Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Final Draft - Use your creative energy to focus on the content; let Final Draft take care of the style.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Celtx - Celtx is a scriptwriting software platform with applications in a wide range of mediums but that specializes in helping screenwriters.
Google Cloud Functions - A serverless platform for building event-based microservices.
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.