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Fluentd: Unified Logging Layer (project under CNCF)
Free and open source log management
A Microservice Toolkit from The New York Times
Kafka implemented in Golang with built-in coordination (No ZK dep, single binary install)
PipelineIO: End-to-End ML and AI Platform for Real-time Spark and Tensorflow Data Pipelines
Job server in Go
Oryx 2: Lambda architecture on Apache Spark, Apache Kafka for real-time large scale machine learning
The Apache Kafka C/C++ library
Reactive Streams API for Apache Kafka
Code examples that show to integrate Apache Kafka 0.8+ with Apache Storm 0.9+ and Apache Spark Streaming 1.1+, while using Apache Avro as the data serialization format.
Apache Kafka client for Python; high-level & low-level consumer/producer, with great performance.
syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, queueing, SQL & NoSQL.