vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.
Curated list of useful, if not amazing, resources that take advantage of Java 8 and "Modern Java" thinking.
Vavr (formerly Javaslang) resources like talks, slides, videos, etc.
FINN.no Javaslang and Java8 Workshop
Road to a more functional Java with Javaslang - example refactori
Javaslang web page http://javaslang.io
Javaslang website
Json lib using only javaslang