The mission of the Saylor Foundation is to make education freely available to all. Following is the list of online business courses the Foundation offers. You can mine these courses for their syllabi and readings or use entire online units.
You'll find the link to their site at the bottom.
Foundational Business Courseware
BUS101: Introduction to Business
Core Program
BUS103: Introduction to Financial Accounting
BUS105: Managerial Accounting
BUS200/ECON101: Principles of Microeconomics
BUS201/ECON102: Principles of Macroeconomics
BUS202: Principles of Finance
BUS203: Principles of Marketing
BUS204: Business Statistics
BUS205: Business Law and Ethics
BUS206: Management Information Systems
BUS208: Principles of Management
BUS209: Organizational Behavior
BUS210: Corporate Communication
Elective Courses
BUS300: Operations Management
BUS301: Human Resource Management
BUS303: Strategic Information Technology
BUS305: Small Business Management
BUS306: Advertising and Promotion
BUS401: Management Leadership
BUS402: Project Management
BUS403: Negotiations and Conflict Management
BUS404: Risk Management
BUS501: Strategic Management