• Great flexibility in question design
• Customized response validation and error messages
• Conditional branching - ask relevant questions only
• Piping - dynamic questions and texts, based on answers and other data
• Use of predefined skins or stylesheets for survey appearance
• Multiple question and response types
• Include images in questions
• Question library - reuse questions for fast and effortless survey building
• Import/export surveys, questions and respondents in XML

Publication and invitations

• Instant survey publication
• Optional authentication of respondents
• Prevent multiple responses from the same person
• Define start and stop dates for surveys
• Invite respondents using emails
• Automatic email reminders
• Import invitees, with optional custom data
• Export invitees
• Create reusable invitee lists

Reporting

• Summary and comment listing reports instantly available
• Inspect single responses to a survey
• Create complete comment reports for open-ended questions
• Customize reports with charts
• Filtered reports - create powerful reports
• Export response data - for external analysis
• Open database architecture - create your own reports
• Publish your reports using the report portal
• Configurable portal security level

Multilingual application and surveys

• Create a survey with multiple languages
• Supports all character sets including UNICODE
• The Opinio user interface supports the following languages: English, German, French, Spanish, Dutch, Swedish, Danish, Norwegian, and Czeck

Create polls

• Create great looking polls for your web pages
• Use pre-made skins or customize your own poll appearance
• Supports all question types available in Opinio
• Single or multiple question polls
• Let respondents see real-time report charts

Survey-panel management

• Create panels to get better control of respondent recruitment
• Define panelist signup page, to collect demographic and other data
• Panelist portals with survey information (invited, completed)
• Create sample definitions, and use them when inviting people to participate in surveys

User management

• Supports multiple survey creators/publishers
• Highly customizable permission control for users and authors
• Create user groups with limited permissions
• See who is currently online

Enterprise features

• Create survey templates to match the look & feel of your company
• Clustering enables you to run Opinio on multiple servers simultaneously
• Scalable - designed for high loads
• Surveys cached for performance
• Plugin architecture - add your own functionality
• Survey collaboration enables survey commenting

Integration and customization

• Java-API gives access to a wide range of features
• Open database architecture for easier integration

Technology

• Web based administration - no client installations
• Platform independent - based on Java/Servlet technology
• Runs on all major web servers - Apache, Internet Information server (IIS), etc
• Supports all major databases - Oracle, MySql, SQL Server, DB2, PostgreSQL, ...