Comparison

Glowroot vs Skylight

On the evidence we track, Skylight leads this comparison with a composite score of 59/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Glowroot53
Skylight59
Score
Vioscale score
Glowroot53 / 100medium · 53%updating
Skylight59 / 100low · 49%updating
Pricing
Free tier
Glowroot
Skylight
Model
Glowrootopen_source
Skylightfreemium
Price level
Glowrootfree
Skylightmid
Transparent
Glowroot
Skylight
Integrations
Count
Glowroot50
Skylight7
Reliability
Status page
Glowroot
Skylight
Adoption
Dependent repos
Glowroot13
Skylight
Github stars
Glowroot1,355
Skylight
Activity
Commits last 30d
Glowroot27
Skylight
Release
Cadence days
Glowroot19
Skylight
History
Glowroot20 items
Skylight
License
Spdx
GlowrootApache-2.0
Skylight
Language
Primary
GlowrootJava
Skylight
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for apm tools. “-” means undocumented, not absent.

Instrumentation
Auto-instrumentation
Glowroot
Skylight
Distributed tracing
Glowroot
Skylight-
Insight
Service map
Glowroot-
Skylight-
Code / continuous profiling
Glowroot
Skylight
Database monitoring
Glowroot
Skylight
Error analytics
Glowroot
Skylight
Real-user monitoring
Glowroot-
Skylight
SLO / error-budget tracking
Glowroot-
Skylight-
Intelligence
Anomaly / root-cause AI
Glowroot-
Skylight
Standards
OpenTelemetry support
GlowrootNone
Skylight-
Core
Language agents
GlowrootJava
SkylightRuby, Rails, Sinatra, Grape
Deployment
Hosting
GlowrootSelf-hosted only
SkylightCloud only

What each one is

The product in its own terms, so the numbers below have context.

Glowroot

Glowroot is a Java application performance monitoring (APM) tool that captures request traces, provides continuous profiling, response time analysis, and database monitoring with extensive library and framework instrumentation.

Independently observed

Skylight

Leader

Skylight visualizes performance data to help identify and fix bottlenecks in Ruby and Rails apps. It includes endpoint analysis, SQL profiling, deploy tracking, and background job monitoring.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Glowroot

Open source
as of verify ↗

Skylight

Leader
from $20/moHybridFree tier30-day trial

Free tier with 100,000 monthly traces; paid tiers starting at $20/month

  • FreeFree
  • Pay-as-you-goStarting at $20/month
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Glowroot
Skylight
Deployment
Cloud / SaaS
Glowroot
Skylight
Self-hosted
Glowroot
Skylight

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Glowroot

39 total
  • 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
Independently observed

Skylight

Leader
7 total
  • Sidekiq
  • DelayedJob
  • ActiveJob
  • Sinatra
  • Grape
  • GraphQL
  • MCP
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.