Pyze maintains curated resources for developers. We updated the resources a couple of months back and removed resources that are outdated. Some dated but useful resources are available under the archived section.
An Incomplete list of iOS, tvOS & watchOS resources for mobile app publishers
The curated list of iOS resources should be useful to iOS developers and app publishers.
Help us complete the list by contacting us at firstname.lastname@example.org if we should add an active resource (or remove an inactive resource) or if we have not credited the sources accurately.