ityouknow/spring-boot-book

Spring Boot is an opinionated layer on top of Spring that handles the boilerplate you'd otherwise write for every project — auto-configuration for embedded servers, security, metrics, and health endpoints — so you can ship a runnable JAR with `java -jar` without touching XML. The trade-off is that you're buying into Spring's conventions hard; when your requirements genuinely diverge from the defaults, the "get out of the way" promise only goes so far and you're still digging through Spring's layered configuration model. It genuinely skips code generation and XML, which is rare for a framework this feature-complete, and the Gradle-based build with JDK 25 requirement tells you this is aimed at teams with a modern JVM already in place.

Public APIs is a community-curated GitHub repository listing free, publicly accessible APIs across a wide range of categories, with auth type, HTTPS, and CORS noted for each entry. It's a browsable reference, not a library to install.

Awesome Python is a curated list maintained at vinta/awesome-python that groups Python frameworks, libraries, tools, and other resources into 14 categories, from AI & ML to Security and Other. The README calls it an opinionated guide rather than an exhaustive one, and points readers to a companion site, awesome-python.com, for searching and filtering entries instead of scrolling the raw file.

Awesome-Selfhosted is a community-maintained GitHub list at awesome-selfhosted/awesome-selfhosted that catalogs Free Software network-service and web-app projects meant for running on a server you control rather than someone else's cloud. Entries are grouped by category, each tagged with a license and a language or deployment option, and the project keeps proprietary alternatives on a separate Non-Free page.