At our department we are planning to repeatedly do some tests. For that, we need interested volunteers – and we can't test with the same persons over and over again.We would like to keep a record of interested parties. Here are some features I'd imagine:People should be able to sign up with their e-mail addressWe can select a subset of people for an experiment and send them a mailWe can see which people already participated and how often they took partPeople can sign out at any timeNice to have: People can enter when they have time to participateNow, this sounds like a mailing list tool. I'd be fine with using something like that, but I only know phpList and – in my opinion – it's a bit hard to manage, configure and customize.So, basically:Is there a web application (or something we can host on our servers) for that?Or: Is there a simple mailing list application that would to the job?I should also mention that it needs to be free.
Is there a webapp that manages interested parties in something?
mailing list;registration