- HPC Journal Club: The High-Performance Computing Journal Club meets every other week to discuss key papers in the field and the work of research groups around Harvard leveraging HPC. Find announcements, copies of papers and mailing-list signup at the club's homepage.
- Harvard College Mathematica Club: This club for undergraduates has now been recognized as a Harvard College student organization.
The IACS Computational Challenge: The first year, student teams competed to find the best solution to optimizing the deployment of resources in a humanitarian disaster. The second year, teams competed in computational foosball. Pure midwinter fun.