9 Open Source Alternatives to Fathom Analytics

A list of 9 carefully selected open-source alternatives to Fathom Analytics.

Adrian
Created by
Adrian
Mar 9, 2025Updated9 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of Fathom Analytics open-source alternatives — each with its own distinctive strengths and key features.

#1
PostHog logo

PostHog

24,807
1,538

PostHog is an open-source platform that delivers web and product analytics, session replay, feature flagging, and A/B testing—all in one self-hosted solution. It empowers developers to gain deep insights into user behavior and safely roll out new features with confidence.

PostHog screenshot

Key Features

  • Open-source analytics with auto-capture, conversion funnels, and SQL queries
  • Session replay for detailed insights into user interactions
  • Feature flags and A/B testing for safe and controlled feature rollouts
  • Comprehensive API integration for complete data access
  • Flexible, usage-based pricing with a generous free tier option

PostHog integrates event-based analytics with session recording and feature flag management, enabling developers to test and iterate on new ideas quickly. With built-in SQL access, detailed user path analysis, and comprehensive API support, it provides a unified toolkit to build, monitor, and optimize your product. The platform’s design emphasizes transparency and scalability, featuring generous free tiers and usage-based pricing that adapts as your needs grow.

#2
Umami logo

Umami

25,149
4,622

Umami is a fast, privacy-focused analytics platform designed as a modern alternative to Google Analytics. It simplifies the process of collecting, analyzing, and understanding website data, allowing you to focus on growth with a user-friendly experience.

Umami screenshot

Key Features

  • Privacy-focused and open source
  • Real-time analytics with trend detection
  • Detailed visitor and traffic analysis
  • Custom events tracking and powerful filtering
  • User journey, retention, and funnel analysis

Umami provides effortless insights into website traffic with features such as real-time data, trend detection, and detailed visitor analysis. With easy installation and an intuitive dashboard, it empowers users to track custom events, apply powerful filters, and analyze conversion funnels. Built as an open source tool, it meets the needs of developers seeking privacy and simplicity in analytics.

#3
Plausible logo

Plausible

21,674
1,157

Plausible is an open source, lightweight, and privacy-friendly web analytics tool that serves as a simple alternative to Google Analytics. It delivers clear website insights on a single dashboard without sacrificing user privacy or site speed.

Plausible screenshot

Key Features

  • Intuitive, one-page dashboard for essential insights
  • Lightweight script that boosts site speed and reduces carbon footprint
  • Privacy-first design with no cookies or personal data tracking
  • Fully compliant with GDPR, CCPA, and PECR
  • Open source code for transparency and self-hosting options
  • Seamless import of historical Google Analytics data
  • Custom event tracking and API integration for flexible reporting
  • Team sharing and customizable access controls

Plausible provides intuitive and actionable website metrics through a streamlined dashboard that displays essential insights such as visitor trends, goal conversions, and engagement rates. Its lightweight script is designed to load quickly, ensuring minimal impact on site performance while maintaining GDPR, CCPA, and PECR compliance. The tool offers easy integration, historical data import from Google Analytics, and flexible event tracking to help users understand their digital traffic effectively.

#4
Matomo logo

Matomo

20,295
2,689

Matomo is a powerful open source web analytics platform that empowers you with full control over your data while ensuring robust privacy protections. It offers an ethical alternative to Google Analytics, allowing you to collect, visualize, and analyze your website and mobile app data without compromising your users' privacy.

Matomo screenshot

Key Features

  • 100% data ownership and built-in privacy compliance
  • Comprehensive tracking with heatmaps, session recordings, and visitor profiles
  • Conversion optimization with funnels, A/B testing, and custom reports
  • Multi-channel attribution and enhanced SEO insights
  • Flexible deployment: Cloud service with free trial or self-hosted open source

Matomo delivers comprehensive analytics solutions that track user behavior across websites and apps, providing 100% data ownership and privacy compliance. Enjoy features such as heatmaps, session recordings, visitor profiles, funnels, A/B testing, and multi-channel attribution, all designed to optimize conversions and boost performance. The flexible platform integrates with over 100 technologies and is accessible via a free cloud trial or self-hosted open source deployment.

#5
OpenPanel logo

OpenPanel

3,773
154

OpenPanel unifies advanced analytics capabilities inspired by Mixpanel and Plausible into one powerful tool. It provides developers with actionable insights through real-time user tracking and intuitive data visualizations.

OpenPanel screenshot

Key Features

  • Combines functionalities of Mixpanel and Plausible
  • Real-time tracking and global user visualization
  • Interactive, developer-friendly dashboards
  • Detailed segmentation and custom reporting

OpenPanel is a comprehensive analytics solution designed to monitor user behavior and track real-time activity globally. With interactive dashboards and detailed visualizations, it offers developers a streamlined platform to analyze user engagement and performance metrics. The tool integrates features that allow for easy segmentation and reporting, making data-driven decisions more accessible.

OpenWebAnalytics is a free and open source web analytics framework designed to give you complete control over how you gather and analyze data from your website or app. It provides a robust suite of features that rival commercial tools, ensuring flexibility, privacy, and deep insights.

