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Open Source Projects using Mailgun

A curated collection of the 6 best open source software using Mailgun. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Favicon of Novu

Novu

Multi-channel notification infrastructure for apps

  • Stars

    39,756

  • Last commit

    10 hours ago

  • License

    Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

Open Source Alternative to:

Favicon of Customer.io
Customer.io
Favicon of Strapi

Strapi

Headless CMS with REST and GraphQL APIs out of the box

  • Stars

    73,071

  • Last commit

    8 hours ago

  • License

    MIT
TypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.

Open Source Alternative to:

Favicon of Sanity
Sanity
Favicon of Ghost

Ghost

Publishing platform for blogs, newsletters, and paid memberships

  • Stars

    55,161

  • Last commit

    8 hours ago

  • License

    MIT
Publish content, send email newsletters, and sell paid subscriptions from one platform. Used by independent journalists, creators, and businesses like YCombinator and Kickstarter.

Open Source Alternative to:

Favicon of WordPress
WordPress
Favicon of Nango

Nango

Build product integrations with 500+ APIs in hours

  • Stars

    11,719

  • Last commit

    5 hours ago

  • License

    Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Open Source Alternative to:

Favicon of Pipedream
Pipedream
Favicon of Invoice Ninja

Invoice Ninja

Send invoices, accept payments, manage your business—all free

  • Stars

    10,053

  • Last commit

    2 days ago

  • License

    Elastic-2.0
Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.

Open Source Alternative to:

Favicon of Quickbooks
Quickbooks
Favicon of OpenSign

OpenSign

Secure, customizable e-signatures for modern businesses

  • Stars

    6,961

  • Last commit

    15 days ago

  • License

    AGPL-3.0
A powerful, open-source e-signature solution offering customization, integration, and enhanced security for businesses of all sizes.

Open Source Alternative to:

Favicon of DocuSign
DocuSign
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