Commercial Plugins
Send Survey Response
Admin moduleSends completed survey responses by email as soon as they are submitted. Supports multiple recipients per survey, letting different teams receive notifications for different surveys.
LDAP User Authentication
Opinio securityAuthenticates Opinio admin users (authors) against an LDAP directory. Users log in with their existing directory credentials — access is granted when the username and password match an entry in LDAP and the user exists in Opinio.
Survey LDAP Authentication
Survey securityAuthenticates survey respondents against an LDAP directory before allowing access to a survey. Respondents are prompted for their directory credentials — only users found in LDAP are granted entry.
Quiz Plugin
Survey moduleTurns a survey into a scored quiz. When a respondent completes the survey, the plugin calculates a score based on the number of correct answers. Administrators can configure question weights, score ranges, and designate a response as the answer key.
Read more →Free Plugins
Free Text Validator
Survey moduleValidates the length of free-text responses. Integrates directly into the question-design screen and looks like a native Opinio feature.
Download .zipFree Text Required Validator
Survey moduleChecks that open-ended questions have been answered before the respondent can proceed. Displays a configurable message prompting them to fill in the field.
Download .zipMatrix Sum Validator
Survey moduleSums numeric values entered across all cells in a matrix question and validates the total against configurable limits. Supports both integer and decimal cell types.
Download .zipMax Percentage Validator
Survey moduleCounts the integer values across all matrix cells and fails validation if the sum exceeds a configured maximum. Useful for percentage-based allocation questions that must not exceed 100.
Download .zipExecute Select
Admin module
Adds an admin panel where you can run arbitrary SQL SELECT statements against the Opinio database. The plugin remembers the last statement between sessions, making it convenient for repeated diagnostic queries.
Build your own plugin
Opinio's plugin API lets you hook into question design, survey rendering, validation, and administration screens. Plugins ship as standard Java JARs and install without restarting the server.