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RDT (Ruby Development Tool) seems to be the preferred plugin for adding Ruby support to Eclipse. However, I see that the main developer on that project has joined Aptana RadRails. Does this mean that project is no longer up-to-date for Ruby in Eclipse?
If so, which plugin is the preferred and best choice these days?
Try the Dynamic Languages Toolkit for Ruby. It's available from Eclipse's Software Updates panel.
Update May 2020: Ruby support was dropped in DLTK 6.0 in favour of Eclipse Solargraph.
Good question. I've used Aptana/radrails, and that's definitely one to steer clear of.
It writes a database in whatever directory you happen to start Eclipse from, and generally takes over Eclipse, changing a lot of useful key bindings.
One of the most irritating things is that Ctrl-1 stops working in Java files, and that's a hotkey I use all the time.
I'm looking forward to hearing people's answers on this one, because I'd like to know of a good one.
I have used Aptana/RadRails in the past and thouroghly enjoyed it. I suggest giving it a try. There is a standalone Eclipse plugin available that supports non-Rails projects decently as well if that's what you're going for.
My only experience with Eclipse was through Aptana, however, so there may be other considerations.
