Monitoring

Pingmeter.com - 5 uptime monitors with 10 minutes interval. monitor SSH, HTTP, HTTPS, and any custom TCP ports.
appdynamics.com—Free for 24 hours metrics, application performance management agents limited to one Java, one .NET, one PHP and one Node.js
appneta.com—Free with 1-hour data retention
appspector.com - Mission control, for remote iOS/Android/Flutter debugging. Free for small traffic usage (64MB of logs).
assertible.com—Automated API testing and monitoring. Free plans for teams and individuals.
blackfire.io—Blackfire is the SaaS-delivered Application Performance Solution. Free Hacker plan (PHP only)
checklyhq.com - Open source E2E / Synthetic monitoring and deep API monitoring for developers. Free plan with 5 users and 50k+ check runs.
circonus.com—Free for 20 metrics
cloudsploit.com—AWS security and configuration monitoring. Free: unlimited on-demand scans, unlimited users, unlimited stored accounts. Subscription: automated scanning, API access, etc.
cronitor.io - Performance insights and uptime monitoring for cron jobs, websites, APIs and more. Free tier with 5 monitors.
datadoghq.com—Free for up to 5 nodes
deadmanssnitch.com—Monitoring for cron jobs. 1 free snitch (monitor), more if you refer others to sign up
economize.cloud—Economize helps demystify cloud infrastructure costs by organizing cloud resources, optimize and report the same. Free for up to $5000 spends on Google Cloud Platform every month.
elastic.co—Instant performance insights for JS developers. Free with 24 hours data retention
freeboard.io—Free for public projects. Dashboards for your Internet of Things (IoT) projects
freshworks.com—Monitor 50 URLs at 1-minute interval with 10 Global locations and 5 Public status pages for Free
gitential.com—Software Development Analytics platform. Free: unlimited public repositories, unlimited users, free trial for private repos. On-prem version available for enterprise.
Grafana Cloud - Grafana Cloud is a composable observability platform, integrating metrics and logs with Grafana. Free: 3 users, 10 dashboards, 100 alerts, metrics storage in Prometheus and Graphite (10,000 series, 14 days retention), logs storage in Loki (50 GB of logs, 14 days retention)
healthchecks.io—Monitor your cron jobs and background tasks. Free for up to 20 checks.
inspector.dev - A complete Real-Time monitoring dashboard in less than one minute with free forever tier.
instrumentalapp.com - Beautiful and easy-to-use application and server monitoring with up to 500 metrics and 3 hours of data visibility for free
keychest.net/speedtest - Independent speed test and TLS handshake latency test against Digital Ocean
letsmonitor.org - SSL monitoring, free for up to 5 monitors
loader.io—Free load testing tools with limitations
meercode.io—Meercode is the ultimate monitoring dashboard for your CI/CD builds. Free for open-source and 1 private repository.
netdata.cloud—Netdata is an open source tool designed to collect real-time metrics.Great fast growing product. It can also be found in github!
newrelic.com—New Relic observability platform built to help engineers create more perfect software. From monoliths to serverless, you can instrument everything, then analyze, troubleshoot, and optimize your entire software stack. Free tier offers 100GB/month of free data ingest, 1 free full access user, and unlimited free basic users.
nixstats.com - Free for one server. E-Mail Notifications, public status page, 60 second interval and more.
OnlineOrNot.com - OnlineOrNot is a reliable uptime monitor for both JS-based web apps and websites. 5 uptime checks (for static websites and APIs) with a 5 minute interval, 1 browser check with a 15 minute interval. Also provides automated public status pages (with support coming for 3rd party uptime monitoring). Free for up to 3 users, alerts via Slack, Discord, and Email.
opsgenie.com—Powerful alerting and on-call management for operating always-on services. Free up to 5 users.
paessler.com—Powerful infrastructure and network monitoring solution including alerting, strong visualization capabilities and basic reporting. Free up to 100 sensors.
syagent.com—Non commercial free server monitoring service, alerts and metrics.
pagertree.com - Simple interface for alerting and on-call management. Free up to 5 users.
pingbreak.com—Modern uptime monitoring service. Check unlimited URLs and get downtime notifications via Discord, Slack or email.
pingpong.one—Advanced status page platform with monitoring. Free tier includes one public customizable status page with SSL subdomain. Pro plan is offered to open-source projects and non-profits free of charge.
sematext.com—Free for 24 hours metrics, unlimited number of servers, 10 custom metrics, 500,000 custom metrics data points, unlimited dashboards, users, etc.
sitemonki.com—Website, domain, Cron & SSL monitoring, 5 monitors in each category for free
skylight.io—Free for first 100,000 requests (Rails only)
speedchecker.xyz—Performance Monitoring API, checks Ping, DNS, etc.
stathat.com—Get started with 10 stats for free, no expiration
statuscake.com—Website monitoring, unlimited tests free with limitations
statusgator.com—Status page monitoring, 3 monitors free
thousandeyes.com—Network and user experience monitoring. 3 locations and 20 data feeds of major web services free
thundra.io/apm—Application monitoring and debugging. Has a free tier up to 250k monthly invocations.
uptimerobot.com—Website monitoring, 50 monitors free
uptimetoolbox.com—Free monitoring for 5 websites, 60 second intervals, public statuspage.
zenduty.com—End-to-end incident management, alerting, on-call management and response orchestration platform for network operations, site reliability engineering and DevOps teams. Free for upto 5 users.
asayer.io—Hosted version of openreplay, an open-source session replay (alternative to FullStory and LogRocket). Free 1k sessions/month with 14 days retention
instatus.com - Get a beautiful status page in 10 seconds. Free forever with unlimited subs and unlimited teams.
Squadcast.com - Squadcast is an end-to-end incident management software that's designed to help you promote SRE best practices. Free forever plan available for upto 10 users.
RoboMiri.com - RoboMiri is a stable uptime monitor that offer a wide range of monitors: cronjob, keyword, website, port, ping. 25 uptime checks with a 3 minutes interval checks for free. Alerts via Phone Call, SMS, Email and Web Hook.
Better Stack - Uptime monitoring, incident management, on-call scheduling/alerting and status pages in a single product. 10 monitors with 3 min check frequency and status pages are included on the free plan.

