Collablog 是一個 網際網路內容出版系統，也是一種內容管理系統（CMS），是以 PHP語言撰寫，並搭配 MySQL 資料庫使用。
Collablog是提供給企業、教育事業或個人部落格、網站之用，具備更新內容簡便的特性。它的設計思維是期望提供互動且協同式內容的創造性，以及讓部落格應用更簡單。
Collablog目前仍在進行開發與改進，優格網在測試使用中。
主要的功能如下：
* Colorative content creation.
* Universal portal page in Collablog Portal.
* Multi members with same blog entry page in Collablog Community.
* Supports modules, templates.
* Supports Free area, plugins.
* Supports RDF 1.0, ATOM 0.3 and RSS 2.0 Syndication formats
* Supports comments with verification Code.
* Supports Trackback.
* Supports spam filter.
* Supports search with highlight results.
* Display RSS feeds on most of pages, such as forum, album, archive, articale, category, etc.
* Supports Podcast.
* Built-in site stat info.
* Built-in reference link info.
* Supports Podcast.
* Supports LDAP .
* Supports email verification.
* Post entries to multiple categories.
* Post Scheduling: post at designated time.
* Built-in Cal module with day planning and social networking.
* Built-in Album module with easy upload function, same as collablog itself.
* Built-in Forum module with simple style discussion and RSS.
* Built-in List module for todo list.
