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Claper

The ultimate tool to interact with your audience

Alternative to: slido, mentimeter, ahaslides

Claper screenshot

About Versions (22)

v2.5.1

2026-05-08

Updated JS dependencies to address high CVEs and fixed an issue where form submissions lost values for fields with special characters.

v2.5.0

2026-05-08

Introduces audit logs and implements multiple security fixes for XSS, IDOR, and DoS vulnerabilities, alongside various stability improvements and OIDC compatibility fixes.

v2.4.0

2025-12-26

Introduces an admin panel, user roles, expanded S3 configuration, and various dependency upgrades and fixes.

v2.3.2

2025-07-02

This update introduces PKCE support for OpenID Connect and resolves various bugs related to UI layouts, quiz counting, embed deletions, and input validation.

v2.3.1

2025-01-03

This update improves presentation performance, quiz exporting, and layout stability, while adding clickable hyperlinks and a forced login option for quiz submissions.

v2.3.0

2024-12-28

Introduces quiz interactions with LTI AGS/QTI support, a new reports view with CSV export, and asynchronous job processing via Oban.

v2.2.0

2024-12-07

Introduces a duplicate feature for finished events, Italian translation, and email confirmation settings, alongside various performance improvements and bug fixes.

v2.1.1

2024-10-05

This update includes various bug fixes for OIDC, messaging, and polls, alongside performance optimizations for event attendee management.

v2.1.0

2024-08-23

v2.0.1

2024-06-28

This release introduces Dutch translation, a dynamic presenter view layout, and various fixes for responsiveness, embed integration, and user validation.

v2.0.0

2024-04-26

This release introduces new manager and attendee features, adds a Spanish locale, improves Docker support, and updates environment variables.

v1.7.0

2023-12-09

Added keyboard shortcuts, embed interactions, pinned messages, reset password functionality, a Postmark adapter, and security updates.

v1.6.0

2023-10-07

This update improves QR code readability, adds ARM Docker support, refactors runtime configuration, and fixes various mobile UI and validation bugs.

v1.5.0

2023-08-11

Introduces a nickname feature, German locale, and QR code instructions, while updating TailwindCSS and security patches for Moment.js.

v1.4.1

2023-07-02

Introduced the GS_JPG_RESOLUTION environment variable for PDF-to-JPG resolution configuration and fixed an issue where MAX_FILE_SIZE_MB was not updating.

v1.4.0

2023-04-21

Upgraded to Phoenix 1.7 and Liveview 0.18, added multiple choice polls, interaction imports, file size limits, and message deactivation.

v1.3.0

2023-02-27

Introduces a new Form feature for public data collection and enhances Docker Compose documentation and references.

v1.2.1

2023-01-30

Fixed a 400 error affecting the presenter URL in production.

v1.2.0

2023-01-30

Added a password change form to settings and expanded production deployment documentation.

v1.1.1

2022-09-05

Added mailbox route environment variables for configuration and restricted the user registration route based on account creation settings.

v1.1.0

2022-09-05

Introduced password authentication and a new account creation environment variable, while removing passwordless authentication and disabling email verification.

v1.0.0

2022-07-29