📮 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
🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
Infisical is the open-source platform for secrets, certificates, and privileged access management.
A self hosted virtual browser that runs in docker and uses WebRTC.
Weighs the soul of incoming HTTP requests to stop AI crawlers
Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.
Ready-to-use Media-over-QUIC / SRT / WebRTC / RTSP / RTMP / LL-HLS / MPEG-TS / RTP live media server and media proxy that allows to read, publish, proxy, record and playback real-time video and audio streams.
Free and Open Source Machine Translation API. Self-hosted, offline capable and easy to setup.
ActivityPub-federated video streaming platform using P2P directly in your web browser
Style and Grammar Checker for 25+ Languages
Amazon SES