Todo清单 Trusted by 30 million people and teams. Todoist is the world's favorite task manager and to-do list app. Finally become focused, organized and calm.
在线OCR Free OCR API, Online OCR and Searchable PDF (Sandwich PDF) Service. Try instantly, no registration required. REST-based Web API to extract text from images and convert scans to searchable PDF. Free OCR software as a hosted service and as download.