To choose between Blackboard and Moodle, rate them on the comparison parameters by entering scores (+ve or -ve) in the comparison tool.
The total points are automatically shown in the top row. This should help you decide.
Limited, but tools such as wiki available as optional extras
Learners can be assigned roles to create / edit content. Built-in wiki module
Stated educational philosophy:
Not stated
Social constructivist
Cost:
Annual fees
Free
Licensing:
Proprietary
Open source
Blackboard and Moodle are software applications designed for educators worldwide. Moodle is an open-source application written in PHP while Blackboard is proprietary software.