What are some alternatives?
SU2 - The open source CFD code.
AerServ - AerServ offers monetization solution for mobile publishers.
OpenFOAM - OpenFOAM® - Official home of The Open Source Computational Fluid Dynamics (CFD) Toolbox.
MoPub - MoPub is a mobile monetization platform that helps publishers drive more revenue from advertising and mobile transactions.
simFlow - SimFlow is a powerful CFD software, focused on engineering and science.
Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.