1. NdkaleKale is a python task worker library that supports priority queues on Amazon SQS
3. NdschedulerA flexible python library for building your own cron-like system, with REST APIs and a Web UI.
7. zkwatcher.origService monitoring daemon that registers/deregisters servers in Apache ZooKeeper
8. pg-bifrostPostgreSQL Logical Replication tool into Kinesis, S3 and RabbitMQ