Easy, fast, and now freeware : Gile(s)

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what is gile[s]? gile[s] is a global illumination / radiosity lightmapper, capable of rendering high resolution lightmaps fast and efficiently.

gile[s] features an easy to use editor, that allows you to place models and lights without fuss.

gile[s] handles models of arbitrary complexity keeping smoothing groups intact, and rendering perfect results every time.

With gile[s] you can even paint directly to the lightmap, and mix and match vertex lighting and lightmaps as you please.

In short: gile[s] lights up your worlds.

http://www.frecle.net/index.php?show=&section=giles&sub=features