- AMPL Solver Library version 20140617: changelog
- Gecode version 4.2.1
- JaCoP version 4.1: announcement
COIN-OR Solvers
- New: Bonmin, an open-source solver for general mixed integer nonlinear programming (MINLP) problems, version 1.7.4
- Cbc version 2.8.8
- Ipopt version 3.11.8
All binaries are available for download from the AMPL Open-Source Downloads page.