COIN-OR Solvers
- Bonmin version 1.7.4
- Cbc version 2.8.8
- New: Couenne (Convex Over and Under ENvelopes for Nonlinear Estimation), a COIN-OR solver for Mixed-Integer Nonlinear Programming (MINLP) problems, version 0.4.7
- Ipopt version 3.11.8
All binaries are available for download from the AMPL Open-Source Downloads page.