search engines

Search engine implementations that index microformats across the web (i.e. not just on their own site). Alphabetical within status/stability.

web search

General web search. Search engines that index websites in general using microformats.

Google search supports rel-nofollow, hCard, hReview, hReview aggregate, hProduct (since 2009-05 for [rich snippets]) in main search. Through additional interfaces:
- Google Advanced Search - Usage rights supports rel-license (since 2005(?) citation needed)
- Google Social Graph API supports XFN (launched 2008 February). See "Google Social Graph API How are your sites connected?".
Yahoo search supports rel-nofollow. Through additional interfaces:
- Yahoo Creative Commons search supports rel-license
- Yahoo Search BOSS
  - Build a semantic Search Engine with BOSS documents how to use Yahoo's BOSS API to access Yahoo Search Monkey which supports the hAtom, hCalendar, hCard, hReview, XFN, geo, rel-tag, adr microformats.
- Yahoo Search Monkey (hCard, hCalendar, hReview, hAtom, others) - launched 2008 May

Editor note: Google and Yahoo search engines could probably use their own pages with implementation details and links to additional resources.

blog search

Search blog posts and blogs in general. Search engines that specifically index blogs, blog posts, and other realtime sources on the web using microformats.

IceRocket through additional interfaces
- IceRocket Tag search support rel-tag (to search for blog posts tagged with rel-tag).
Technorati (rel-nofollow)
- Technorati Tag Search supports rel-tag (to search for blog posts tagged with rel-tag).

prototype or alpha

socialsearchme

singpolyma social web search (xfn, hCard) part of the diso project.
- memorable URL: http://socialsearchme.com/
- e.g. try a search for Jeremy
- 2008-08-19 DiSo Gets Search - blog post announcing it!

to do

both socialsearchme.com/?q=b and socialsearchme.com/b should redirect/retrieve scrape.singpolyma.net/profile/?q=b.

Technorati Kitchen

Technorati Kitchen
- Technorati contacts search (hCard)
- Technorati events search (hCalendar)

VIREL

VIREL indexes both hCard and hCalendar and provides a user interface (pop-up menu) to choose between searching contacts or events.
- 2008-09-09 Tag Edge: Virel: Microformats Search Engine

search results in microformats

Search engines that publish microformats in their results (but may not necessarily be indexing microformats).

Karniyarik

Karniyarik Vertical Search Engine for Online Products (Stealth Beta). Karniyarik's search results lists products and their vendors, which are marked up with hCard (e.g. search results for bebek bezi - diapers). In addition, Karniyarik's about page is marked up with hCard.

search-engines