Free-tier apm tracing

Respan

Respan is an LLM engineering platform for tracing, evaluating, optimizing, deploying, and monitoring AI agent traffic through a gateway and observability dashboard. It logs requests, traces spans, tra...

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...

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.

Skylight

Skylight is a smart profiler for Ruby and Rails applications. It collects performance traces from web requests and background jobs, then turns them into endpoint-level views, trends, and deploy comparisons.

Inspector

Inspector is a PHP application monitoring tool that traces transactions, events, exceptions, slow queries, and external calls from code instrumentation rather than server-side agents. It supports Lara...

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.

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...

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.

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...

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...

Netdata

Netdata is an infrastructure monitoring and observability platform that collects metrics, logs, alerts, and network telemetry from agents running on hosts, containers, Kubernetes, cloud instances, and...

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...

Middleware

Middleware is a full-stack observability platform that collects infrastructure, APM, real user monitoring, logs, synthetic checks, browser tests, and LLM observability data in one place. The platform ...