Solutions, better

This simple lightweight SQL-Editor Eclipse IDE plugin provides syntax highlighting of sql code and outline view. Author planning to add code-completition, code-folding.

People still have problems with maintaining their Eclipse installation and even with installing plugins. Recently I came across headache-free solution for those, who like to “set-and-forget-it” — Yoxos.
Yoxos includes the Release Eclipse 3.1.2 with a large selection of open source software that can be used on top of Eclipse. [...]

eclipse ide workspace customization opensource software If you need some custom filters, here's the solution: Locate eclipse\plugins\org.eclipse.ui.ide_3.1.0.jar (you can have different version, though), there you can find file named plugin.xml. Look for tag, then add your filters: Use selected="true" if you want custom resource file filter be enabled by default. Example file for hiding most types of backup [...]

javascript ide eclipse plugin web20 web-20 ajax JSEclipse — (still) free and neat javascript editor, distributed as a plugin for Eclipse IDE.
Pros: Code outline is the best I’ve ever seen, syntax checking, support of popular javascript “Web 2.0″ libraries / frameworks like Dojo and Prototype.
Cons: Lacks source formatting and debugging (but its possible to debug [...]