Key Features

  • First party control by running on your own domain
  • Highly customizable framework to meet unique analytics needs
  • Extensive set of standard metrics, dimensions, and reports
  • Advanced features like heatmaps, clickstreams, and DOM element tracking
  • Robust Data Access API for integrating raw data
  • Privacy controls aligned with GDPR and other frameworks

OpenWebAnalytics offers a comprehensive solution for tracking website and application usage through a customizable dashboard that displays a wide array of metrics, heatmaps, and clickstream data. It enables first party control by running on your own domain, integrates with popular CRM systems, and includes an extensive API for raw data access. The platform is designed to help you analyze detailed visitor behavior while maintaining privacy and compliance with modern data regulations.

#7
Countly logo

Countly

5,651
974

Countly is a comprehensive product analytics platform that helps teams track, analyze, and act on user behavior across mobile, web, and desktop applications. It offers an all-in-one, privacy-led solution that replaces multiple tools with a feature-packed platform designed for modern data-driven organizations.

Countly screenshot

Key Features

  • All-in-one analytics solution replacing the need for multiple tools
  • Privacy-led approach with 100% data control and ownership
  • Over 70 integrated features including push notifications, crash analytics, and heatmaps
  • Flexible deployment options: self-hosted or cloud-based
  • Scalable and customizable with extensive SDK integrations

Countly unifies over 70 powerful features within a flexible, plugin-based architecture, allowing teams to craft custom user journeys and gain deep insights into product engagement. With options for both self-hosted and cloud deployments, the platform ensures complete data ownership and control, helping businesses streamline analytics processes and make informed, real-time decisions.

Swetrix is a privacy-first, cookie-less web analytics tool that offers website speed monitoring and error tracking. It provides actionable insights without compromising user privacy, and you can choose to host it yourself or use it in the cloud.

Swetrix screenshot

Key Features

  • Cookie-less, privacy-first tracking
  • Open source with self-hosting options
  • GDPR compliant without intrusive cookie banners
  • Comprehensive user and traffic analytics
  • Website speed monitoring and error tracking
  • Customizable features with Extensions Marketplace
  • Integrations with popular platforms and frameworks

Swetrix collects comprehensive analytics data such as user clicks, scrolls, session analysis, and traffic insights without resorting to cookies. Its intuitive dashboard helps you monitor website performance, track errors, and visualize user flows, all while maintaining GDPR compliance. The tool supports full customization through third-party add-ons and integrations with popular platforms, offering flexibility and transparency in your analytics.

Prisme Analytics is an open source, privacy-focused analytics service that offers deep customer insights with forever data retention. Built and hosted in the EU, it ensures complete GDPR compliance while protecting user privacy.

Prisme Analytics screenshot

Key Features

  • Privacy-focused and fully GDPR, PPCA, PECR, and CCPA compliant
  • Real-time analytics with bot filtering for authentic data
  • Unlimited websites, pageviews, events, and dashboards
  • Forever data retention with an intuitive web analytics dashboard
  • Easy integration with popular tools like Grafana, numpy, and pandas
  • Custom event tracking and flexible visualizations

Prisme Analytics streamlines the process of gaining valuable insights by providing an easy setup workflow: sign up, add the tracking script, and view your data on an intuitive dashboard. It offers progressive analytics with custom event tracking, flexible visualizations, and direct API access for in-depth data exploration. Its lightweight script ensures excellent SEO performance and scales to handle sudden traffic spikes, delivering only real, human visit data.

Price comparison of Fathom Analytics open-source alternatives

ToolTier 1Tier 2Tier 3Details
PostHog logo
PostHog
$0
Free Tier
$0.00005
Usage-Based Pricing
-Learn more
Plausible logo
Plausible
$9
Growth
$19
Business
-
Enterprise
Learn more
Matomo logo
Matomo
$29
Cloud
$0
On-Premise
-Learn more
Countly logo
Countly
$0
Flex
-
Enterprise
-Learn more
Swetrix logo
Swetrix
$5
Basic Plan
--Learn more
Prisme Analytics logo
Prisme Analytics
$8.99
All inclusive plan
--Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About Fathom Analytics

Fathom Analytics is an ethical and privacy-focused company founded by Jack Ellis and Paul Jarvis. This brand is dedicated to providing a privacy-focused product without any outside funding or capital. They offer a range of products and services to help you understand your website visitors without compromising their privacy. Fathom Analytics is a simple and easy-to-use alternative to Google Analytics, designed for European companies, agencies, and bootstrappers. Their features include the GA Importer, which allows you to save your Google Analytics data, EU Isolation for GDPR compliance, and a secure data journey that anonymously processes data. Fathom Analytics also offers a blog where you can find the latest digital privacy news, a podcast called Above Board where you can follow the journey of building and growing Fathom Analytics, and documentation and tips for developers. If you're looking for reliable and privacy-focused website analytics, Fathom Analytics is the best choice. Sign up for a free trial and join the growing community of users who value privacy and ethical practices.
This comparison data was compiled with AI assistance.
Fathom Analytics logo

Fathom Analytics

Ditch complex, intrusive analytics for Fathom - a better Google analytics alternative. Experience ease of use, forever data retention & full legal compliance.

Founded

2019

Employees

2

Location

Victoria, Canada

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