AContent vs LON-CAPA

AContent is an open source learning content management system for creating accessible, adaptive web-based learning materials. It can be used with learning management systems to develop, share, and archive lessons. Authors can make elearning content, tests or quizzes, activities, and AccessForAll adaptations. The system imports and exports IMS Common Cartridge, IMS Content Packaging, and IMS QTI. Its Web Service API lets third-party software search, preview, import, and export repository content, while an OAuth API supports single sign-on with a connected host system. Listed accessibility standards include WCAG 1.0 and 2.0, ATAG 2.0, US Section 508, and ISO/IEC 24751. Public users can search, browse, and export public repository content; registered users can bookmark lessons; authors create content; administrators manage users and groups. AContent is free and self-hosted, with web access and API support. It is distributed as a 6.5 MB TGZ, and installation requirements are stated to match ATutor's. The downloads page identifies version 1.4 as the latest stable release.

LON-CAPA is a course management, learning content management, and assessment system made for education. It provides course materials, discussions, announcements, a grade book, lab scheduling, portfolio space, and assessment tools for homework, clickers, tests, and exams. Online content can be reused across courses and semesters, with access rights managed within the system. Campus options include Shibboleth or Sentinel single sign-on and password verification through Kerberos, LDAP, or Active Directory. Integration features include XML exchange for course creation and population, directory integration, and portal token exchange. Users can access it with most browsers on most platforms, but the server software runs on Linux. Supported distributions include Red Hat Enterprise Linux, Debian, Ubuntu, and AlmaLinux. The free self-hosted software requires ongoing maintenance; the maker recommends a dedicated Linux server, a static IP with working reverse DNS, and open ports 80 and 5663. Cluster members handle updates, access controls, and protection of shared resources. Commercial hosting and support are available, with no price listed.