Note: please do NOT use your browser to access these p2 repositories directly, there is no web index content being served. Instead add them to the available update sites in your Eclipse/STS preferences or paste them into the "Install New Software" dialog.
STS4 Distribution:
STS4 language server extensions (this repository is meant to be used to ship updates of the language server extensions to existing STS4 installations. In production, the release version of this repository is used.)