StackShareStackShare
Follow on
StackShare

Discover and share technology stacks from companies around the world.

Follow on

© 2025 StackShare. All rights reserved.

Product

  • Stacks
  • Tools
  • Feed

Company

  • About
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  1. Stackups
  2. DevOps
  3. Performance Monitoring
  4. Performance Monitoring
  5. SeaLion vs Skylight

SeaLion vs Skylight

OverviewComparisonAlternatives

Overview

Skylight
Skylight
Stacks105
Followers69
Votes51
SeaLion
SeaLion
Stacks2
Followers10
Votes0

SeaLion vs Skylight: What are the differences?

SeaLion: Quickly diagnose problems with your Linux servers. SeaLion is a cloud based system monitoring tool for Linux servers. Getting started is as easy as executing a command. It installs an agent at /usr/local/sealion-agent and runs as an unprivileged user (sealion). This agent will collect data at regular intervals across servers and this data will be available on your workspace. The latest version is shipped with 5 default services namely Apache, NGINX, MongoDB, MySQL, Redis; Skylight: The smart profiler for your Rails apps. Skylight is a smart profiler for your Rails apps that visualizes request performance across all of your servers.

SeaLion and Skylight can be primarily classified as "Performance Monitoring" tools.

Some of the features offered by SeaLion are:

  • Raw output. No learning curve
  • Quickly identify critical issues
  • Historical analysis

On the other hand, Skylight provides the following key features:

  • Skylight looks at how your code is behaving in production, alerting you to improvements you can make before they become showstoppers.
  • Skylight tells you exactly how your app is spending its time where it matters most—in your production environment
  • Pricing starts at $20 for the first million requests, with automatic discounts for high-volume customers

Share your Stack

Help developers discover the tools you use. Get visibility for your team's tech choices and contribute to the community's knowledge.

View Docs
CLI (Node.js)
or
Manual

Detailed Comparison

Skylight
Skylight
SeaLion
SeaLion

Skylight is a smart profiler for your Rails apps that visualizes request performance across all of your servers.

SeaLion is a cloud based system monitoring tool for Linux servers. Getting started is as easy as executing a command. It installs an agent at /usr/local/sealion-agent and runs as an unprivileged user (sealion). This agent will collect data at regular intervals across servers and this data will be available on your workspace. The latest version is shipped with 5 default services namely Apache, NGINX, MongoDB, MySQL, Redis.

Skylight looks at how your code is behaving in production, alerting you to improvements you can make before they become showstoppers.;Skylight tells you exactly how your app is spending its time where it matters most—in your production environment;Pricing starts at $20 for the first million requests, with automatic discounts for high-volume customers;Skylight is built with badass hipster tech: Ruby on Rails, Ember.js, Rust, Storm, Dropwizard, Kafka, Cassandra, and more.
Raw output. No learning curve ; Quickly identify critical issues ; Historical analysis ; Proactive monitoring ; NGINX, Apache, MySQL, MongoDB, Redis integration
Statistics
Stacks
105
Stacks
2
Followers
69
Followers
10
Votes
51
Votes
0
Pros & Cons
Pros
  • 11
    Beautiful UI
  • 8
    Sort by 'agony' - lists low hanging fruit fixes
  • 8
    Made by ember.js and rails core team members
  • 7
    Actionable analytics with concrete numbers
  • 6
    Free tier
Cons
  • 1
    Comparing different timeframes is difficult
No community feedback yet
Integrations
No integrations available
Apache HTTP Server
Apache HTTP Server
NGINX
NGINX
Redis
Redis
MongoDB
MongoDB
MySQL
MySQL

What are some alternatives to Skylight, SeaLion?

New Relic

New Relic

The world’s best software and DevOps teams rely on New Relic to move faster, make better decisions and create best-in-class digital experiences. If you run software, you need to run New Relic. More than 50% of the Fortune 100 do too.

Datadog

Datadog

Datadog is the leading service for cloud-scale monitoring. It is used by IT, operations, and development teams who build and operate applications that run on dynamic or hybrid cloud infrastructure. Start monitoring in minutes with Datadog!

Raygun

Raygun

Raygun gives you a window into how users are really experiencing your software applications. Detect, diagnose and resolve issues that are affecting end users with greater speed and accuracy.

AppSignal

AppSignal

AppSignal gives you and your team alerts and detailed metrics about your Ruby, Node.js or Elixir application. Sensible pricing, no aggressive sales & support by developers.

AppDynamics

AppDynamics

AppDynamics develops application performance management (APM) solutions that deliver problem resolution for highly distributed applications through transaction flow monitoring and deep diagnostics.

Stackify

Stackify

Stackify offers the only developers-friendly innovative cloud based solution that fully integrates application performance management (APM) with error and log. Allowing them to easily monitor, detect and resolve application issues faster

Librato

Librato

Librato provides a complete solution for monitoring and understanding the metrics that impact your business at all levels of the stack. We provide everything you need to visualize, analyze, and actively alert on the metrics that matter to you.

Keymetrics

Keymetrics

PM2 is a production process manager for Node.js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks.

Dynatrace

Dynatrace

It is an AI-powered, full stack, automated performance management solution. It provides user experience analysis that identifies and resolves application performance issues faster than ever before.

SignalFx

SignalFx

We provide operational intelligence for today’s elastic architectures through monitoring specifically designed for microservices and containers with: -powerful and proactive alerting -metrics aggregation -visualization into time series data

Related Comparisons

GitHub
Bitbucket

Bitbucket vs GitHub vs GitLab

GitHub
Bitbucket

AWS CodeCommit vs Bitbucket vs GitHub

Kubernetes
Rancher

Docker Swarm vs Kubernetes vs Rancher

gulp
Grunt

Grunt vs Webpack vs gulp

Graphite
Kibana

Grafana vs Graphite vs Kibana