TWiki.net, a provider of a commercial open source enterprise collaboration, social networking, and wiki application development platform, announced the general availability of TWiki Community Release 4.3, which includes new security, search, and enterprise collaboration capabilities. The new security enhancement provides added protection against malicious attacks. Enhanced search capabilities enable TWiki users to perform advanced search, including adding footer parameter and topics to formatted searches. Enhanced enterprise collaboration capabilities provide added newsfeeds to TWiki topics. TWiki.org is an open source community consisting of 40,000 members and 4,000 contributors. The TWiki.org open source development model invites the download and inspection by developers, users and partners.