We just launched a survey to find out exactly that. It is here:

https://innoscholcomm.typeform.com/to/Csvr7b?source=S

Feel free to pass that on ;-)

If you need more information on the survey, read this:

https://101innovations.wordpress.com/

We also compiled an overview of 475+ research tools, arranged by 30 phases of the research workflow:

http://bit.ly/innoscholcomm-list

Regards,

Jeroen

important question for me, I am following