Taskwingo is a fully offline Windows task manager that keeps your data 100% on your machine - no accounts, no cloud, no subscriptions. What sets it apart: multiple independent profiles on one PC (great for freelancers juggling clients), per-profile PIN lock with auto-lock, and file attachments built in. Three views - List, Kanban, Calendar. Four themes. Recurring tasks, subtasks, rich text notes, and full CSV/JSON export. Just install and go.