LOIC is an open source network stress testing application, written in C#.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- Wine

WCat is described as 'Web Capacity Analysis Tool (WCAT) is a lightweight HTTP load generation tool primarily designed to measure the performance of a web server within a controlled environment. WCAT can simulate thousands of concurrent users making requests to a single web site or multiple web sites' and is an app. There are more than 10 alternatives to WCat for a variety of platforms, including Web-based, Windows, Linux, Mac and Self-Hosted apps. The best WCat alternative is Low Orbit Ion Cannon, which is both free and Open Source. Other great apps like WCat are locust, Loadster, Loader.io and blitz.io.
LOIC is an open source network stress testing application, written in C#.

An open source load testing tool written in Python. Locust allows you to define user behaviour with Python code, and swarm your system with millions of simultaneous users.

Loadster is a full-featured load testing solution for websites, web apps, and web services. It's built for real web apps and effortlessly handles cookies, user sessions, custom headers, dynamic form data and more.
Loader.io is a simple cloud-based load testing service that allows you to stress test your web-apps & apis with thousands of concurrent connections. Made by the team behind SendGrid.

Blitz makes load and performance testing of your web site, API, iPhone and Android and Facebook apps a fun sport.

Managed load testing platform built on k6, integrating performance testing into CI/CD pipelines, supporting frontend and backend scenarios, GUI test builder, browser recorder, and JavaScript scripting. Free tier offers virtual user hours, metrics, logs, traces, and observability.







Despite its name, Fast DDoS Attack Cmd is just a portable ping tool based on Windows command-line (cmd) aimed to be used by casual\non-advanced Windows OS Users!


SmartMeter.io is a load and performance testing tool based on JMeter that is fixing its drawbacks while adding enterprise-level load testing features.
PurpleStrike Real Time (RT) load tester is a turnkey performance testing services on the cloud with intuitive user interface. You can automate real applications and run web applications from real browsers to generate real time load scenarios.
Free Cloud Load Testing Service, Speed Testing for Websites, Applications and APIs. Helps you run load and performance tests from within browsers in minutes.






