Free-tier monitoring & observability

ngrok

ngrok is an all-in-one cloud networking platform that provides secure tunnels, API gateway routing, traffic policy, and observability for services running anywhere. It can expose localhost or private ...

cron-job.org

cron-job.org is a hosted cron job scheduler that executes HTTP requests for websites and scripts at configured intervals, from once per minute up to once per year. It supports custom request methods, ...

Mouseflow

Mouseflow is a behavior analytics platform that records user sessions, generates heatmaps, tracks journeys, and detects friction across websites. It captures clicks, scrolls, mouse movement, form inte...

Checkly

Checkly is a monitoring platform for uptime checks, API checks, browser checks, Playwright check suites, status pages, alerting, dashboards, and trace-based root cause analysis. It supports code-first...

Simple Observability

Simple Observability is a hosted server monitoring platform that collects metrics, logs, and cron job results through a single agent installed with one command. The agent sends data outbound over HTTPS to the vendor cloud, and configuration is managed from a web UI rather than local config files.

SyAgent

SyAgent is a server and uptime monitoring service for Linux hosts. It monitors servers, processes, disks, network, memory, and HTTP/PING/PUSH uptime checks, then sends alerts and shows charts and insights through the web app.

ETLR

ETLR is a workflow automation platform that defines workflows in YAML and deploys them from code rather than a drag-and-drop editor. It supports HTTP webhooks, cron triggers, Python functions, HTTP re...

NewReleases.io

NewReleases.io is a release tracking service for software developers and DevOps teams. It monitors supported source code and package registries such as GitHub, GitLab, Codeberg, Gitea, Bitbucket, PyPI...

OnlineOrNot

OnlineOrNot is an uptime monitoring and status page service for software teams. It checks websites, APIs, cron jobs, heartbeat endpoints, and scheduled tasks at intervals as short as 30 seconds on pai...

BorgBase

BorgBase is a hosted backup service for Borg and Restic repositories. It provides encrypted offsite storage with append-only mode, two-factor authentication, built-in alerts, monitoring, and an API for managing repositories and automation.

Exceptionless

Exceptionless is a .NET exception reporting and event logging service for ASP.NET, Web API, WebForms, WPF, Console, and MVC applications. It collects unhandled exceptions and custom events through a c...

Mergify

Mergify is a merge automation platform for GitHub repositories. It handles the steps between pull request creation and a green main branch, including merge queues, merge protections, CI observability, flaky test detection, and stacked pull requests.

Webpushr

Webpushr is a web push notifications platform that lets websites send browser push messages through a dashboard, REST API, or WordPress plugin. The service supports subscriber targeting by segments an...

Arize

Arize is an AI and agent engineering platform that combines observability, tracing, evaluation, prompt management, and monitoring for production AI systems. The product includes Arize AX for generativ...

Cloud 66

Cloud 66 is a platform for deploying and managing applications on your own cloud provider or servers. It connects a Git repository and a cloud account, then handles application deployment, scaling, monitoring, and operational controls from a web dashboard.

Logflare

Logflare is a hosted logging and log analytics service for Cloudflare, Vercel, Elixir, and JavaScript applications. It ingests events from integrations such as Cloudflare Workers, OpenTelemetry, Elixi...

Simple Analytics

Simple Analytics is a web analytics service that tracks website visitors, page views, referrers, UTM sources, countries, events, and conversion-related activity through a lightweight script. It provid...

Plurai

Plurai is an AI agent trust platform with products for simulation, evals, guardrails, and simulation-driven optimization. It provides synthetic scenario generation, no-code evaluation creation, guardrail training, and CI/CD integration for validating agent behavior before and during production.

Railway

Railway is an all-in-one cloud platform for deploying, networking, scaling, monitoring, and evolving applications from a connected repository or local project. It supports GitHub repo deployment, Dock...

BugSnag

BugSnag is an application monitoring service for mobile, web, desktop, and server apps. It captures unhandled and handled errors, groups them by root cause, and provides diagnostic context such as sta...

Honeycomb

Honeycomb is an observability platform for collecting and querying logs, metrics, traces, and other structured telemetry. It supports distributed tracing, BubbleUp analysis, OpenTelemetry ingestion, query history, permalinks, and Honeycomb Metrics.

Inngest

Inngest is a workflow orchestration platform for durable execution of backend code, background jobs, endpoints, and AI agents. It wraps functions in steps to add retries, recovery, throttling, batchin...