Last updated 2 years ago

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Monitoring

Pingmeter.com - 5 uptime monitors with 10 minutes interval. monitor SSH, HTTP, HTTPS, and any custom TCP ports.

appdynamics.com—Free for 24 hours metrics, application performance management agents limited to one Java, one .NET, one PHP and one Node.js

appneta.com—Free with 1-hour data retention

appspector.com - Mission control, for remote iOS/Android/Flutter debugging. Free for small traffic usage (64MB of logs).

assertible.com—Automated API testing and monitoring. Free plans for teams and individuals.

blackfire.io—Blackfire is the SaaS-delivered Application Performance Solution. Free Hacker plan (PHP only)

checklyhq.com - Open source E2E / Synthetic monitoring and deep API monitoring for developers. Free plan with 5 users and 50k+ check runs.

circonus.com—Free for 20 metrics

cloudsploit.com—AWS security and configuration monitoring. Free: unlimited on-demand scans, unlimited users, unlimited stored accounts. Subscription: automated scanning, API access, etc.

cronitor.io - Performance insights and uptime monitoring for cron jobs, websites, APIs and more. Free tier with 5 monitors.

datadoghq.com—Free for up to 5 nodes

deadmanssnitch.com—Monitoring for cron jobs. 1 free snitch (monitor), more if you refer others to sign up

economize.cloud—Economize helps demystify cloud infrastructure costs by organizing cloud resources, optimize and report the same. Free for up to $5000 spends on Google Cloud Platform every month.

elastic.co—Instant performance insights for JS developers. Free with 24 hours data retention

freeboard.io—Free for public projects. Dashboards for your Internet of Things (IoT) projects

freshworks.com—Monitor 50 URLs at 1-minute interval with 10 Global locations and 5 Public status pages for Free

gitential.com—Software Development Analytics platform. Free: unlimited public repositories, unlimited users, free trial for private repos. On-prem version available for enterprise.

