AApica
Apica is the agentic-ready telemetry pipeline that cuts observability costs up to 40%.
Production monitoring & observability
Monitoring, tracing, logging, error tracking, synthetic checks and chaos engineering in production.
77 tools
- A
AArize Phoenix
Arize Phoenix is an open-source (Elastic License 2.0) AI observability and evaluation tool for tracing, evaluating and improving LLM apps and agents, with a hosted Arize AX tier.
AAssertible
Continuously test your web services.
AAWS Fault Injection Service
AWS Fault Injection Service (FIS) is a managed chaos engineering service for running fault-injection experiments on AWS workloads, priced at $0.10 per action-minute.
AAzure Chaos Studio
Azure Chaos Studio is Microsoft's managed chaos engineering service for injecting faults into Azure resources, run from the portal or by an AI agent.
BBetter Stack
Better Stack combines uptime monitoring, incident management, status pages, logs and observability in one platform, free for personal projects and paid from $29 a month.
BBraintrust
Braintrust is a hosted platform for AI evals and agent observability: trace production, turn patterns into evals, score releases, and query it from your IDE via MCP.
CCatchpoint
Catchpoint is an Internet Performance Monitoring (IPM) platform for synthetic monitoring, real-user monitoring, network and BGP visibility from a large global agent network.
CCekura
Cekura is automated QA for voice and chat AI agents: simulations, evaluations, red-teaming and production call monitoring, with a loop that turns failures into evals and fixes.
CChaos Mesh
Chaos Mesh is a CNCF incubating, Apache-2.0 chaos engineering platform for Kubernetes that defines pod, network, DNS, HTTP, I/O, time, stress, kernel, JVM and cloud faults as custom resources.
CChaos Toolkit
Chaos Toolkit is an Apache-2.0 open-source chaos engineering toolkit and orchestration framework for developers, with declarative experiments and extensions for clouds and platforms.
CCheckly
Checkly is a monitoring-as-code platform for API checks, Playwright browser checks, uptime monitors, alerts and status pages, run from 20+ locations; Hobby $0, Starter $24/month, Team $64/month.
CCoralogix
Coralogix is an observability platform for logs, metrics, traces and security data that stores data in your own cloud bucket, priced per GB by data type.
CCoroot
Coroot is an Apache-2.0 observability and APM tool with AI-powered root cause analysis, combining eBPF metrics, logs, traces, continuous profiling and SLO-based alerting with predefined dashboards.
CCoval
Coval is a voice AI testing and evaluation platform that simulates conversations, observes production calls and adds human review to make voice agents deployment-ready.
DDatadog
Datadog is a commercial cloud platform for metrics, traces, logs, and security signals. Products are priced separately.
DDotcom-Monitor
Website monitoring that catches downtime before customers do.
DDynatrace
Dynatrace is an AI-powered observability and security platform covering APM, infrastructure, logs, digital experience (real-user and synthetic), application security and AI observability, priced per host-hour.
FFalco
Falco is the CNCF's Apache-2.0 cloud-native runtime security tool that detects abnormal behaviour in hosts, containers and Kubernetes using system calls and rules.
FFluent Bit
Fluent Bit is a CNCF, Apache-2.0 fast and lightweight processor for logs, metrics and traces on Linux, BSD, macOS and Windows, used widely as a Kubernetes log shipper.
GGalileo
Galileo is an AI observability and eval engineering platform that builds datasets, tunes evaluation metrics and turns offline evals into production guardrails for AI apps and agents.
GGatus
Gatus is an Apache-2.0 developer-oriented health dashboard and status page that monitors HTTP, ICMP, TCP and DNS endpoints with condition-based checks and alerting.
G Grafana
Grafana is an open-source dashboard for metrics, logs, and traces. Grafana Cloud adds a hosted stack with a free tier and paid plans.
GGrafana Loki
Grafana Loki is an AGPL-3.0 log aggregation system, "like Prometheus, but for logs", that indexes labels rather than full text to keep costs low.
GGrafana Mimir
Grafana Mimir is an AGPL-3.0 horizontally scalable, highly available, multi-tenant, long-term storage system for Prometheus metrics.
