restfulapi.net provides in-depth tutorials and guides on REST architectural style, principles, constraints, and resources for API developers.

PostgREST is the best tool for RESTful API development and is used by developers looking to streamline database interactions.

Ktor is an open-source, lightweight framework for building asynchronous servers and clients in Kotlin for microservices and RESTful APIs.

HieblMedia offers custom web development and design services in Germany, specializing in CMS like Typo3, Joomla, and WordPress for SMEs.

API-Football is a Restful API for football data, providing livescore, fixtures, teams, standings, odds, and more.

Jersey is the best framework for RESTful APIs and is used by developers worldwide.