AltFreeStack
ESEN
+165 vetted open source alternatives

Build your stack.open source, self-hosted.

Compare open source tools by license, RAM and deployment method, and build a real self-hosted stack to replace Notion, Slack, Airtable, Google Analytics and dozens more SaaS tools.

  1. Discover
  2. Compare
  3. Build
  4. Deploy
Build your stackExplore alternatives

165+

tools

117+

SaaS covered

15

categories

$0

in license fees

Replaces tools like

NotionSlackAirtableSalesforceGoogle AnalyticsFirebaseCalendlyZapier
Notion
AppFlowy
Open-CoreDocker ReadyMin. RAM ~1GB
Example stack

5 tools

This is how light a real self-hosted stack can be.

Min. RAM ~5.3GB
Docker Ready
Estimated savings: $47/mo
Build this stack

Not sure what you're looking for? Explore a few options

Categories

Productivity26Web Analytics13Dev Tools28CRM & Support15Artificial Intelligence20Storage13E-commerce9Video Conferencing7Password Managers5Auth & Identity8Deployment, PaaS & Hosting5Monitoring, Logs & Errors6Marketing, Forms & Emailing4Smart Home2Media Automation4

Featured & recently added

View the full catalog →

AppFlowy

Alternative to Notion

Plane

Alternative to Jira, Asana, Linear

Plausible Analytics

Alternative to Google Analytics

PostHog

Alternative to Mixpanel, Amplitude

Twenty

Alternative to Salesforce, HubSpot

Supabase

Alternative to Firebase

Looking for something more specific?

Filter by category, license or tag across the 165 tools already audited (+31 coming soon).

Browse the full catalog