Tech-Devil's Stars
donnemartin/system-design-primer
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
kamranahmedse/developer-roadmap
Interactive roadmaps, guides and other educational content to help developers grow in their careers.
codepath/android_guides
Extensive Open-Source Guides for Android Developers
android/uamp
A sample audio app for Android
ramboxapp/community-edition
Free and Open Source messaging and emailing app that combines common web applications into one.
SundeepK/CompactCalendarView
An android library which provides a compact calendar view much like the one used in google calenders.
square/retrofit
A type-safe HTTP client for Android and the JVM
ajv-validator/ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)