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Re:Show HN: Valhalla, an open source routing engine by randyme on Thursday June 04, 2015 @04:16PM (#9661750)
There is no proprietary component, if you want to self-host it's all here: https://github.com/valhalla

But there is a free hosted service (with API signup) for convenience.

Re:Show HN: Valhalla, an open source routing engine by davexunit on Thursday June 04, 2015 @04:19PM (#9661773)
Awesome. Thanks for clarifying.