Stress Test Tool Open Source

JCrawler - JCrawler is an open-source (under the CPL) Stress-Testing Tool for web-applications. It comes with the crawling/exploratory feature. You can give JCrawler a set of starting URLs and it will begin crawling from that point onwards, going through any URLs it can find on its way and generating load on the web application. The freeware stress test tool HeavyLoad was developed to bring your PC to its limits. It can be installed on any edition of Windows and client/server versions (32-bit and 64-bit) currently supported by Microsoft. HeavyLoad puts your workstation or server PC under a heavy load.

Test

HTTP Stress & Performance Tests The applications that make up the current OpenSTA toolset were designed to be used by performance testing consultants or other technically proficient individuals. This means testing is performed using the record and replay metaphor common in most other similar commercially available toolsets.

The freeware stress test tool HeavyLoad was developed to bring your PC to its limits. It can be installed on any edition of Windows and client/server versions (32-bit and 64-bit) currently supported by Microsoft.
HeavyLoad puts your workstation or server PC under a heavy load and lets you test whether they will still run reliably.

Be mobile: Install HeavyLoad as a portable version e.g. on a USB stick and use it wherever needed!

Tool
Check your most important systems in advance to see whether they can withstand the highest loads.
No matter if CPU, GPU, RAM, hard disk, or all of them together: HeavyLoad takes it to the limit!
Thanks to an intuitive graphical user interface and visual feedback, no expert knowledge is required.

The main window offers a clean and modern user interface which allows to quickly start the application and to see the stress HeavyLoad puts on your PC.

In the „Options“ dialog you can configure the tool according to your requirements or set advanced settings such as time limit or used CPU cores.

Open Source Gui Testing Tools

The Windows Task Manager can be opened from within HeavyLoad via the Extras menu to quickly assess your system's performance.

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Heavyload is a System Utilities Benchmarking software developed by JAM Software GmbH. To stress your PC or server, HeavyLoad writes a large test-file to the temp folder, it allocates physical and virtual memory, performs complex calculations and it draws patterns in its window.

Tool

ServerSentinel

Source

No more server stress-out

Web Server Stress Test Tool Open Source

Use sensors to automatically and continuously monitor CPU and memory usage. No longer worry about processor load limits!