Merge pull request #588 from cleder/patch-1

add ironSource.atom

README.md

@@ -515,6 +515,7 @@ Table of Contents
    * [baremetrics.com](https://baremetrics.com/) — Analytics & Insights for stripe
    * [optimizely.com](https://optimizely.com) — A/B Testing solution, free starter plan, 1 website, 1 iOS and 1 Android app
    * [expensify.com](https://expensify.com/) — Expense reporting, free personal reporting approval workflow
+   * [ironSource atom](http://www.ironsrc.com/data-flow-management/) — Atom Data Flow Management is a data pipeline solution, 10M monthly events free
 
 ## International Mobile Number Verification API and SDK
   * [cognalys.com](https://cognalys.com/) — Freemium mobile number verification through an innovative and reliable method than using SMS gateway. Free accounts will have 70 tries and 50 verifications/day. {[Signup](https://www.cognalys.com/signup/1)}