The Online Learning Consortium is the self-described: "leading professional online learning society devoted to advancing quality e-Education learning into the mainstream of education through its community. Sloan-C is dedicated to providing access to high quality e-Education to individuals, institutions, professional societies and the corporate community."
This links to free surveys and reports on online learning, but there's a lot more there.

Open-access journal of the Sloan-C Consortium with research, best practices, and more on online instruction

"Quality Matters (QM) is a leader in quality assurance for online education and has received national recognition for its peer-based approach to continuous improvement in online education and student learning. The program features:
* Faculty-centered, continuous improvement models for assuring the quality of online courses through peer review
* Professional development workshops and certification courses for instructors and online learning professionals
* Rubrics for applying quality standards to course design."

This links to SBCTC's central e-Learning page with additional links to resources, reports, professional development opportunities, and more.

Multidisciplinary collection of internet resources for pre-school through college.

Multidisciplinary collection of learning objects from Wesleyan, Trinity, and Connecticut College.

One of the largest and oldest multidisciplinary collection of digital learning materials.

Mutlidisciplinary collection of teaching materials

Multidisciplinary collection of learning objects for Wisconsin's 16 technical colleges.