OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Test Automation Made Simple

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

Apache Atlas - Open Metadata Management and Governance capabilities across the Hadoop platform and beyond

Provides examples and code snippets for the JGit Java Git implementation

Midstream of https://github.com/apache/incubator-kie-optaplanner

Yet, another solution for PDF data extracting: using OpenAI ChatGPT API

Rinha de Backend 2023 Q3 - Java + Vert.x