The best open source alternative to DataFast is Umami. If that doesn't suit you, we've compiled a ranked list of other open source DataFast alternatives to help you find a suitable replacement. Other interesting open source alternatives to DataFast are: Plausible, OpenWebAnalytics, Swetrix, and Betterlytics.
DataFast alternatives are mainly Web Analytics. Browse these if you want a narrower list of alternatives or looking for a specific functionality of DataFast.
A lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights.

Umami is a powerful, user-friendly web analytics platform designed for the privacy-conscious website owner. Unlike traditional analytics tools, Umami puts your data control and user privacy at the forefront.
Key benefits of Umami include:
With Umami, you get powerful insights into your website's performance without sacrificing your visitors' privacy. It's the perfect solution for businesses, bloggers, and developers who want a ethical, feature-rich alternative to mainstream analytics tools.
Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.

Plausible is a powerful, privacy-friendly alternative to traditional web analytics platforms. It offers a clean, intuitive interface that delivers essential website metrics without overwhelming users with unnecessary data.
Key benefits of Plausible include:
Plausible empowers website owners to make informed decisions while respecting visitor privacy. Its simple setup process and straightforward reporting make it an excellent choice for businesses, bloggers, and developers who value both data insights and ethical practices.
Open-source web analytics platform offering comprehensive visitor tracking, customizable dashboards, and data ownership for websites and applications.

OpenWebAnalytics is a robust, open-source web analytics solution that puts you in control of your data. This versatile platform offers a comprehensive set of features to help you understand your website's performance and visitor behavior.
Key benefits include:
Whether you're a small business owner, developer, or enterprise user, OpenWebAnalytics provides the tools and flexibility to make data-driven decisions and optimize your online presence.
Privacy-first web analytics with real-time dashboards, session replays, error tracking, A/B testing, and GDPR compliance out of the box. No cookies, no consent banners.

Swetrix is a Google Analytics alternative built for teams who want clear, actionable data without the cookie consent headaches. It tracks visitors without cookies or personal data, so you don't need consent banners and you don't lose the 30-40% of traffic data that users typically block by declining them.
The tracking script weighs under 5KB, drops into any CMS or framework, and requires no SDK migration. Setup is fast, and the dashboard is designed to surface what you actually need without burying metrics in nested menus.
Web analytics capabilities include:
Product analytics goes deeper:
Swetrix is fully open source and self-hostable. Teams that want full infrastructure control can run it on their own servers at no cost. For everyone else, a hosted cloud version is available with a 14-day trial.
Compared to tools like Simple Analytics or Fathom Analytics, Swetrix covers more product analytics ground, including session replays, error tracking, and experimentation, while staying in the privacy-first, cookieless category. OpenPanel and Rybbit are closer feature-for-feature competitors in the open source space.
GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.

Privacy-respecting analytics that give you deep insights without compromising your visitors' privacy. Betterlytics collects anonymous data with no cookies or personal information tracking, eliminating the need for consent banners.
Key features include:
Universal compatibility works seamlessly with any website, framework, or platform including React, Next.js, Vue, WordPress, Shopify, and countless others. The lightweight script (under 1KB) ensures fast loading times.
Complete data ownership with options for cloud hosting or self-deployment using Docker. EU-based servers ensure GDPR compliance with strict data protection standards.
Developer-friendly setup requires just one line of code to start tracking immediately. Advanced customization options and comprehensive documentation make integration effortless for teams of any size.
Self-hosted or managed web analytics with zero external dependencies. Cookie-free tracking, full data sovereignty, and single binary deployment for organizations that own their data.

Privacy-first web analytics designed for organizations that refuse to compromise on data sovereignty. Unlike traditional analytics platforms that require sending visitor data to third-party clouds, HitKeep keeps everything under your control.
Complete data ownership with a single binary deployment (~80MB) that includes everything needed - no PostgreSQL, Redis, or complex multi-service stacks to manage. DuckDB and NSQ are embedded directly, creating a zero external dependencies solution that runs on your infrastructure or in managed EU/US cloud regions.
Built for regulated industries including government agencies, healthcare organizations, and financial services. Deploy on air-gapped networks, maintain HIPAA compliance, and satisfy strict security requirements with cookie-free tracking that processes no personal identifiers.
Enterprise-ready features include:
Compliance by design with GDPR-ready controls, zero telemetry, and full source code audit under MIT license. Scale from a single $4 VPS to Leader/Follower clusters with Kubernetes support and health probes.
Your analytics data lives in one file (hitkeep.db) on your server. Export everything, set your own retention policies, and maintain complete control over where your data physically resides.
Prisme offers customizable, GDPR-compliant web analytics with real-time insights, unlimited data retention, and bot filtering.

Prisme Analytics is an open-source, privacy-focused web analytics platform designed for businesses that value data-driven decisions without compromising user privacy.
Built with GDPR compliance at its core, Prisme eliminates the need for cookie banners while still providing comprehensive insights into your website's performance. The platform offers:
Prisme is designed to be easy to set up and use, with a lightweight tracking script that won't impact your site's performance or SEO. The platform is built on top of industry-leading open-source technologies like Grafana and ClickHouse, ensuring reliability and scalability.
Whether you're running a small blog or a large e-commerce site, Prisme Analytics provides the tools you need to understand your audience, optimize your content, and drive growth – all while respecting user privacy and maintaining full ownership of your data.
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