The Dropbox iOS X SDK in Objective-C provides developers access to Dropbox for integration with other applications and devices. Dropbox is a file storage, sharing, and synching service that allows users to store, share, and sync their files.
Hall, communication and collaboration platform for teams and business, allows teams to integrate various apps through the Hall API. Hall offers a suite of tools and features that enable teams to communicate, provide feedback, and share work in a seamless fashion (e.g. chat, file sharing, video sharing, etc.). Hall believes the world is currently evolving to a new normal when it comes to communication and project completion.