1. Gearman RubyOfficial! Ruby library for the Gearman distributed job system
2. Ruby MetricsMetrics for ruby - a Ruby implementation of metrics inspired by @coda's JVM metrics for those of us in Ruby land
3. gearman-javaJava Gearman client and Netty-based server with multi-backend support (currently memory, Redis and PostgreSQL). More features coming including clustering support