C Programming Club
- Come and share your current projects, get help to solve a bug or anything related to programming in C or C++.
- http://tech.groups.yahoo.com/group/cprogramming2/

LWG Java/C/C++ User Group
- Programmers will find articles, references, book reviews, an interactive forum and book discounts.
- http://www.lunchwithgeorge.com/lwg_usergroup.php

C++ and Java SIG
- Special Interest Group of the New York PC Users Group, meets on first Thursday of each month in N.Y. City, presents speakers on object-oriented development.
- http://www.cppsig.org/

Association of C and C++ Users: ACCU
- Non-profit organization devoted to professionalism at all levels of C, C++, Java. Community of professional programmers, compiler suppliers, anyone interested in these languages and/or seeking to improve skills. Excellent resource.
- http://www.accu.org/