This app is meant for people with borderline personality disorder (BPD) problems who are following a Dialectical Behaviour Therapy (DBT) programme or want to start with such a programme. DBT provides tools for people with BPD to regulate their emotions and control their impulses. The app provides information about DBT and BPD. The DBT Travel Guide contains more than 200 different skills and mindfulness exercises. The app can provide support in moments of crisis through its crisis section. For the DBT therapist, the app contains a ‘think of’ scheme, full of practical guidelines. Furthermore, the app offers the possibility to write down agreements between client and therapist and to digitally fill in the diary card. Privacy policy: http://www.dialexisadvies.nl/privacy