There are many alternatives to VMware Workstation Player for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is VirtualBox, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to VMware Workstation Player and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to VMware Workstation Player are WinBoat, QEMU, VMware Workstation Pro and KVM (Kernel-based Virtual Machine).
Open source but problems with 3D accelerations (works better in VMWare for me).