- Foundation Media and Online addiction: www.stiftung-medienundonlinesucht.de
- Number against grief: www.nummergegenkummer.de
- Alliance against Cyberbullying e.V.: www.buendnis-gegen-cybermobbing.de
- Youth-Life-Line: www.youth-life-line.de
- Students against Bullying: www.schueler-gegen-mobbing.de
- Telephone consultant: www.telefonseelsorge.de
- Police: www.polizei-beratung.de