- Free tier: 5 GB of logs with 7 day retention, read access API, basic email alerting
- Pros: Integrated monitoring, logging and diagnostics suite for applications running on Google Cloud Platform and Amazon Web Services.
- Free tier: monitor up to 20 jobs, invite two team members.
- Pros: Monitor cron jobs, background services, scheduled tasks. API access, many integrations, open-source (can be self-hosted).
- Limitations: no SMS notifications for the free tier, no SSO login options
- Free tier: (Developer plan) 100 metric streams at 60s resolution 1 day retention, 10 alerts, 1 dashboard
- Pros: allows for submission of metrics from multiple sources, metrics can be submitted via an agent or directly to the API.
- Free tier: 30 minutes retention, 5 hosts, unlimited dashboards, unlimited users, 1 alert
- Pros: includes APM, infrastructure monitoring, and custom metrics, out of the box charts and filtering, REST API, correlation with logs, integration with Slack, HipChat, PagerDuty, OpsGenie, VictorOps, BigPanda, WebHooks, Nagios...
- Free tier: 50 websites/servers, 5 minutes intervals
- Pros: multiple check supported (HTTP, ping, port...), dashboard with statistics, supports alerts via multiple canals (e-mail, Twitter, Slack, HipChat, push, SMS, web-hook notifications...)
- Limitations: Monitoring location cannot be customized