Yes, both Opsgenie and SolarWinds Pingdom offer a Free Trial.
Opsgenie is designed for Large Enterprises, Medium Business and Small Business.
SolarWinds Pingdom is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Opsgenie Starts at $9/User/Month when Billed Yearly whereas for SolarWinds Pingdom Starts at $10/Month when Billed Yearly.
Some top alternatives to Opsgenie includes Freshservice, Jira Service Desk, PagerDuty, VictorOps, Amixr, AlertOps, Splunk On-Call, Spike.sh, Mission Manager, StatusCast Incident Management and PagerTree.
Some top alternatives to SolarWinds Pingdom includes Freshping, Uptime, Pingmeter, SolarWinds ipMonitor, Visualping, pingnow.io, Epic Ping, PingPing, Pingt.io and PingSphere.