> /v1/alternatives
Open source alternatives to popular SaaS
For each popular cloud product, the curated list of self-hostable open source alternatives — ranked by GitHub stars and continuously license-monitored.
// /alternatives/notion
Open source alternatives to Notion
All-in-one workspace for notes, docs, wikis, databases, and project management.
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// /alternatives/slack
Open source alternatives to Slack
Real-time team chat, channels, threads, integrations.
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// /alternatives/airtable
Open source alternatives to Airtable
Spreadsheet-database hybrid with views, automations, and forms.
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// /alternatives/zapier
Open source alternatives to Zapier
No-code workflow automation between cloud apps.
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// /alternatives/figma
Open source alternatives to Figma
Collaborative design tool for UI/UX, vector graphics, and prototyping.
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// /alternatives/datadog
Open source alternatives to Datadog
Cloud monitoring, APM, logs, and infrastructure observability.
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// /alternatives/auth0
Open source alternatives to Auth0
Authentication-as-a-service: social login, MFA, SSO, user management.
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// /alternatives/mailchimp
Open source alternatives to Mailchimp
Email marketing, newsletters, and customer engagement.
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// /alternatives/calendly
Open source alternatives to Calendly
Scheduling, booking links, calendar coordination.
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// /alternatives/google-analytics
Open source alternatives to Google Analytics
Web analytics, traffic insights, conversion tracking.
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// /alternatives/github
Open source alternatives to GitHub
Git hosting, code review, issues, CI/CD, packages.
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// /alternatives/heroku
Open source alternatives to Heroku
Platform-as-a-Service for deploying and scaling apps.
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// /alternatives/firebase
Open source alternatives to Firebase
Backend-as-a-Service: auth, database, storage, functions.
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// /alternatives/twilio
Open source alternatives to Twilio
Programmable SMS, voice, and messaging APIs.
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// /alternatives/stripe
Open source alternatives to Stripe
Payments, subscriptions, invoicing, billing.
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// /alternatives/intercom
Open source alternatives to Intercom
Customer messaging, helpdesk, in-app chat.
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// /alternatives/trello
Open source alternatives to Trello
Kanban boards, lists, cards for project management.
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// /alternatives/asana
Open source alternatives to Asana
Project + task management for teams.
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// /alternatives/vercel
Open source alternatives to Vercel
Frontend hosting and edge platform for Next.js and React apps.
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// /alternatives/loom
Open source alternatives to Loom
Async video messaging for teams.
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