The CMMI for Development, (CMMI-DEV) model is a collection of best practices that organizations follow to improve the effectiveness, efficiency, and quality of their product and service development work.

Official translations of CMMI models into languages other than English are available.

The model is also available in the book CMMI for Development: Guidelines for Process Integration and Product Improvement, 3rd Edition as part of the SEI Series in Software Engineering. The book includes the complete model itself, updated tips, hints, and cross-references; new and updated perspectives essays the share brief but valuable insights; four new case studies; and five new essays with practical advice for adopting and using CMMI-DEV. You can purchase it and many other books about CMMI at most book retailers.

The 12-page CMMI for Development Quick Reference provides a complete summary of the model’s goals, practices, and process area purpose statements.

Process Improvement for All: What to Expect from CMMI Version 1.3, an article published by CrossTalk, describes the improvements made to CMMI with the release of Version 1.3.

Additional Customer-Provided Information

There is a large collection of articles, books, presentations, and white papers about CMMI and related topics in the SEI's Software Engineering Information Repository (SEIR). This collection includes categories of information such as General Information, FAQ/News Groups, Benefits/Case Studies, and Implementation (including Lessons Learned). The repository requires registration and is free.