Grafana Cloud - Grafana Cloud is a composable observability platform, integrating metrics and logs with Grafana. Free: 3 users, 10 dashboards, 100 alerts, metrics storage in Prometheus and Graphite (10,000 series, 14 days retention), logs storage in Loki (50 GB of logs, 14 days retention)

healthchecks.io—Monitor your cron jobs and background tasks. Free for up to 20 checks.

inspector.dev - A complete Real-Time monitoring dashboard in less than one minute with free forever tier.

instrumentalapp.com - Beautiful and easy-to-use application and server monitoring with up to 500 metrics and 3 hours of data visibility for free

keychest.net/speedtest - Independent speed test and TLS handshake latency test against Digital Ocean

letsmonitor.org - SSL monitoring, free for up to 5 monitors

loader.io—Free load testing tools with limitations

meercode.io—Meercode is the ultimate monitoring dashboard for your CI/CD builds. Free for open-source and 1 private repository.

netdata.cloud—Netdata is an open source tool designed to collect real-time metrics.Great fast growing product. It can also be found in github!

newrelic.com—New Relic observability platform built to help engineers create more perfect software. From monoliths to serverless, you can instrument everything, then analyze, troubleshoot, and optimize your entire software stack. Free tier offers 100GB/month of free data ingest, 1 free full access user, and unlimited free basic users.

nixstats.com - Free for one server. E-Mail Notifications, public status page, 60 second interval and more.

OnlineOrNot.com - OnlineOrNot is a reliable uptime monitor for both JS-based web apps and websites. 5 uptime checks (for static websites and APIs) with a 5 minute interval, 1 browser check with a 15 minute interval. Also provides automated public status pages (with support coming for 3rd party uptime monitoring). Free for up to 3 users, alerts via Slack, Discord, and Email.

opsgenie.com—Powerful alerting and on-call management for operating always-on services. Free up to 5 users.

paessler.com—Powerful infrastructure and network monitoring solution including alerting, strong visualization capabilities and basic reporting. Free up to 100 sensors.

syagent.com—Non commercial free server monitoring service, alerts and metrics.

pagertree.com - Simple interface for alerting and on-call management. Free up to 5 users.

pingbreak.com—Modern uptime monitoring service. Check unlimited URLs and get downtime notifications via Discord, Slack or email.

pingpong.one—Advanced status page platform with monitoring. Free tier includes one public customizable status page with SSL subdomain. Pro plan is offered to open-source projects and non-profits free of charge.

sematext.com—Free for 24 hours metrics, unlimited number of servers, 10 custom metrics, 500,000 custom metrics data points, unlimited dashboards, users, etc.

sitemonki.com—Website, domain, Cron & SSL monitoring, 5 monitors in each category for free

skylight.io—Free for first 100,000 requests (Rails only)

speedchecker.xyz—Performance Monitoring API, checks Ping, DNS, etc.

stathat.com—Get started with 10 stats for free, no expiration

statuscake.com—Website monitoring, unlimited tests free with limitations

statusgator.com—Status page monitoring, 3 monitors free

thousandeyes.com—Network and user experience monitoring. 3 locations and 20 data feeds of major web services free

thundra.io/apm—Application monitoring and debugging. Has a free tier up to 250k monthly invocations.

uptimerobot.com—Website monitoring, 50 monitors free

uptimetoolbox.com—Free monitoring for 5 websites, 60 second intervals, public statuspage.

zenduty.com—End-to-end incident management, alerting, on-call management and response orchestration platform for network operations, site reliability engineering and DevOps teams. Free for upto 5 users.

asayer.io—Hosted version of openreplay, an open-source session replay (alternative to FullStory and LogRocket). Free 1k sessions/month with 14 days retention

instatus.com - Get a beautiful status page in 10 seconds. Free forever with unlimited subs and unlimited teams.

Squadcast.com - Squadcast is an end-to-end incident management software that's designed to help you promote SRE best practices. Free forever plan available for upto 10 users.

RoboMiri.com - RoboMiri is a stable uptime monitor that offer a wide range of monitors: cronjob, keyword, website, port, ping. 25 uptime checks with a 3 minutes interval checks for free. Alerts via Phone Call, SMS, Email and Web Hook.

Better Stack - Uptime monitoring, incident management, on-call scheduling/alerting and status pages in a single product. 10 monitors with 3 min check frequency and status pages are included on the free plan.