This is the latest stable build of Arduino Eclipse IDE and it's available as a product and a plugin: pick the one you prefer!

Product bundle

 

Strongly advised when you are new to the Arduino eclipse IDE.

This is the simplest way to start using Arduino Eclipse as it bundles in one single download a complete setup including a stable version of the Eclipse CDT and the latest stable build of our great Arduino eclipse IDE!

If you have download issues try another browser. Firefox seems to work fine on all oses. chrome seems to have issues.
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Plugin update site

 

If you want to pick a different version of the Eclipse CDT than the one included in the product bundle or you want to add the Arduino Eclipse plugin to an existing installation this is the way to go.

http://eclipse.baeyens.it/update/V4/stable

Watch these V3.x new and noteworthy video's to get a quick start: (V4 video's are not yet released)