spring-boot-3-microservices-course by SaiUpadhyayula

BookLore: A self-hosted, multi-user digital library with smart shelves, auto metadata, Kobo & KOReader sync, BookDrop imports, OPDS support, and a built-in reader for EPUB, PDF, and comics. Maintained by booklore-app on GitHub, where it has earned 818 stars from the community.

Hands-On Workshop for OAuth 2.0 and OpenID Connect 1.0. Maintained by andifalk on GitHub, where it has earned 93 stars from the community.

Reddit clone built using Spring Boot, Spring Security with JWT Authentication, Spring Data JPA with MySQL, Spring MVC. The frontend is built using Angular - You can find the frontend source code here - https://github.com/SaiUpadhyayula/angular-reddit-clone. Maintained by SaiUpadhyayula on GitHub, where it has earned 725 stars from the community.