FreeCAD is based on OpenCasCade, a powerful geometry kernel, features an Open Inventor-compliant 3D scene representation model provided by the Coin 3D library, and a broad Python API. The interface is built with Qt. FreeCAD runs exactly the same way on Windows, Mac OSX and Linux platforms.
Is an easy to use, money management application.
Money Manager Ex (mmex) is an easy to use, money management application. It is a personal finance manager. It can be used to track your net worth, income vs expenses etc. It runs on Windows, Linux and Mac OSX.
The free computer aided translation (CAT) tool for professionals
OmegaT is a free and open source multiplatform Computer Assisted Translation tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects.
An intuitive molecular editor and visualization tool
Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science and related areas. It offers a flexible rendering framework and a powerful plugin architecture.
Quantitative Content Analysis or Text Mining
KH Coder is a free software for quantitative content analysis or text data mining. It is also utilized for computational linguistics. You can analyze Japanese, English, French, German, Italian, Portuguese and Spanish text with KH Coder. Also, Catalan, Chinese (simplified), Korean, Russian and Slovenian language data can be analyzed with the latest alpha release (Version 3). KH Coder provides various kinds of search and statistical analysis functions using back-end tools such as Stanford POS Tagger, FreeLing, Snowball stemmer, MySQL and R.
Synfig is a powerful, industrial-strength vector-based 2D animation software package, designed from the ground-up for producing feature-film quality 2D animation with fewer people and resources.
smart and open source document management system
LogicalDOC is both document management and collaboration system. The software is loaded with many functions and allows organizing, index, retrieving, controlling and distributing important business documents securely and safely for any organization and individual. Gone are the days when companies used paper-based processes such as printing, mailing and manual filing of paper documents; our document management system replaces all of this with electronic procedures that allow your organization to reduce costs significantly. Check out https://www.logicaldoc.com to learn more. The design of LogicalDOC is based on best-of-breed Java technologies in order to provide a reliable DMS platform. The main interface is web-based, no need to install anything else; users can access the system through their browser. LogicalDOC CE is 100% free software and is packaged with an open source database; while it supports all major DBMS, developers still recommend MySQL for production systems.
Secure Trading Client for most popular Bitcoin exchanges
Supported Exchanges: OkCoin, Bitfinex, BTC-e/Wex, Bitstamp, goc.io, Indacoin, BTCChina, Bitmarket.pl and YoBit.net. This software helps you open and cancel orders very fast. Real-time data monitoring. Developed on pure Qt, uses OpenSSL. I want to develop this Trader App so that it can be configured for any rule and strategy. And now it supports JL Script, advanced strategy script language. More info http://forum.centrabit.com/viewforum.php?f=3 Next ToDo: 1 ) Advanced Charts 2 ) Add support to monitor many exchanges and currencies at the same time 3 ) Develop server to collect all ticker and depth data to provide single WebSocket connection for realtime data updates 4 ) Make floatable interface [Done] 5 ) Saving interface settings as Workspace Profiles [Done] 6 ) Develop mobile application to provide secure remote access to running application on desktop 7 ) Add plugins support to allow all developers attach any exchanges More information here: http://centrabit.com
WikidPad is a wiki-like notebook for storing your thoughts, ideas, todo lists, contacts, or anything else you can think of to write down.
Enterprise project management and alternative to Project Server
]project-open[ is Web based enterprise project management application with a focus on finance and collaboration. It’s main purpose is to coordinate the work of project managers, project members and stake holders across multiple projects. Target organizations are companies or corporate departments that need to track finances, tasks, and resources for a large number of concurrently running projects. ]project-open[ consists of about 200 modules for resource management, time sheet management, HR, CRM, ITSM, collaboration and financials. ]po[ is built on top of OpenACS.org, an open-source Web platform featuring role-base permissions, workflows, dynamically extensible objects and full-text search.
Free and Open Source Browser based Security Framework
OWASP Mantra - Free and Open Source Browser based Security Framework, is a collection of free and open source tools integrated into a web browser, which can become handy for penetration testers, web application developers, security professionals etc.
EJBCA is an enterprise class PKI Certificate Authority built on JEE technology. It is a robust, high performance, platform independent, flexible, and component based CA to be used standalone or integrated in other JEE applications.
Free church worship presentation software
Open Source Worship Presentation Software. This project has moved to Launchpad: https://launchpad.net/openlp
Wikipedia offline & more
Kiwix is an offline reader for Web content. It's especially intended to make Wikipedia available offline. With Kiwix, you can enjoy Wikipedia on a boat, in the middle of nowhere... or in Jail. Kiwix manages to do that by reading ZIM files, a highly compressed open format with additional meta-data.
A GTK+ Gnutella client, optimized for speed and scalability
A GTK+ Gnutella client, efficient, reliable and fast, written in C. It has been optimized for speed and scalability, with low-memory consumption. It is meant to be left running 24x7, using little CPU and only the configured bandwidth. It is possible to run gtk-gnutella without a GUI or using a shell interface.
A software-based online payment system
Bitcoin is a decentralized P2P electronic cash system without a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of the network to check for double-spending.