Akademicky klub tretiho veku Aktiv, z. s. (Academic Club of the Third Age) is non-governmental non-profit organization (NGO) associating handicapped people and citizens over 50 years of age. As of 2014 it had over 250 members. Every month, it organizes on average 15 educational activities for the senior/50+ community.

Club Aktiv organizes computer, language, historical, psychological, medical, physical education courses and lectures at university academic level (UTA) in co-operation with the University of South Bohemia in České Budějovice. The most requested are computer courses. Every year the association organizes approx. 15 computer courses attended by ca. 120 people from all South-Bohemian region. The content of the courses is focused on the 50+ target group and its needs as well as on handicapped people.