AppFlowy
Open source alternative to Notion — AI-powered workspace for wikis, docs, and projects
AGPL-3.0 · 74.4k stars
0
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Plausible Analytics
Lightweight and privacy-friendly web analytics — no cookies, fully GDPR compliant
AGPL-3.0 · 24.5k stars
0- 0
Nextcloud
Self-hosted productivity platform with file storage, sharing, collaboration, and more
AGPL-3.0 · 34.5k stars
0Jitsi Meet
Open source video conferencing solution that is secure and easy to deploy
Apache-2.0 · 28.9k stars
0NocoDB
Open source Airtable alternative — turns any database into a smart spreadsheet
AGPL-3.0 · 62.5k stars
0Chatwoot
Open source customer engagement platform — alternative to Intercom for live chat and support
MIT · 28.1k stars
0- 0
Twenty CRM
Modern open source CRM — a beautiful alternative to Salesforce and HubSpot
AGPL-3.0 · 42.6k stars
0Cal.com
Open source scheduling infrastructure — the Calendly alternative for individuals and teams
AGPL-3.0 · 40.8k stars
0Docmost
Open source collaborative wiki and documentation software — Notion and Confluence alternative
AGPL-3.0 · 19.6k stars
0Plane
Open source project tracking tool — alternative to Jira and Linear with issues, cycles, and modules
AGPL-3.0 · 47.1k stars
0Hoppscotch
Open source API development ecosystem — lightweight Postman alternative with real-time collaboration
MIT · 78.7k stars
0Infisical
Open source secret management platform — alternative to HashiCorp Vault for teams
MIT · 25.6k stars
0Appwrite
Open source backend platform with auth, databases, storage, functions, and messaging
BSD-3-Clause · 55.3k stars
0Supabase
Open source Firebase alternative with Postgres database, auth, storage, edge functions, and realtime
Apache-2.0 · 99.8k stars
0Formbricks
Open source survey and forms platform — Typeform alternative with in-app surveys and targeting
AGPL-3.0 · 12k stars
0Trigger.dev
Open source background jobs framework — Zapier alternative for developers with code-first workflows
Apache-2.0 · 14.3k stars
0Lago
Open source metering and usage-based billing platform — alternative to Stripe Billing
AGPL-3.0 · 9.5k stars
0OpenStatus
Open source monitoring and status page platform — alternative to Better Stack and Betterstack
AGPL-3.0 · 8.5k stars
0Dub
Open source link management platform — Bitly alternative with analytics, branded links, and QR codes
AGPL-3.0 · 23.3k stars
0Documenso
Open source document signing platform — DocuSign alternative with a beautiful signing experience
AGPL-3.0 · 12.6k stars
0Rocket.Chat
Open source team communication platform — Slack alternative with channels, DMs, video calls, and federation
MIT · 45k stars
0Focalboard
Open source project management tool — Trello/Monday alternative with kanban, table, and calendar views
AGPL-3.0 · 26k stars
0Outline
Beautiful wiki and knowledge base for teams — Notion/Confluence alternative with real-time collaboration
BSD-3-Clause · 37.8k stars
0BookStack
Simple, self-hosted wiki platform — Confluence alternative organized by books, chapters, and pages
MIT · 18.5k stars
0Wiki.js
Powerful open source wiki engine with visual editor, Git sync, and dozens of auth providers
AGPL-3.0 · 28.1k stars
0Syncthing
Continuous peer-to-peer file synchronization — decentralized Dropbox alternative with no cloud dependency
MPL-2.0 · 81.2k stars
0Baserow
Open source no-code database — Airtable alternative with tables, forms, and automations
MIT · 4.5k stars
0Umami
Simple, fast, privacy-focused web analytics — Google Analytics alternative that respects user privacy
MIT · 35.9k stars
0n8n
Fair-code workflow automation tool — Zapier alternative with 400+ integrations and visual editor
Sustainable Use License · 182k stars
0Bruno
Fast, Git-friendly API client — Postman alternative that stores collections in your filesystem
MIT · 42.4k stars
0Continue
Open source AI code assistant — GitHub Copilot alternative that works with any LLM in VS Code and JetBrains
Apache-2.0 · 32.1k stars
0Tabby
Self-hosted AI coding assistant — GitHub Copilot alternative with local models and privacy
Apache-2.0 · 33.2k stars
0PocketBase
Open source backend in a single binary — Firebase alternative with auth, database, file storage, and admin UI
MIT · 57.2k stars
0Uptime Kuma
Self-hosted monitoring tool — fancy uptime monitoring with status pages, notifications, and Docker support
MIT · 84.6k stars
0Grafana
Open source observability platform — Datadog alternative for metrics, logs, and traces visualization
