Homepage Custom logo in header; left sidebar lists child pages and folders; editable content in center pane; right-sidebar lists starred items, active labels, and recent changes; consistent page header includes search box.
Editor Toolbar with typical word processing controls; WYSIWYG edit area that auto grows as your content grows; simple image embedding; ability to link to wiki pages and attached files; page auto-locks for editing as a change is made.
Gallery Uploaded images in a gallery presentation; uploaded images are processed for fast-load thumbnailing; images are linked to dedicated wiki pages that display a large image, along with its meta-data.
Files Wiki page with attached files; files are listed in a table that is sortable (in browser) via its column headers; editable content pane above files; labels can be applied to the entire page, or indiviudal files; the entire page or individual files can be starred as a personal bookmark; file content is indexed by the search-engine.
History Version history of wiki page content. Easy navigation through all previous versions, with the previous version content previewable in right hand pane; view edit summaries against each version; easily revert content to a previous version.
Security Access Control List (ACL) enabled wiki page security. Simple interface for restricting or granting page access by adding read and write permissions to an access control list. Permissions can be applied by individual user or team. Permissions can be propagated to all child pages under the current page. New child pages automatically inherit the permissions of the parent.
Sitemap Dynamically generated sitemap of all wiki pages. Visualization of entire wiki structure. Large sitemaps can be collapsed at tree nodes for easy navigation.
Directory Dynamically generated directory of all users. User's names are linked to their homepages if they have created one. Wiki administrators are indicated by icons. User's email addresses are linked for easy emailing. Hyperlink to email all users of the wiki.
To-do Lists Example of a ClearWiki to-do list. Items or tasks can be added to a 'things to do table'. Completed items are displayed underneath. Items can be uncompleted if completed in error. A to-do list can be either private (personal) to the user that created it, or accessible to all users.