You can use osm24.eu for mapping. I've added a new context menu (right click or long press on mobile device) for adding notes. When you come back to home you can use them in JOSM.
Comment from baditaflorin on 16 June 2014 at 23:12
really nice, i like it, especially the Opening hours tag
at the rendering, the wheelchair is rendered not good, showing in the same tag wheelchairyes
Comment from Dotevo on 17 June 2014 at 05:27
Wheelchair is only a filter. Like cusine, diet when you select 'food' from menu.