A Transdiagnostic, Self-guided Internet Intervention ("Velibra") for Waitlist Patients With Anxiety Disorders

This study is testing whether "Velibra," a self-guided internet-based therapy program, can help people with anxiety disorders who are on waiting lists for in-person treatment. Velibra uses Cognitive Behavioral Therapy (CBT) techniques delivered entirely online, allowing people to get support while waiting for professional care. **You may be eligible if...** - You have been diagnosed with panic disorder (with or without agoraphobia), social anxiety disorder, or generalized anxiety disorder - You have sufficient knowledge of German to engage with the treatment materials - You have internet access - You are willing to give written consent **You may NOT be eligible if...** - You have severe mental health conditions such as schizophrenia, severe depression, or borderline personality disorder - You have active suicidal thoughts - You have recently started or changed anti-anxiety medications Talk to your doctor to see if this trial is right for you.