Glowroot vs Skylight
No clear leader: Skylight (53.9) and Glowroot (50.1) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for apm tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Glowroot
A lightweight APM solution for Java applications that helps identify performance bottlenecks and understand application behavior with low overhead and straightforward deployment options.
Skylight
A service that tracks how Ruby applications perform in production, showing developers where their code spends time and what changes affect response speeds, with tools to spot slow endpoints and prevent performance regressions.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Glowroot
- Apache Camel
- Cassandra
- EJB
- Elasticsearch
- Grails
- Hibernate
- Apache HttpClient
- Apache HttpAsyncClient
- AsyncHttpClient
- OkHttp
- JavaMail
- JAX-RS
- JAX-WS
- JDBC
- JMS
- JSF
- JSP
- Kafka
- JUL
- Log4j
- Logback
- MongoDB
- Netty
- Play Framework
- +15 more
Skylight
- Sidekiq
- DelayedJob
- ActiveJob
- Sinatra
- Grape
- GraphQL
- MCP
- GitHub
- Rails
Glowroot or Skylight: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.