Merge pull request #591 from SangramChavan/master

Machine Learning

README.md

@@ -316,6 +316,7 @@ Table of Contents
   * [pagodabox.io](http://pagodabox.io/) — Small worker, web server, cache, and database for free
   * [cloudandheat.com](https://www.cloudandheat.com/) — 128 MB of RAM for free, includes support for custom domains for free
   * [zeit.co/now](https://zeit.co/now) - Managed platform for Node.js deployments, featuring dynamic realtime scaling. Includes 20 free deploys/month limited to 1GB storage and 1GB bandwidth for OSS projects (source files are exposed on a public URL)
+  * [sandstorm.io](https://sandstorm.io/) - Sandstorm is an open source operating system for personal and private clouds. Free plan offers 200MB storage and 5 grains free.
 
 ## BaaS