I'm looking for a forum software which can run on a regular LAMP server (preferably). But the main requirement is that the end-users shouldn't need to register etc. Just let them login with an openID provider.

Don't get me wrong (the title says registration)

So a new user visits, wants to post, shouldn't need to register, just redirect to openID provider for authentication and allow to post. Basically common-sense usability which no forum provides currently (AFAIK). No registration, just login.

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BTW serverfault allowed me easy posting without registration. What CMS does serverfault use? – Shivanand Sharma Apr 15 '11 at 3:39
Welcome to Server Fault! Unfortunately product recommendations are off-topic here, as they are not only subjective but can become very irrelevant very quickly. In future when other people browse this question, the information will possibly be out of date or factually incorrect, and we don't like misinformation here. – Ben Pilbrow Apr 15 '11 at 7:05
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closed as off topic by coredump, Ben Pilbrow, Iain, Chopper3 Apr 15 '11 at 7:36

Questions on Server Fault are expected to generally relate to servers, networking, or desktop infrastructure, within the scope defined in the faq.

1 Answer

Go for Drupal and add the OpenID Selector module. Engineered Web blog talks specifically on how to use the Drupal OpenID Selector module to emulate StackExchange (StackOverflow). Here is how it looks: enter image description here

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even drupla OpenID with OpenID selector module requires a registration. I settled with bb_press, with my own implementation for seamless login with any OpenID provider, overriding registrations altogether. I called it Character Theme for bbPress. – Shivanand Sharma Apr 22 '11 at 4:27
Great. bb_press looks interesting – Fergus Apr 22 '11 at 19:48
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