Neither Otus nor Source LMS offers a free trial.
Otus is designed for Medium Business and Small Business.
Source LMS is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of Source LMS begins at $5/Month, while pricing details for Otus are unavailable.
Some top alternatives to Otus includes Trainual, TalentLMS, Brightspace, Canvas LMS, Source LMS, Sakai, itslearning, eloomi, viLMS, SMART Learning Suite and PowerLMS.
Some top alternatives to Source LMS includes Trainual, WizIQ, TalentLMS, Brightspace, Edmodo, Canvas LMS, LEARNSOD, eloomi, Simplify LMS, Lessonspace and PowerLMS.