📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
Postal is a complete, fully featured open source mail server for websites and web servers. It provides a self-hosted alternative to commercial services like Sendgrid, Mailgun, and Postmark, giving you complete control over your email infrastructure.
Postal is ideal for developers, system administrators, and organizations that need a self-hosted mail delivery platform with full control over their email infrastructure and data.
The open-source notification infrastructure. In-app Inbox component, E-mail, SMS, Push and Slack Integrations.
💌 Build and send emails using React
MJML: the only framework that makes responsive-email easy
✉️ Send e-mails with Node.JS – easy as cake!
BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
A fast, highly extensible, and event driven SMTP server
A list of Free Software network services and web applications which can be hosted on your own servers
Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.
Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.
Production-ready platform for agentic workflow development.
Production-ready platform for agentic workflow development.
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Virtual whiteboard for sketching hand-drawn like diagrams
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
High performance self-hosted photo and video management solution.
JavaScript API for Chrome and Firefox
Amazon SES