Spark IM setup guide
Spark IM is a great open source, both cross-platform and highly configurable IM client. Follow this guide to connect Spark IM with your Olark account.
Install and launch Spark on your computer.
Enter your Olark Username in the top field, your password in the middle field, and “@olark.com” for the domain.
Hit enter and then you will be logged into Spark IM!