Here is a list of implementations: http://www.packetizer.com/webfinger/
- Go: https://github.com/ant0ine/go-webfinger (Draft 5)
- NodeJS: https://npmjs.org/package/webfinger (Draft 9 and fallback to host-meta)
- Pear Package: http://pear.php.net/package/Net_WebFinger/ (Draft 13 and fallback to host-meta)
- Webfinger: http://www.packetizer.com/webfinger/
- JRD: http://www.packetizer.com/json/jrd/
- Set up Webfinger: http://www.packetizer.com/webfinger/server.html
- Alternate link relations: http://www.packetizer.com/webfinger/link_relations.html
- Webfinger via mod_rewrite: http://aaronparecki.com/notes/2013/06/23/2/indieweb
(Perhaps we could ask Paul E. Jones if we could use some of his texts as a start for webfinger.net)
- http://client.webfinger.net/lookup (latest spec)
- http://webfingerclient-dclinton.appspot.com (host-meta)
- http://webfinger.org (host-meta)
- http://identengine.com