OA
OSS AlternativesBrowse alternatives

Find the best open-source alternatives to popular software

Discover privacy-friendly, self-hosted and open-source alternatives to the tools you use every day.

Browse alternativesExplore categories

Popular open-source alternatives

Alternatives to n8n

Workflow automation

Alternatives to Slack

Team communication

Alternatives to Shopify

Ecommerce platform

Alternatives to Notion

Docs & knowledge base

Alternatives to Airtable

Spreadsheet-database hybrid

Alternatives to Google Analytics

Web analytics

Explore by category

AutomationCommunicationEcommerceProductivityAnalytics

Why OSS Alternatives?

Open source first

Only genuine open-source alternatives — no source-available bait.

Self-hosting information

Quickly see which tools you can host yourself, and how.

Independent comparisons

Compare licenses, features, pricing and use cases side by side.

Featured comparison

Looking for an n8n alternative?

Here are three genuinely open-source workflow automation tools worth considering.

ActivePiecesKestraAutomatisch
See all n8n alternatives

Recently updated guides

Best open-source alternatives to SlackBest open-source alternatives to n8nBest open-source alternatives to Shopify

How we select alternatives

Every tool we list is checked against the same criteria before it earns a place on this site:

  • ·Open-source license (no fake-open or source-available tricks)
  • ·Active development and maintenance
  • ·Self-hosting availability and documented setup
  • ·Feature parity with the proprietary tool
  • ·Project maturity and production readiness
  • ·Any paid tiers or hosted pricing, disclosed clearly
Read our methodology