From MWCSWiki

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In general, Semantic Wikis posses a few key differences from other RDF Browsers and Editors. SemWikis tend to aggregate their information serverside, and allow web clients to only peruse the information stored in each individual wiki. The following entries are a sampling of the current state of Semantic Wikis on the web today.

1)KiWi

"a collaborative, web-based environment (the "KiWi system") that provides support for knowledge sharing, knowledge creation, and coordination in software and project knowledge management"[1][2]

2)Semantic Wikipedia

• A project to combine Semantic Wed data and Wikipedia so that semantic search functionality can be used on Wikipedia information.
• Semantic Wikipedia aims to annotate free text with rdf/meta tags so that pages may be linked semantically for richer queryability.

3)Rhizome

• potentially defunct Semantic Wiki, hasn't been updated in over a year.Rhizome is is/was a wikiesque system which allowed users to edit all features of site navigation and content with RDF information. Rhizome was "designed to enable non-technical users to create these representations in an easy, ad-hoc manner"[3].[4]

4)Ikewiki

• now defunct, replaced by KiWi, Ikewiki was a "Java-based semantic wiki engine"[5]. The system had the intention of allowing users to markup free text with Wiki syntax to allow for RDF embedding. Interestingly enough, Ikewiki did not support provenance of "formalized content"(meta tags)

5)PlatypusWiki

• potentially defunct Semantic Wiki, hasn't been updated in over a year. "Platypus Wiki is a project to develop an enhanced Wiki Wiki Web with ideas borrowed from the Semantic Web.It offers a simple user interface to create wiki pages with metadata based on W3C standards." This is "Free-text Cake"[6]

6)OntoWiki

• Onto wiki is different from most of the other entries in this list in that instead of allowing the user to annotate Free-text with RDF and other Meta-data tags, it requires the user to create a Wiki-esque page solely comprised of RDF data.

7)AceWiki

• Acewiki's goal is to make editing of semantics in a wiki as easy as possible for the layman, allowing users to modify meta-data without the use of RDF syntax.[7]

8)Knoodl

• Knoodl is a "web-based, collaborative ontology editor". I uses both meta-tagged freetext and pure semantic elements to allow users to create "Communities". However, since Knoodl is primarily considered an Ontology editor, it is less relevant to our interests than other entries on this list.[8]

9)Subleme

• Subleme's motive is to make semantically annotated free text easy for the user to create. RDF in subleme is based solely on the 'is-a' relationship. In relation to us, Subleme seems both oversimplified, as well as primarily "Free-text-Cake". [9]

10) SMORE (see RDF_browser/editors page.)

11) Loomp (see RDF_browser/editors page.)

The following is a list of Active/Defunct Semantic Wikis:[10]