A PHP library and HTTP service that converts geographic coordinates (longitude/latitude) to IANA timezone names using polygon boundary data from the Timezone Boundary Builder project. It requires PHP 8.0+, a database (MySQL or PostgreSQL), and can be deployed via Composer or as a standalone web service.
SqlFlow is a durable workflow execution system for PostgreSQL and SQL Server that manages scheduling, state checkpointing, and retries without requiring external engines like Temporal. It features a simplified database model, native SDKs for multiple languages, and an advanced signaling layer using database events or NATS JetStream to eliminate polling and enable horizontal scaling.