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> Interesting. Trademark law is probably pretty strong against repositories named "WhatsApp" or something very similar. Using the logo without permission as well.

They probably fall under nominative use, which is an affirmative fair use defense. Describing an API or implementation of XYZ as a "Webclient for XYZ" should be fine.

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Agreed. It's not as if there aren't a zillion other Github repositories using trademarks in their names. Consumers of open source will generally understand the distinction between official libraries and third-party-developed libraries, and if trademark law is reasonable (IANAL), it should accept even "whatsapp" repos as fair use since no "reasonable person" would be confused. But it requires someone willing to fight Facebook, I guess.

Renaming them al "wazaa" should be fine too.

No law is reasonable.

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