Licenses & Attributions for Roll Call
Roll Call is developed by John Kenneth Fisher under the Sidelark Labs name.
This page provides information about third-party software, bundled audio assets, licenses, and credits used in Roll Call.
Roll Call Software and Materials
Roll Call and its source code are proprietary software owned by John Kenneth Fisher under the Sidelark Labs name, except for third-party components and materials identified below.
Copyright © 2026 Sidelark Labs, John Kenneth Fisher.
The Roll Call name, app icon, branding, interface designs, graphics, website content, and other original Roll Call materials are not licensed for reuse except where expressly permitted by John Kenneth Fisher or required by an applicable third-party license.
Nothing on this page grants permission to copy, distribute, modify, publish, or create derivative works from Roll Call or its source code.
Third-Party Materials
Roll Call includes or uses software, audio, and other materials created by third parties.
These materials remain subject to their respective licenses and terms. Nothing on this page changes or replaces the rights granted by their respective owners.
Third-Party Software
ZIPFoundation
Version: 0.9.20
Developer: Thomas Zoechling and contributors
License: MIT License
ZIPFoundation is used by Roll Call for ZIP archive handling.
The ZIPFoundation software remains subject to its MIT License and associated copyright notice.
TelemetryDeck
Roll Call uses the TelemetryDeck Swift SDK to provide privacy-focused anonymous usage analytics.
TelemetryDeck is a third-party service and software component. Its software and services remain subject to their applicable licenses, terms, and privacy policies.
For information about what Roll Call sends through TelemetryDeck and how Anonymous Usage Analytics can be disabled, see the Roll Call Privacy Policy.
Bundled Audio Assets
Roll Call includes bundled general crowd sound effects obtained from Mixkit.
Provider: Mixkit
License: Mixkit Sound Effects Free License
The Mixkit Sound Effects Free License permits covered sound effects to be used in commercial and noncommercial projects. Mixkit states that attribution is not required.
Roll Call currently includes the following Mixkit-derived sounds:
Small Cheer
Source title: Small group cheer and applause
Victory Roar
Source title: Huge crowd cheering victory
Stadium Burst
Source title: Stadium joy shouting crowd
Rhythmic Clap
Source title: Rhythmic applause and cheering
Whistle Pop
Source title: Male crowd cheering short
These sound effects remain subject to Mixkit’s applicable license and terms and are not owned by Sidelark Labs.
Apple Technologies
Roll Call uses Apple-provided technologies, frameworks, and services as part of the iOS platform.
These may include technologies related to Apple Music, Photos, media playback, image analysis, system sharing, App Intents, device storage, and other iOS functionality.
Apple technologies and services remain subject to Apple’s applicable licenses, terms, and policies.
Special Thanks
Special thanks to the girls of the Piscataway Thunder Softball Team.
Questions
For questions about Roll Call licensing, permissions, or attributions, contact: