Base
https://github.com/danistefanovic/build-your-own-x
https://github.com/se7en5h6/awesome-falsehood
https://github.com/mre/the-coding-interview
https://github.com/restfulapi/api-strategy
https://github.com/se7en5h6/java-design-patterns
https://github.com/mhadidg/software-architecture-books
https://github.com/GorvGoyl/Clone-Wars
Everything else [1]
https://github.com/joelparkerhenderson/architecture-decision-record
https://github.com/se7en5h6/awesome-falsehood
https://github.com/leonardolemie/clean-code-java
https://github.com/cristaloleg/awesome-manifesto
https://github.com/getify/You-Dont-Know-JS
https://github.com/kamranahmedse/developer-roadmap
https://github.com/diffplug/spotless
https://github.com/sindresorhus/awesome
https://github.com/vasilievip/meters-automation
https://github.com/dodie/scott
https://github.com/timgifford/maven-buildtime-extension
https://github.com/tdanylchuk/functional-tests-best-practices
https://github.com/lanwen/wiremock-junit5
https://github.com/tchapi/markdown-cheatsheet
https://github.com/wagoodman/dive
https://github.com/practical-tutorials/project-based-learning
https://github.com/Netflix/concurrency-limits
https://github.com/iluwatar/java-design-patterns
https://github.com/spring-cloud-samples/spring-cloud-contract-samples
HTML & CSS & JS & TS
https://github.com/CyberLight/caninclude-v2
https://coderstoolbox.net/network/bandwidth.php
https://toolbox.googleapps.com/apps/har_analyzer/
https://developer.chrome.com/docs/devtools/network/reference/#timing
https://ant.design/components/cascader/
https://mui.com/material-ui/react-button/
https://github.com/ukrbublik/react-awesome-query-builder
https://github.com/Jamakase/react-boilerplate
https://github.com/Jamakase/OpenAPI-Specification
https://github.com/tailwindlabs/headlessui
https://github.com/fingerprintjs/fingerprintjs
https://github.com/single-spa/single-spa
https://github.com/brillout/awesome-react-components
https://github.com/tannerlinsley/react-query
SQL
https://www.depesz.com/2013/04/16/explaining-the-unexplainable/
https://www.depesz.com/2013/04/27/explaining-the-unexplainable-part-2
Lessons & Books
https://github.com/allenGKC/Just-Javascript-Reading-Notes
https://github.com/hackerkid/Mind-Expanding-Books
https://github.com/v2-dev/awesome-social-engineering
https://github.com/ContextLab/human-memory
https://github.com/VGraupera/manager-resources
Code
Martin Fowler - Refactoring: Improving the Design of Existing Code