- Fray Detects Concurrency Issues in JVM Languages by Johan Janssen
- Fray: A controlled concurrency testing framework for the JVM (Reddit post)
- Deterministic Concurrent Testing Using Fray by Adam Warski
- Discovering a JDK Race Condition, and Debugging it in 30 Minutes with Fray by Ao Li (hacker news discussions)
- Evil Scheduler: Mastering Concurrency Through Interactive Debugging by Ao Li
- Concurrency bugs in Lucene: How to fix optimistic concurrency failures by Benjamin Trent and Ao Li (hacker news discussions)