Check out “YouthNetworks”. They publish plenty of calls for projects. Search in “vacancies” and set the filter on EVS.
Pro: You’ll find a lot of projects including descriptions and deadlines.
Contra: However, sometimes you need more information than provided by the description.
Therefore as general advice: You shouldn’t hesitate to contact the organization and seek for more information. Little input like writing an e-mail can have an immense output like finding your favourite project.