> the protocol has been adopted by Codenvy, who have added it to the next generation Eclipse IDE, Eclipse Che, as well as by Red Hat, who are working to publish a standalone language server for Java which can be consumed by any tool that utilizes the protocol.
> ... communities for programming languages like OmniSharp (C#), JSON, C++, xText, JavaFX, and R have made commitments to release language servers for their languages in the future.
Obviously we'll see if it actually happens, but at least other's are looking to support it.
It's early days but there are a number of organizations working on this. Today one such server was demoed at DevNation by RedHat - Java via the JDT.
omnisharp has already done this, at least specific to their stuff. granted, they are writing front-ends for each editor to integrate with a common language-server like described here, but its the same concept