ClusterControlTM Monitor (CMON) is available for free, and enables customers to monitor their MySQL topologies based on MySQL Cluster and MySQL replication, resident either on premise or in the cloud
A simple, multithreaded benchmarking tool that makes it easy to benchmark requests. Both SQL and NDBAPI requests are easily benchmarked. It is also possible to generate a GNU PLOT file and graphs!
sandbox - MySQL Cluster Development setup for localhost
The Sandboxes are intended for developers to be installed on localhost or e.g VirtualBox and VMWare. The Sandboxes are easy to install and installs in a single directory, and consists of two data nodes and two mysql servers.