You may have a startup or you maybe a developer in a low-resources startup that cannot afford to subscribe to many online SaaS services at once, so you may search for alternative tools.
In this post I'll show you some tools that could be installed on your server and use it for free.
Amazon S3 Alternative(s)
Amazon S3 is a web service offered by Amazon Web Services. Amazon S3 provides storage through web services interfaces
Pusher is a hosted service that makes it super-easy to add real-time data and functionality to web and mobile applications. Pusher sits as a real-time layer between your servers and your clients.
1- IPE A Pusher server implementation compatible with Pusher client libraries
Cloudinary is an end-to-end image management solution for your website and mobile apps
1- Imaginary Fast and simple HTTP microservice for high-level image processing with first-class support for Docker and Heroku