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README.md

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 erxes is an open source growth marketing platform. Marketing, sales, and customer service platform designed to help your business attract more engaged customers. Replace Hubspot with the mission and community-driven ecosystem.
 
-<a href="https://demohome.erxes.io/">View demo</a> <b>| </b> <a href="https://github.com/erxes/erxes-ios-sdk/archive/master.zip">Download ZIP </a> <b> | </b> <a href="https://gitter.im/erxes/Lobby">Join us on Gitter</a>
+<a href="https://demohome.erxes.io/">View demo</a> <b>| </b> <a href="https://github.com/erxes/erxes-ios-sdk/archive/master.zip">Download ZIP </a> <b> | </b> <a href="https://erxes.slack.com">Join us on Slack</a>
 
 ## Status  <br> 
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/50fb6d068f044f8a86f89471c836d014)](https://www.codacy.com/app/puujeedevdev/erxes-ios-sdk?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=erxes/erxes-ios-sdk&amp;utm_campaign=Badge_Grade)