10 GITHUB REPOS THAT MAKE BILLION-DOLLAR STARTUPS LOOK EMBARRASSING.
Bookmark all of them. Each one is free. Each one replaces something a company raised $50M to build.
1. Plausible
Replaces Google Analytics. No cookies, no GDPR headaches, no surveillance. Clean dashboard, real numbers, zero tracking. Raised $0. Google Analytics raised nothing because Google is Google.
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github.com/plausible/analyti…
2. Penpot
Replaces Figma. Design and prototype in the browser. No subscription. No vendor lock-in. Figma was acquired by Adobe for $20 billion. Penpot is free.
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github.com/penpot/penpot
3. Cal
Replaces Calendly. Scheduling links, team booking, round-robin routing, CRM integrations. Calendly is valued at $3 billion. Cal installs in one command.
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github.com/calcom/cal.com
4. n8n
Replaces Zapier. Workflow automation with 400 integrations. Self-host it and pay nothing. Zapier charges $299/month for what n8n does for free on your own server.
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github.com/n8n-io/n8n
5. Documenso
Replaces DocuSign. E-signatures, document templates, team workflows. DocuSign is a $15 billion company. Documenso is open source and self-hostable.
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github.com/documenso/documen…
6. Formbricks
Replaces Typeform. Surveys, research forms, in-app feedback. Typeform charges $83/month for its business plan. Formbricks is free.
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github.com/formbricks/formbr…
7. Supabase
Replaces Firebase. Database, auth, storage, real-time subscriptions, edge functions. Firebase is owned by Google. Supabase is open source with 75,000 GitHub stars.
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github.com/supabase/supabase
8. Metabase
Replaces Tableau. Business intelligence, dashboards, and data visualizations. Tableau was acquired by Salesforce for $15.7 billion. Metabase self-hosts free.
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github.com/metabase/metabase
9. Listmonk
Replaces Mailchimp. Email newsletters, transactional emails, subscriber management. Mailchimp was acquired for $12 billion. Listmonk runs on a single binary.
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github.com/knadh/listmonk
10. Mattermost
Replaces Slack. Team messaging, channels, threads, file sharing, integrations. Slack sold to Salesforce for $27.7 billion. Mattermost runs entirely on your own server.
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github.com/mattermost/matter…
Combined acquisition and valuation of the companies above: over $80 billion.
Combined cost to self-host every repo on this list: $0.
100% Open Source.