www.1188.lv Lists virtually every establishment in Rīga and the rest of Latvia. The Latvian language setting yields the most search results. The search engine also provides up-to-date information on nightlife and traffic.
www.rigaoutthere.com A site managed by a locally run tour operator and featuring a handy travel planner in the right-hand column.
www.zl.lv Another excellent Latvian database offering detailed information about businesses in Rīga and the entire country.