os-alt

self-host the SaaS you're paying for

← all SaaS comparisons

Fathom Analytics vs Mixpanel

Self-host either: open-source alternatives compared. · Category: observability & analytics

Both Fathom Analytics and Mixpanel are in the observability & analytics category. Plausible Analytics self-hosts as a replacement for both — listed below alongside the picks unique to each.

Fathom AnalyticsMixpanel
CategoryPrivacy-first web analyticsProduct analytics
SaaS pricing anchor$15/mo for 100k pageviews; $44/mo for 400k; $80/mo for 1MFree up to 1M events/mo; Growth from $20/mo and scales fast
Self-host options listed33

Replaces both — 1 shared open-source pick

These open-source projects appear on both /fathom-analytics/ and /mixpanel/ — picking one solves the migration off either SaaS.

Plausible Analyticsplausible/analyticsalivereplaces both

GitHub
★ 24.8k · last commit today
License
AGPL-3.0
Setup time
15min docker-compose (Elixir app + ClickHouse + Postgres)
Monthly cost
$10/mo VPS; ClickHouse is the heaviest piece, fine on a single 2GB instance for a few sites.

Picks unique to each

Fathom Analytics only

  • Umamialive
    MIT10min docker-compose (Next.js + Postgres or MySQL)$5/mo VPS — Postgres-based, very light.
  • GoatCounteralive
    EUPL-1.25min single-binary$3/mo VPS — Go binary + SQLite, runs anywhere.

Mixpanel only

  • PostHogalive
    MIT (core) / Functional Source (cloud-only modules)30min docker-compose (single-node)$20-40 VPS — ClickHouse is the heavy process, wants 4GB+ RAM.
  • Countlyalive
    AGPL-3.030min (their installer or docker-compose)$10 VPS — Mongo-backed, plan for 4GB RAM.

In a terminal? npx os-alt fathom-analytics or npx os-alt mixpanel prints either side — how the CLI works →

FAQ

Which open-source self-host alternatives replace both Fathom Analytics and Mixpanel?

1 open-source project appears on both /fathom-analytics/ and /mixpanel/: Plausible Analytics.

How many self-host alternatives are listed for Fathom Analytics and Mixpanel?

3 for Fathom Analytics, 3 for Mixpanel.

Are all the self-host alternatives free?

Yes — every listed option is open source. Your cost is the VPS or hardware that runs it.