Rollbar

Rollbar is an error monitoring and tracking service for software teams. It collects application errors from server, client, and mobile SDKs, groups similar issues, and attaches stack traces, telemetry...

Axiom

Axiom is an event data platform for logs, traces, metrics, and events. It ingests data through OpenTelemetry, Events API, SDKs, and other connectors, then provides query, monitoring, dashboarding, and retention features in a hosted cloud service.

Datadog

Datadog is a cloud monitoring and security platform that collects metrics, traces, logs, events, and other telemetry from infrastructure, applications, databases, containers, serverless workloads, and...

Modal

Modal is a serverless AI infrastructure platform for running inference, training, batch processing, sandboxes, notebooks, and other Python workloads. It provides sub-second cold starts, instant autosc...

Umami

Umami is a web analytics platform that collects pageviews, custom events, funnels, revenue, and session replays from a website. It provides dashboards for traffic, audience location, device and browser breakdowns, UTM attribution, user journeys, and conversion analysis, with no cookies required.

New Relic

New Relic is an observability platform that collects metrics, logs, traces, browser and mobile telemetry, infrastructure signals, and security data in one account. The free tier includes access to the...

Plausible Analytics

Plausible Analytics is a web analytics service that collects site traffic and event data through a lightweight JavaScript script. It provides a single-page dashboard with traffic, goals, revenue attribution, funnels, referrer data, and Search Console integration for SEO analysis.

Grafana Cloud

Grafana Cloud is a managed observability platform that combines metrics, logs, traces, profiles, k6 performance tests, dashboards, and alerting in a single hosted service. It supports OpenTelemetry an...

ServerBuddy

ServerBuddy is a native macOS application for managing Linux servers with a clean, point-and-click interface. It brings common administration tasks into one place so users can monitor system health, connect over SSH, and handle day-to-day server operations without relying entirely on the terminal.

AWS X-Ray

AWS X-Ray is a distributed tracing and application observability service that helps teams analyze requests as they move through microservices and other components. It provides trace collection, servic...

UptimeRobot

UptimeRobot is an uptime monitoring service that checks websites, APIs, servers, and other endpoints to help teams detect outages and performance issues quickly. It provides real-time alerts, public s...

PostHog

PostHog is a product operating platform for product engineers and data teams. It combines analytics, session replay, feature flags, experiments, surveys, data warehousing, error tracking, logs, workflows, and AI-assisted product development in a single cloud platform.

Cronitor

Cronitor is a monitoring platform built for developers and operations teams that need reliable visibility into jobs, websites, APIs, and infrastructure events. It combines cron job monitoring, uptime checks, heartbeat tracking, status pages, and real user monitoring in a single product.

APItoolkit

APItoolkit is an API observability and monitoring platform that collects logs, traces, metrics, request payloads, and events to help developers find breaking changes, errors, and performance regressions in production.

Better Stack

Better Stack is an observability and incident response platform that helps teams monitor infrastructure, trace requests, manage logs, track errors, and communicate outages from a single product suite.

Sentry

Sentry is an application monitoring platform that helps development teams detect, diagnose, and resolve software issues across the full application lifecycle. It combines error monitoring, performance...

highlight.io

Highlight.io is an open source, full-stack monitoring platform for modern web applications. It brings together session replay, error monitoring, logging, traces, and dashboards in a single product so engineering teams can understand issues across the entire stack.

Browse AI

Browse AI is a no-code web scraping and website monitoring platform that helps teams extract structured data from websites, automate recurring checks, and turn web pages into usable datasets. It is designed for users who need reliable data extraction at scale without building custom scripts.

PagerDuty

PagerDuty is an AI-first operations platform for incident management, on-call coordination, and digital operations response. It helps teams detect issues, route alerts, mobilize responders, and resolve incidents faster across the tools they already use.

Compass

Compass is Atlassian’s internal developer platform for cataloging software components, connecting teams, and improving developer experience across the software lifecycle.

Statuspage

Statuspage is an incident communication platform from Atlassian that helps organizations keep users, customers, and employees informed about service health in real time.

DigitalOcean Uptime

DigitalOcean Uptime is a server and endpoint monitoring service that helps teams detect slowdowns, outages, and SSL issues before they affect users. It continuously checks websites, applications, URLs, and IP addresses from multiple global regions and sends alerts through email or Slack.

Amazon CloudWatch

Amazon CloudWatch is AWS’s monitoring and observability service for applications, infrastructure, and operational data. It helps teams collect metrics, logs, and traces, visualize system health, and investigate issues across cloud and hybrid environments.