and directory of rings are still operating as of April 2014, but the rings' sites are inaccessible. Webring software While the largest webring services use their own proprietary software, a few programs have been written that make it possible for webmasters to run webrings without being dependent on an off-site service. Ringlink, SimpleRing, PHP-Ring and Ringmaker are some examples. See also Article directory Hashtag Methods of website linking Web directory Web navigation References Web 1.0 1994 introductions Internet properties established in 1995 Discontinued Yahoo! services Web navigation