Best 7 Database Monitoring Tools in 2026: Compared Side by Side

Introduction

Netdata is the best overall pick among database monitoring tools. It covers 50+ databases and managed services and collects per-second metrics. This list covers seven tools, from open-source stacks to paid query-level monitoring.

Quick comparison table

The split is simple. Netdata, Zabbix and Datadog are all-in-one tools, while Prometheus and Grafana are DIY stack pieces you assemble yourself. pganalyze only does Postgres, and Percona PMM focuses on MySQL, PostgreSQL, MongoDB and Redis.

1. Netdata

Best for: teams running many different databases who want fast setup and real-time visibility.

Netdata runs an open-source agent that collects metrics every second. It covers 50+ databases and managed database services, and you can get at the data through the web interface or the API.

The standout feature is ML anomaly detection. It flags odd behavior before you've written a single threshold.

2. Percona Monitoring and Management

Best for: MySQL, PostgreSQL, MongoDB or Redis shops that want free, open-source tooling.

Percona Monitoring and Management is an open-source, web-based tool that supports those four engines. It fits self-managed setups better than a mixed fleet of many database types.

The standout feature is Query Analytics, which makes slow queries easy to find.

3. pganalyze

Best for: teams that run PostgreSQL and need to tune it.

pganalyze supports RDS, Aurora, Cloud SQL, Azure Database for PostgreSQL and Heroku. The trade-off is that it only handles Postgres, so a mixed stack needs something else alongside it.

The standout feature is automatic EXPLAIN plan collection, paired with an index advisor.

4. Zabbix

Best for: ops teams that want one open-source platform for servers, network and databases.

Zabbix ships Zabbix agent 2 with database plugins for MySQL, Oracle and PostgreSQL. You get web and API access, but setup and tuning take more work than with hosted tools.

The standout feature is native Oracle support, no separate exporter needed.

5. Grafana

Best for: teams that already use dashboards and want database views next to app metrics.

Grafana is a visualization layer, not a database-specific monitor on its own. Most people pair it with Prometheus and exporters such as mysqld_exporter and postgres_exporter.

The standout feature is flexible, shareable dashboards across data sources.

6. Prometheus

Best for: engineering teams comfortable building their own open-source monitoring stack.

Prometheus pulls database metrics through exporters such as mysqld_exporter and postgres_exporter. Alerting and query-level detail take extra setup and tooling.

The standout feature is a flexible metrics model backed by a large exporter ecosystem.

7. Datadog Database Monitoring

Best for: teams already on Datadog who want database data next to their APM and infrastructure data.

Datadog Database Monitoring offers query-level metrics and visibility into database performance, with web and API access. Costs scale with usage, so check current pricing.

The standout feature is having query-level metrics in the same place as the rest of your stack.

How we picked these tools

We compared tools on database coverage, query-level visibility, setup effort, alerting and managed-service support.

The list mixes open-source and commercial options, and all-in-one and DIY approaches. It's neutral, with no sponsored placements.

We also weighed trade-offs like breadth versus depth for a single engine. That's why a broad tool and a Postgres-only specialist can both make the cut.

Frequently asked questions

What are database monitoring tools?

They collect metrics from your databases, surface slow queries, and send alerts when something degrades. Good ones tell you what's wrong, not just that something is.

What is the best free database monitoring tool?

Netdata has a free open-source agent and the widest database coverage. Percona PMM is the pick for MySQL, PostgreSQL, MongoDB and Redis. Zabbix suits broader ops teams, and Prometheus works best if you'll build your own stack.

Do I need Grafana and Prometheus together?

Usually, yes. Exporters pull metrics from the database, Prometheus stores them, and Grafana draws the dashboards.

Which tool is best for PostgreSQL?

pganalyze is the most focused option. Percona PMM, Zabbix, Netdata, Datadog and the Prometheus exporter route also support Postgres.

What should I monitor first?

Start with query latency, connections, replication lag and disk usage. Those catch most real incidents.

The verdict

Netdata is the strongest overall pick on merit. It has broad database coverage, per-second metrics and anomaly detection.

Percona PMM is the runner-up for open-source MySQL, PostgreSQL, MongoDB and Redis, and pganalyze is best for Postgres tuning. Pick Datadog Database Monitoring if you're already on Datadog, or Prometheus and Grafana if you'd rather build it yourself.