Sturesy is a java-based realtime response system for gathering votes from students during lectures.
(Often called Audience Response System, Classroom Response System or simply Clicker)

For Docents:
Easy to use and works out of the box on every machine. Create your Questions prior to your lecture. Evaluate the voting during the lecture or in depth afterwards.

For Developers:
Plugins for third-party-hardware can be easily created by implementing three simple Interfaces.

Java 1.5+
Java 1.7

A first beta-test with approximatly 65 Students can be viewed under the following link:

It is currently being used at the University of Hamburg in Softwareengineering 1 with more than 300 Students


  • Free
  • Easy to use
  • Works on all OS's
  • Easily integrate your own third-party-hardware

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User Reviews

  • First, thanks to the team for a great project. This system has the potential to replace commercial ARS systems with the technology we (all?) carry in our pockets anyway. Set up requires some trial and error esp for those not familiar with MySQL set up but once the code settles down I'm sure a screen cast will be published to help. I'd love for them to publish the source for the iPhone App and or develop a native android app too! btw spec suggests requires Java 1.5 + I needed 1.7 to run under OS-X 10.8.3 but that could just be the Apple java I had installed(!)

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Additional Project Details


English, German, Spanish

Intended Audience

Developers, Education, Science/Research

User Interface

Java Swing

Programming Language

Java, PHP