Is there a good translation site and software to replace Google Translate?

I’m looking for sites, software, apps and Firefox add-ons to replace Google Translate, is there any good site? I value privacy and security and i’d like to ask you not to track your ads.

I use
if I want to look up certain words, but it cant to full text translations as far as I know.

Open source:
Closed source but really good:

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Why not wicktionary? #freeknowledge