Mobius SLIP vs WebPA

Mobius SLIP is a web-based social learning system for creating, reviewing, and critiquing assignments. Each assignment moves through Submission, Review, and Reaction: students submit work, assess peers' work, then respond to the reviews they receive. Students take both author and reviewer roles, and the process is anonymous unless the instructor directs otherwise. Analytics cover attainment, bias, controversy, and self-assessment accuracy for both roles. Suggested peer grades depend on review reliability, and instructors can override them. Instructors can monitor activity in real time, review work, provide feedback, and use course and assignment analytics to guide students. There is no stated cap on courses. Each student may upload one file of up to 10MB; videos must be hosted elsewhere and submitted as links. Students register with an instructor-provided code and a college or university email address. Instructors can upload a roster or allow self-enrollment, and students confirm registration by paying a registration fee. The product is paid, with pricing available on request, and instructor demos can be requested.

WebPA is an open-source, self-hosted web system for peer and self-assessment in higher-education group work. It combines peer assessments, self-assessments, and a group mark to calculate individual grades, with rubric scoring and moderation tools. Administrators download the application and configure a local instance, database credentials, and environment variables. The latest version lists PHP 7.4 or 8.0 with MySQLi, Sessions, and XML extensions enabled; Composer and the repository release page provide download routes. Standard installation does not include LTI support, but a separate connector can link WebPA with LTI-compliant environments such as Blackboard Learn, WebCT, and Moodle. Where services are available, it can synchronize memberships, groups, grades, outcomes, settings, enrolments, and timestamps; Moodle and Canvas membership and group services can use their APIs. WebPA is free and licensed under GNU GPL version 3. Loughborough support has ended, with archived documentation on GitHub and community support directed to the JISC mailing list.