GGrafana Pyroscope
Grafana Pyroscope is an AGPL-3.0 continuous profiling platform that helps debug performance issues down to a single line of code.
GGrafana Tempo
Grafana Tempo is an AGPL-3.0, high-volume, minimal-dependency distributed tracing backend that stores traces in object storage and integrates with Grafana, Prometheus and Loki.
GGremlin
Gremlin is an enterprise reliability management and resilience testing platform with fault injection, reliability scoring, dependency discovery and Foresight AI agents; custom quotes and a 30-day free trial.
HHamming
Hamming tests, red-teams and monitors voice and chat AI agents: simulated calls before launch, failed calls rerun as regression tests, and production monitoring.
HHoneybadger
Honeybadger is an application monitoring service for error tracking, uptime and cron monitoring and logs, with a free Developer plan and Team from $26 a month.
HHoneycomb
Honeycomb is an observability platform built on high-cardinality, event-based data and distributed tracing, with BubbleUp, SLOs, AI agents and MCP; free tier with 20M events a month and Pro from $150/month.
IInstana
IBM Instana Observability provides real‑time application insight that traces requests, detects issues across the full application stack and speeds problem resolution.
IIntruder
Intruder is an exposure-management platform for lean security teams, combining vulnerability management, attack surface monitoring and cloud security, with a free trial.
JJaeger
Jaeger is the CNCF's Apache-2.0 distributed tracing platform; v2 is built on the OpenTelemetry Collector and accepts OTLP traces, with a UI for searching traces and analysing service dependencies.
KKrkn
Krkn is an Apache-2.0 CNCF sandbox chaos and resiliency testing tool for Kubernetes, focused on improving performance under failure conditions.
Kkube-bench
kube-bench is Aqua Security's Apache-2.0 tool that checks whether Kubernetes is deployed according to the CIS Kubernetes Benchmark.
KKubescape
Kubescape is an Apache-2.0 Kubernetes security platform for IDEs, CI/CD and clusters, with risk analysis, compliance frameworks, misconfiguration and vulnerability scanning.
LLangfuse
Langfuse is an open-source platform for LLM traces, prompts, and evals. Self-hosting is free; Langfuse Cloud is paid after a hobby tier.
LLangSmith
LangSmith is LangChain's platform for observability and evaluation of LLM applications and agents, including offline and online evals.
LLangWatch
LangWatch is an Apache-2.0 open-source platform for agent observability, evals and agent simulation testing, with prompt management, red-teaming and voice-agent testing.
LLitmusChaos
LitmusChaos is a 100% open-source CNCF chaos engineering platform that uses Kubernetes custom resources to define chaos and steady-state hypotheses, with a hub of experiments and a control-plane UI.
MMonitis
A website performance monitoring tool that provides real-time performance metrics and alerts.
NNagios Core
Nagios Core is the GPL-2.0 open-source monitoring engine behind Nagios, checking hosts and services with plugins and alerting when problems occur.
NNetdata
Netdata is a GPL-3.0 real-time monitoring agent with per-second metrics, auto-discovery, ML-based anomaly detection and zero-configuration dashboards, plus Netdata Cloud.
NNew Relic
New Relic is an AI-powered observability platform that correlates your telemetry across your entire stack, so you can isolate the root cause and reduce MTTR.
NNuclei
Nuclei is ProjectDiscovery's MIT-licensed, template-based vulnerability scanner: simple YAML templates, community-contributed checks, multi-protocol support and CI/CD use for regression testing.
OOpenObserve
OpenObserve is an AGPL-3.0 observability platform for logs, metrics, traces, RUM, session replay, pipelines, SLOs and LLM observability, deployed as a single binary.
OOpenTelemetry
OpenTelemetry is the open standard and toolkit for traces, metrics, and logs. It is free; you still need a backend to store the data.
OOpik
Opik by Comet is an Apache-2.0 open-source platform to trace, evaluate and monitor LLM apps, RAG systems and agents, with test suites, LLM-as-judge evals and a free cloud tier.
OOWASP Amass
OWASP Amass is an Apache-2.0 tool for in-depth attack surface mapping and external asset discovery using open-source intelligence and active techniques.
