Free
Free
Glowroot is open source under Apache License 2.0 and free to download and run.
- Access
- Glowroot is open source under Apache License 2.0 and free to download and run.
Glowroot
● Identity checkedMonitoring · Vendor site 2026-10-04
Glowroot is an open-source Java application performance monitoring agent you attach with -javaagent. It exposes a local web UI for traces, metrics, and slow queries with very low overhead, helping teams diagnose production bottlenecks without a heavy commercial APM suite.
- Category
- Monitoring
- Free access
- Glowroot is open source under Apache License 2.0 and free to download and run.
- API access
- Not confirmed
Is Glowroot right for you?
A good fit for
Java teams that want lightweight self-hosted APM with a simple zip-and-run agent instead of SaaS monitoring subscriptions.
Before you choose
You host and operate the agent yourself; the project site does not offer a managed cloud tier or commercial support plans.
Easy open-source Java APM
Glowroot emphasizes fast setup via a Java agent and browser UI so teams can inspect performance data with minimal configuration and low runtime overhead.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Deployment | Homepage instructs downloading glowroot-0.14.0-dist.zip and adding -javaagent to JVM args. | Facts sourced | 2026-10-04 |
| Overhead | Site claims overhead is generally in the low microseconds after tuning and microbenchmarking. | Facts sourced | 2026-10-04 |
| License | Code is licensed under Apache License v2.0 with documentation under CC BY 3.0. | Facts sourced | 2026-10-04 |
Understand the total cost
Glowroot pricing & plans
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Frequently asked questions
What is Glowroot used for?
Glowroot is an open-source Java application performance monitoring agent you attach with -javaagent. It exposes a local web UI for traces, metrics, and slow queries with very low overhead, helping teams diagnose production bottlenecks without a heavy commercial APM suite.
Does Glowroot have a free plan?
Glowroot is open source under Apache License 2.0 and free to download and run.. This record lists ongoing free access; check the plan limits before starting.
How much does Glowroot cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Glowroot through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
You host and operate the agent yourself; the project site does not offer a managed cloud tier or commercial support plans.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.