OPENBLOX has been replaced with ob-framework. This engine can simulate 2016L, 2016M, 2016E, 2015L, 2015M, 2015E, 2014L, 2014M, and 2014E. (for now) https://www.roblox.com/library/7467219669/OPENBLOX-Framework
Why do you think that https://github.com/Epix-Incorporated/Adonis is a good alternative to ob-framework