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A curated directory of open source alternatives and inspiring projects. Find tools, explore alternatives, and discover what it's possible to build — together.

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60+ curated projects10+ categories100% open source

featured — supabase/supabase

# More freedom. More possibilities.

$ cat README.md

Supabase

The Postgres development platform.

stars
★ 109k
lang
TypeScript
license
Apache-2.0
Screenshot of Supabase

$ open /supabase/

Headscale

An open source, self-hosted implementation of the Tailscale control server

Self-HostedTailscaleTailscale Control Server
juanfont/headscale43.8k

draw.io

draw.io is a JavaScript, client-side editor for general diagramming.

DesignDiagramsDesktop
jgraph/drawio8k

Jan

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

AILLMDesktop
janhq/jan44.4k

Payload

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers.

BackendHeadless CMSNext.js
payloadcms/payload44.7k

Scrapy

Scrapy, a fast high-level web crawling & scraping framework for Python.

Developer ToolsCrawlerCrawling
scrapy/scrapy64.3k

Inkscape

Project Website: https://inkscape.org - Code Repository: https://gitlab.com/inkscape/inkscape - Draw freely.

DesignVectorDesktop
inkscape/inkscape3.9k

Cal.com

Scheduling infrastructure for absolutely everyone.

ProductivitySchedulingSelf-Hosted
calcom/cal.com48.3k

PostHog

PostHog is the leading platform for building self-driving products.

DataProduct AnalyticsSelf-Hosted
PostHog/posthog39.7k

Astro

The web framework for content-driven websites.

FrontendFrameworkStatic Sites
withastro/astro62.4k

DuckDB

DuckDB is an analytical in-process SQL database management system

DataDatabaseAnalytics
duckdb/duckdb41.1k

Metabase

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with…

DataBIDashboards
metabase/metabase49.2k

Ionic

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps…

MobileFrameworkWeb Components
ionic-team/ionic-framework52.7k

Expo

An open-source framework for making universal native apps with React.

MobileFrameworkReact Native
expo/expo52.1k

Flutter

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

MobileFrameworkDart
flutter/flutter178.9k

Wazuh

Wazuh - The Open Source Security Platform.

SecuritySIEMMonitoring
wazuh/wazuh16.8k

KeePassXC

KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.

SecurityPassword ManagerDesktop
keepassxreboot/keepassxc28.8k

Ente

End-to-end encrypted cloud for everything.

PrivacyPhotosEncryption
ente-io/ente28.8k

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