Yes, both Observa and CloudOptics offer a Free Trial.
Observa is designed for Individuals and Small Business.
CloudOptics is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Observa begins at $15/Month, while pricing details for CloudOptics are unavailable.
Some top alternatives to Observa includes iCompaas, Cloudzatic, DisruptOps, Qualified, Workvivo, Crowd Sentry, ARGOS Cloud Security, AWS CloudFormation, Expose, Telescope, AWS Systems Manager and Qualys Cloud Platform.
Some top alternatives to CloudOptics includes DisruptOps, AppOmni, JupiterOne, Qualified, Securiti, Workvivo, Adaptive Shield, Qualys Cloud Platform, BetterCloud, IFTTT, SaaSTrax and Very Good Security.