LTSP is described as 'The Linux Terminal Server Project adds thin-client support to Linux servers. LTSP is a flexible, cost effective solution that is empowering schools, businesses, and organizations all over the world to easily install and deploy desktop workstations'. There are four alternatives to LTSP for Linux and Windows. The best alternative is DRBL, which is both free and Open Source. Other great apps like LTSP are Userful Multiplatform (Freemium), BeTwin (Paid) and openThinClient (Free, Open Source).
DRBL (Diskless Remote Boot in Linux) is a free software, open source solution to managing the deployment of the GNU/Linux operating system across many clients. Imagine the time required to install GNU/Linux on 40, 30, or even 10 client machines individually!
Streamline the deployment and management of a variety of digital displays with the simplest desktop virtualization software. Replace numerous physical PCs with affordable, low-wattage zero client devices all easily managed from one server.
BeTwin is a software that enables two to five users to share the computing power of a single computer. It creates a virtual PC station for each user to simultaneously and independently operate in each station. Installation is simple.