GNU Affero General Public License v3.0 (GNU AGPLv3)

Permissions of this strongest copyleft license are conditioned on making available complete source code of licensed works and modifications, which include larger works using a licensed work, under the same license. Copyright and license notices must be preserved. Contributors provide an express grant of patent rights. When a modified version is used to provide a service over a network, the complete source code of the modified version must be made available.

View License Details

Mastodon

Open-source decentralized social network platform. Enables creation of self-hosted social networking instances with federation capabilities.

Decidim

Open-source participatory democracy platform. Enables creation of citizen participation portals.

Chevereto

Open-source image hosting script and platform. Enables creation of image sharing websites and communities.

CiviCRM

Open-source constituent relationship management system. Specializes in nonprofit organization management.

Pico for Nextcloud

Pico CMS for Nextcloud combines the power of Pico and Nextcloud to create simple, secure, shareable and amazingly powerful websites with just a few clicks. Pico is a stupidly simple, blazing fast, flat file CMS - making the web easy.

Wiki.js

Modern, lightweight wiki platform built with Node.js. Offers extensive features for creating and managing documentation with real-time collaboration.

Open edX

Open-source learning management system used by universities worldwide. Powers massive open online courses (MOOCs) with extensive features.