BRL-CAD is a powerful constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, and image and signal-processing tools.
Cactus is a general, modular, parallel environment for solving systems of partial differential equations. The code has been developed over many years by a large international collaboration of numerical relativity and computational science research groups and can be used to provide a portable platform for solving any system of partial differential equations.
Hammerhead is a stress testing tool for Web sites. It initiates connections from multiple IP aliases and simulates a user from each alias. It is fully configurable, and there are numerous other options for creating problems with a site. Extensive data collection is also available.
The Open Hardware Certification Program (OHCP) Test Suite is a collection of tests to verify the compatibility of your hardware with Open Source operating systems. Tests have been contributed by multiple authors and organizations, and are bundled with documentation, test procedures, and some automation scripts to help run the tests.
OSDB, the open source database benchmark, is intended for the use of system and database developers, providing a significant chunk of benchmark code that can be used, tailored, and tweaked according to local needs. It is derived from AS3AP (ANSI SQL Standard and Portable Benchmark); its most important change is the segmentation of the benchmark, allowing developers to concentrate on the results that are most relevant to their work.
Performance Co-Pilot (PCP) is a framework and set of services for supporting system-level performance monitoring and performance management. It provides a unifying abstraction for all of the interesting performance data in a system, and allows client applications to easily retrieve and process any subset of that data using a single API. A client-server architecture allows multiple clients to monitor the same host, and a single client to monitor multiple hosts. Archive logging and replay are integrated so that a client application can use the same API to process real-time data from a host or historical data from an archive.
PureLoad is a load testing tool that simulates thousands of users executing requests against server based applications. It can be used to verify that your application will meet the expected performance criteria. PureLoad reports quality and performance problems, as well as detailed statistics gathered during a load test. PureLoad also includes extensive support for easy recording and testing of Web-based applications. The HTTP Recorder ease the process of capturing HTTP and HTTPS requests into PureLoad scenarios. The Web Crawler is used to scan a static Web site for general errors, and it can also be used to generate PureLoad scenarios to be used in a load test.