OOWASP Dependency-Track
OWASP Dependency-Track is an Apache-2.0 SBOM-driven component analysis platform that tracks components across your portfolio and flags vulnerable, outdated or policy-violating dependencies.
PParca
Parca is an Apache-2.0 continuous profiling project that analyses CPU and memory usage down to the line number over time, using an eBPF agent.
PPingdom
A performance monitoring tool that provides insights into your website's speed, uptime, and user interactions.
PPixie
Pixie is an Apache-2.0 CNCF project for instant, Kubernetes-native application observability using eBPF to capture telemetry without code changes.
PPrometheus
Prometheus is the CNCF's Apache-2.0 systems and service monitoring system: a multi-dimensional time-series database with PromQL, pull-based scraping, service discovery and alerting rules.
PProwler
Prowler is an Apache-2.0 open-source cloud security platform that automates security and compliance checks across AWS, Azure, GCP, Kubernetes and more, with a CLI and local server.
PPumba
Pumba is an Apache-2.0 chaos testing, network emulation and stress testing tool for Docker containers, able to kill, pause and stop containers and add network delays or packet loss.
RRestQA
🦏 | Best in class Microservice automation testing.
RRollbar
Rollbar is an error monitoring service that groups exceptions, tracks deploys and alerts teams in real time, with a free plan including 5,000 occurrences.
RRunScope
API performance monitoring.
SSematext
IT system monitoring and management tools for DevOps who need 24x7 live visibility into their infrastructure.
SSentry
Sentry groups application errors and traces them across services. The hosted product has a free developer plan and paid team plans.
SSigNoz
SigNoz is an OpenTelemetry-native observability platform with logs, metrics, traces, alerts and dashboards in one place; open-source self-hosted, plus SigNoz Cloud with a 30-day trial and usage pricing from $49.
SSpeedCurve
SpeedCurve (now SpeedCurve by Embrace) is a web performance monitoring service combining synthetic testing and real-user monitoring (RUM), with plans from $90 a month.
SSteadybit
Steadybit is a chaos engineering and reliability platform with a 30-day free trial and an open-source Reliability Hub of 200+ actions for injecting faults and verifying resilience.
TToxiproxy
Toxiproxy is Shopify's MIT-licensed TCP proxy for simulating network and system conditions such as latency, timeouts and bandwidth limits in chaos and resiliency testing.
TTruLens
TruLens is an MIT-licensed, OpenTelemetry-native library for tracing and evaluating LLM apps and agents with explainable LLM judges, maintained by Snowflake.
UUptime Kuma
Uptime Kuma is an MIT-licensed, easy-to-use self-hosted monitoring tool for HTTP(s), TCP, keyword, JSON query, WebSocket, ping, DNS, push and Docker monitors, with 90+ notification services and status pages.
UUptimeRobot
UptimeRobot is a widely used uptime monitoring service for websites, APIs, ports, keywords and SSL, with a free plan and paid Solo, Team and Scale plans.
UUptrace
Uptrace is an AGPL-3.0 open-source APM built on OpenTelemetry for traces, metrics and logs, storing data in ClickHouse, with self-hosted and cloud options.
UUptrends
Monitor web and API user journeys from 230+ ISP-based locations worldwide and feed outside-in synthetic insights into your open observability platform.
UUpzilla
Monitor website uptime, performance, availability monitoring and server uptime/downtime checks from multiple locations.
VVector
Vector is an MPL-2.0 high-performance observability data pipeline from Datadog for collecting, transforming and routing logs and metrics, written in Rust.
VVictoriaMetrics
VictoriaMetrics is an Apache-2.0 fast, cost-effective monitoring solution and time-series database compatible with Prometheus, available single-node or clustered.
WWiz
Wiz is a cloud security platform that connects code, cloud and runtime into one agentic cybersecurity platform covering posture, vulnerabilities, identities, data and AI security.
ZZabbix
Zabbix is an AGPL-3.0 enterprise-class monitoring platform for networks, servers, VMs, applications and cloud, with agents, templates, alerting and dashboards.
ZZipkin
Zipkin is an Apache-2.0 distributed tracing system that gathers timing data to troubleshoot latency problems in service architectures, with a UI for finding and viewing traces.