TestNet is an association that aims to create a network of software professionals from various domains. They organize Theme evenings every month when experts and IT professionals gather to discuss the emerging trends and developments in one particular domain. The registration for the theme evening opens two weeks before the scheduled date. The ticket cost for members is 35 Euros and that for non-members is 50 Euros. Those interested can also become an association member on spot by paying 42.50 Euros from July or 85 Euros per year.