Sakai offers a variety of capabilities for use in course and project sites, including:
| Home | View recent announcements, discussions, and chat activity | 
| Announcements | Post current, time-critical information | 
| Assignments | Post assignments and receive submissions online | 
| Basiclti | Launch and exchange information with externally-hosted tools | 
| Chat Room | Participate in real-time, written conversations | 
| Drop Box | Allow private file-sharing between instructors and students | 
| Entity Broker | Provides a set of RESTful APIs that support interoperability between Sakai tools. | 
| Email Archive | Maintain an archive of all email sent to the worksite's email list | 
| Gradebook | Compute and store grades | 
| Help | Access help documentation | 
| Linktool | Support for linking to external tools | 
| Membership | Choose sites in which you would like to participate | 
| Messages and Forums | Create discussion forums and communicate between site groups and users using internal mail. | 
| News | Display an RSS feed from an external site | 
| Podcasts | View podcasts | 
| Polls | Create site-based surveys and polls | 
| Portfolios | Supports portfolio-based activities with a suite of tools | 
| Post'em | Provides functionality for uploading .csv formatted files to display feedback (e.g., comments, grades) to site participants. | 
| Preferences | Set your personal preferences, such as time zone, tab order | 
| Profile | Provides a Facebook-style interface for editing user profiles; includes Twitter integration | 
| Quartz Scheduler | Schedule and run cron jobs | 
| Resources | Add documents and URLs to your worksite | 
| Roster | View list of site participants | 
| Schedule | Keep track of important dates and deadlines on worksite calendar | 
| Search | Provides search capabilities of Sakai content | 
| Section Info | Manage sections or groups within a site | 
| Shortened URL Service | A simple service that allows tools and services to shorten links to anything, either via the Java-based service or the Entity Provider. | 
| Site Info | View worksite profile and participants list | 
| Site Stats | View site usage statistics | 
| Syllabus | Create a worksite syllabus | 
| Tests & Quizzes | Create, administer, and correct tests and quizzes online, and automatically feed the results to the Gradebook | 
| Web Content | Include external website content in your worksite | 
| Wiki | Collaboratively edit simple web pages | 
| Worksite Setup | Create and manage sites | 
| Webservices | Includes a rich collection of web services for system admins | 
The information displayed here can be modified by the Sakai Administrator by editing the !gateway site.