AGPL-3.0 · 72.8k stars
0Discourse
Open source community discussion platform — modern forum with categories, trust levels, and rich integrations
GPL-2.0 · 46.6k stars
0Keycloak
Open source identity and access management — Auth0 alternative with SSO, LDAP, and social login
Apache-2.0 · 33.6k stars
0Authentik
Open source identity provider — Auth0 alternative with modern UI, flows, and application proxy
MIT · 20.7k stars
0Meilisearch
Lightning-fast open source search engine — Algolia alternative with typo tolerance and faceted search
MIT · 56.8k stars
0Typesense
Fast, typo-tolerant search engine — Algolia alternative optimized for instant search-as-you-type
GPL-3.0 · 25.5k stars
0Bitwarden
Open source password manager — 1Password alternative with browser extensions, mobile apps, and team vaults
AGPL-3.0 · 18.3k stars
0Vaultwarden
Lightweight Bitwarden-compatible server in Rust — lightweight 1Password alternative for self-hosting
AGPL-3.0 · 57.5k stars
0Medusa
Open source headless commerce engine — Shopify alternative for developers with modular architecture
MIT · 32.5k stars
0Saleor
Open source headless commerce platform — Shopify alternative with GraphQL API and multi-channel support
BSD-3-Clause · 22.7k stars
0Highlight.io
Open source full-stack monitoring — Sentry alternative with error tracking, session replay, and logging
Apache-2.0 · 9.2k stars
0Coolify
Open source Heroku/Vercel alternative — self-hosted PaaS for deploying apps, databases, and services
Apache-2.0 · 52.3k stars
0Dokku
The smallest PaaS implementation — Heroku alternative powered by Docker with git push deployment
MIT · 31.9k stars
0Metabase
Open source business intelligence tool — Power BI alternative with SQL and no-code query builder
AGPL-3.0 · 46.7k stars
0Apache Superset
Modern data exploration and visualization platform — Power BI alternative with rich charts and dashboards
Apache-2.0 · 71.6k stars
0
Top Projects
n8n
Fair-code workflow automation tool — Zapier alternative with 400+ integrations and visual editor
Sustainable Use License · 182k stars
0- 0
Supabase
Open source Firebase alternative with Postgres database, auth, storage, edge functions, and realtime
Apache-2.0 · 99.8k stars
0Uptime Kuma
Self-hosted monitoring tool — fancy uptime monitoring with status pages, notifications, and Docker support
MIT · 84.6k stars
0Syncthing
Continuous peer-to-peer file synchronization — decentralized Dropbox alternative with no cloud dependency
MPL-2.0 · 81.2k stars
0Hoppscotch
Open source API development ecosystem — lightweight Postman alternative with real-time collaboration
MIT · 78.7k stars
0
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3 open source · 1 proprietary
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6 open source · 4 proprietary
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2 open source · 1 proprietary
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3 open source · 1 proprietary
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2 open source · 2 proprietary
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4 open source · 3 proprietary
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3 open source · 1 proprietary
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2 open source · 1 proprietary
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3 open source · 1 proprietary
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2 open source · 1 proprietary
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3 open source · 2 proprietary
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3 open source · 1 proprietary
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3 open source · 2 proprietary
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2 open source · 1 proprietary
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3 open source · 1 proprietary
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2 open source · 1 proprietary
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2 open source · 1 proprietary
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2 open source · 1 proprietary
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2 open source · 1 proprietary
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2 open source · 2 proprietary
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2 open source · 1 proprietary
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