alarmthat
Alarmthat is an open-source, cross-platform alarm and notification system designed to coordinate alerts across devices and services. It lets users set alarms and reminders that trigger across multiple channels, including audio on local devices, push notifications, email, and SMS, and can be extended via APIs and webhooks.
Key features include time-zone aware scheduling, recurring alarms, calendar integrations, templates for alert messages, multi-channel delivery,
Architecture-wise, the system follows a client-server model with a central server storing alarm definitions and delivery
History and development reflect its origins in the open-source community in the early 2020s, focusing on privacy,
Impact and reception emphasize its use by individuals, educational settings, and small teams seeking a flexible