Open Source Software Directory
The greatest collection of open source and free software
Use the Open Source Software Directory to find the best open source and free software for at home or in business
768
applications!
Last added
QST3 January 2021
Creating a quiz, survey, or test? Our QST Builder interface makes it simple. The numerous features in QST rival those found in commercial online examination and survey software systems. (GPL)
Cross-platform
Indico24 November 2020
Indico will help you organise your conference from the beginning. From registration and abstract submission to the final papers, conference materials are stored within the system and made available to participants from the event web page. We've got it all covered, even participant badges! (MIT)
Linux
OpenKM24 November 2020
OpenKM is a management solution that allows businesses to control the production, storage, management and distribution of electronic documents, yielding greater effectiveness and the ability to reuse information and to control the flow of the documents. (GPL)
Cross-platform
Celluloid24 November 2020
Celluloid (formerly GNOME MPV) is a simple GTK+ frontend for mpv. It aims to be easy to use while maintaining high level of configurability. (GPL)
Linux
pdfarranger24 November 2020
Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface. (GPL)
Linux - Windows
Zulip24 November 2020
Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip is 100% open source software, built by a vibrant community of hundreds of developers from all around the world. (Apache)
Linux
Bagisto24 November 2020
Bagisto is a free opensource platform to build an e-commerce store. It is flexible, secured and includes advanced features to be fit for any e-commerce business requirement. (MIT)
Cross-platform
LightZone24 November 2020
LightZone is a professional-level digital darkroom and photo editor for Mac, Windows, and Linux. It includes RAW processing and editing. It's a completely non-destructive editor, where any of the tools can be re-adjusted or modified later — even in a different editing session. (BSD)
Linux - Windows - MAC OS X
LazPaint24 November 2020
LazPaint is a free cross-platform image editor with raster and vector layers. It supports the OpenRaster format so it can interoperate with MyPaint, Gimp and Krita. (GPL)
Linux - Windows - MAC OS X
Tailwind24 November 2020
Tailwind is unapologetically modern, and takes advantage of all the latest and greatest CSS features to make the developer experience as enjoyable as possible. (MIT)
Cross-platform
Discourse24 November 2020
Discourse is the 100% open source discussion platform built for the next decade of the Internet. Use it as a mailing list, discussion forum, long-form chat room, and more! (GPL)
Cross-platform
Jellyfin24 November 2020
Jellyfin enables you to collect, manage, and stream your media. Run the Jellyfin server on your system and gain access to the leading free-software entertainment system, bells and whistles included. (GPL)
Cross-platform
ABP Framework22 November 2020
ABP Framework is a complete infrastructure to create modern web applications by following the software development best practices and conventions. It provides a base framework, startup templates, CLI, a basic theme, and some pre-built application modules. It makes developers/enterprises focus on their own business code by handling repeating tasks. (LGPL)
Windows
bitfarm-Archiv22 November 2020
The bitfarm-Archiv Document Management system offers everything you need to archive and manage documents and files electronically. Our intuitively operable Electronic Document Management software is designed for businesses, institutions and public administration to meet high demands 'out of the box' (GPL)
Windows
Shutter Encoder22 November 2020
Shutter Encoder is one of the best converter for video, images and audio available today. It has been designed for video editors in order to be as accessible and efficient as possible. (GPL)
Windows - Linux - MAC OS X
Publii20 April 2020
Publii is an app that brings a new concept to the web-development table; the first desktop static-website CMS. Designed with the simplicity for beginners to use, but boasting extensive options and functionalities that allow experienced web developers to make more complex modifications, Publii creates a safe, fast static website without all the hassle. (GPL)
Linux - Windows - MAC OS X
Manuskript28 August 2019
Manuskript is a perfect tool for those writer who like to organize and plan everything before writing. The snowflake method can help you grow your idea into a book, by leading you step by step and asking you questions to go deeper. While writing, keep track of notes about every characters, plot, event, place in your story. (GPL)
Linux - Windows - MAC OS X
Scipio28 August 2019
Scipio ERP is a full-stack open-source business solution. We provide you with a wide range of business applications that you can customize to your every needs. Use our applications to build your own business processes or alongside your existing business ERP systems. Create a modern e-commerce stores and trim down development time by exploiting our existing patterns and applications. (Apache)
Cross-platform
OpenProject28 August 2019
OpenProject is a web-based project management system for location-independent team collaboration. Open source project management software. Powerful. Easy-to-use. Free. (GPL)
Cross-platform
Delta Chat28 August 2019
Delta Chat is like Telegram or Whatsapp but without the tracking or central control. Delta Chat doesn’t have their own servers but uses the most massive and diverse open messaging system ever: the existing e-mail server network. (GPL)
Cross-platform