Since 1.0.17 SurveyJS Editor supports appearance customization. In addition to the basic bootstrap theme you get six additional pre-defined themes and theme customization API. And now you get bootstrap-free version of the SurveyJS Editor. For example:
- Default theme (bootstrap free):
SurveyEditor.StylesManager.applyTheme("default");
- Orange theme
SurveyEditor.StylesManager.applyTheme("orange");
- Winter theme
SurveyEditor.StylesManager.applyTheme("winter");
For more details please check our examples on https://surveyjs.io/Examples/Builder.