The Slack PHP SDK by Morning Train is a complete native PHP wrapper for the Slack API. Slack is a tool for managing team communications, and the Slack API allows users to integrate with other third-party applications, and can provide such tools as: upload an image or file, get a channel's history, set a channel's "unread" marker, retrieve lists of files, and search a Slack instance.
While on the go, trying to type long emails and messages with your thumbs can be clumsy and frustrating. For those busy bodies who chase the clock, being able to dictate messages and emails while being mobile would be a great solution. Voice recognition software systems are just the thing for practicality and convenience; if they're accurate and secure of course. MyCaption is a team of developers who create voice enabled mobile apps and the MyCaption API.
If it's speech-to-text services you're after, Vocapia Research is in the game, offering a variety of speech technology services and working with their clients to adapt, fine tune or create products that are relevant for specific applications. One of Vocapia's products is the VoxSigma speech-to-text software suite that is suitable for many languages and a variety of audio data types. The VoxSigma API is available as a Web service via a REST API over HTTPS.