DragOnce is a two-way messaging app tailor-made to favor communication among members within an organization, company or school. Without disclosing private telephone number, different parties can start discussion and conducting follow-up work by text, voice messages, instant sharing of photos, audios, files and web links. This therefore facilitates news release and simplifies the tiring administration work. Workflow management is also available - sick-leave and reimbursement application can be easily done.