August 28, 20264 min read

The best open-source analytics tools in 2026

Egger & Co
Egger & Co
Company

TL;DR: The best open-source analytics tools in 2026 are Umami (simple MIT), Matomo (deepest), and Plausible CE (familiar UI). Fathom Lite covers a narrower self-host niche. Choose managed Reignat when you want revenue, journeys, and funnels without running Postgres yourself.

Open source matters for auditability and data residency you control. It is not automatically cheaper once you price engineering time. If you want the managed path with privacy-first defaults, see Reignat.

Check the meter before the price

Two tools can both say "$9 a month" and mean different things. Some meter pageviews (one page load). Others meter events (a pageview or anything you tag — signup, purchase, click). If you only look at pages, a pageview meter stretches further; if you tag conversions, compare event meters honestly. Reignat meters events. Read the meter line on every plan before the dollar amount.

Open-source and adjacent options

01. Umami

The free self-host choice, with a hosted cloud if you would rather not run a server.

Price: Free self-hosted; Umami Cloud free Hobby (~100k events), paid from ~$9–20/mo.

Strengths

  • Genuinely free if you run your own stack
  • Clean, familiar dashboard
  • Open source with a simple license

Trade-offs

  • Self-hosting is yours to maintain and back up
  • No payment-provider revenue attribution
  • Less depth on funnels and journeys than product analytics tools

02. Matomo

The heavyweight for teams that want GA-level depth they can host themselves.

Price: Free self-host; Matomo Cloud paid (tiered); plugins add cost on-prem.

Strengths

  • Deepest feature set of the open-source options
  • Self-hostable with full data ownership
  • Long track record and large ecosystem

Trade-offs

  • Heavier to run and to read than lightweight tools
  • Some features are paid plugins on top
  • Closer to GA's complexity than away from it
  • Cookie / consent posture depends on configuration

03. Plausible

The default lightweight, open-source privacy dashboard: one clean page of numbers.

Price: From ~$9/mo for 10,000 pageviews (Starter); Growth/Business unlock more features.

Strengths

  • Simplest dashboard in the category
  • EU-owned and EU-hosted cloud
  • Open source and self-hostable

Trade-offs

  • Funnels, journeys, and revenue sit on higher tiers
  • Custom events share the pageview meter
  • Aggregate-first — less per-visitor depth on entry plans

04. Fathom

Flat, multi-site pricing for people with many properties or high untagged traffic.

Price: From $15/mo for 100,000 pageviews (50+ sites on entry plans).

Strengths

  • Generous site counts on every plan
  • Strong pageview allowance at the entry tier
  • Imports from Universal Analytics and GA4

Trade-offs

  • Aggregate-only by design — no individual visitor trail
  • Custom events share the pageview meter
  • Hosted product is closed source

05. Reignat

That's us

Revenue-first, privacy-friendly analytics with journeys, funnels, realtime, and an AI assistant — every feature on every plan.

Price: From $9/mo for 10,000 events (7-day trial).

Strengths

  • Revenue attributed back to page, source, and campaign
  • Visitor journeys, funnels, realtime map, and Core Web Vitals in one dashboard
  • AI assistant for plain-language questions
  • Unlimited websites; one usage-based plan with every feature included
  • Lightweight cookieless script (~2 KB)

Trade-offs

  • Hosted product — not a self-host binary
  • Meters events, so tagged conversions count toward the same allowance
  • Younger than Plausible, Fathom, or Matomo

Side by side

A quick comparison. Prices were checked against each product's public pricing on 2026-08-28 and change often — confirm the current plan and meter before you commit.

Umami

  • From: Free self-hosted; Umami Cloud free Hobby (~100k events), paid from ~$9–20/mo
  • Meters: Events
  • Open source: Yes (MIT)
  • Cookieless default: Yes
  • Revenue attribution: No

Matomo

  • From: Free self-host; Matomo Cloud paid (tiered); plugins add cost on-prem
  • Meters: Mixed / plugins
  • Open source: Yes (core)
  • Cookieless default: Depends / no
  • Revenue attribution: Via plugins / ecommerce features

Plausible

  • From: From ~$9/mo for 10,000 pageviews (Starter); Growth/Business unlock more features
  • Meters: Pageviews
  • Open source: Yes (self-host Community Edition)
  • Cookieless default: Yes
  • Revenue attribution: Business plan / limited

Fathom

  • From: From $15/mo for 100,000 pageviews (50+ sites on entry plans)
  • Meters: Pageviews
  • Open source: Lite only (hosted is closed source)
  • Cookieless default: Yes
  • Revenue attribution: No

Reignat

  • From: From $9/mo for 10,000 events (7-day trial)
  • Meters: Events
  • Open source: No (managed product)
  • Cookieless default: Yes
  • Revenue attribution: Yes (Stripe, Polar, Paddle, Lemon Squeezy, Dodo, RevenueCat, custom)

OSS vs managed

  • Want MIT + DIY: Umami.
  • Need deep on-prem analytics: Matomo.
  • Want Plausible UI self-hosted: Plausible CE.
  • Want revenue + journeys without ops: Reignat.

Self-host when ownership is the requirement. Otherwise ship the product and let us run analytics. Start a free 7-day trial — no card required.

Keep reading

Frequently asked questions

What is the best open-source web analytics?

Umami for simple MIT-licensed self-hosting. Matomo for GA-depth. Plausible Community Edition if you want Plausible's UI on your servers. Reignat is managed (not OSS) when you want depth without ops.

Is Reignat open source?

No. Reignat is a managed product. This post still ranks it as the alternative when self-hosting cost exceeds its value — honest about the licence.

Is self-hosting really free?

The software licence can be free; servers, backups, upgrades, and your time are not. Many teams underestimate that total.

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