Open Standards
http://sourceforge.net/projects/door
DOOR (Digital Open Object Repository) is a free learning object repository implementing IMS metadata and content package specifications. It's usefull to all organizations producing, storing and reusing digital learning contents.
http://www.imsglobal.org
IMS Global Consortium Inc, develops and promotes the adoption of open technical specifications for interoperable learning technology. Several IMS specifications have become worldwide standards for delivering learning products and services.
http://www.oasis-open.org
OASIS (Organization for the Advancement of Structured Information Standards) is a not-for-profit, international consortium that drives the development, convergence, and adoption of e-business standards.
http://www.odfalliance.org
A standard for office documents that will be compatible between both open and proprietary applications.
http://www.adlnet.gov
The Advanced Distributed Learning initiative maintains the Sharable Content Object Reference Model (SCORM.) This is a collection of standards and specifications adapted from multiple sources to provide a comprehensive suite of e-learning capabilities.
http://www.scorm.com/pages/resources.aspx
A page of resource links for SCORM developers and users provided by Rustici Software.
https://www.hosted-projects.com/trac/sif/tinyzis
The goal of this project is to bootstrap Schools Interoperability Framework (SIF) development by the open source community by creating a simple, accessible and free implementation of a SIF Zone Integration Server.
http://www.sifinfo.org
Schools Interoperability Framework Association (SIFA) is a non-profit membership organization comprised of software vendors, school districts, state departments of education, and other organizations active in K-12 markets.
http://simile.mit.edu
SIMILE seeks to enhance inter-operability among digital assets, schemata/vocabularies/ontologies, metadata, and services.