Total Recommendations: 1
If you liked
Texhnolyze
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...then you might like
Serial Experiments Lain
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Definitely most similar anime in atmosphere of all listed here, should be at first place imo. Similar melancholic, lonely style if thats what you are looking for although its not the same thing... There is nothing like lain. ;) If you read manga and like steam/cyber punk try blame! manga too.