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Email & Communication

Email and communication applications. Browse 15 curated apps in this category.

14,676

cloud-mail

A self-hosted email service that lets a domain owner create multiple mailboxes and send or receive messages with attachments. It runs on Cloudflare Workers and stores data in D1, KV, and R2, with Workers AI for verification-code recognition and Turnstile for bot protection.

MIT
5,016

mailflare

A self-hosted email inbox for custom domains that deploys to a visitor's Cloudflare account, using Email Routing for inbound mail, Workers with D1, R2, and Queues for storage and processing, and optional Resend or Amazon SES for sending, with mailboxes, calendar, booking pages, and an AI assistant.

AGPL-3.0
2,820

moemail

A temporary email service where users create disposable mailboxes, receive messages in real time, and optionally send mail through Resend. It deploys to Cloudflare Pages in the visitor's account, using D1 for storage, KV for settings, and Email Workers to receive routed mail.

MIT
1,492

vmail

A temporary email service that visitors can self-host on Cloudflare Workers, using Email Routing to receive mail, D1 for storage, and optional Resend, MailChannels, or native Cloudflare sending, with a React frontend and a RESTful API for mailbox and inbox access.

GPL-3.0
904

mail2telegram

A Telegram bot that receives email via Cloudflare Email Routing and runs on Workers, pushing notifications with quick actions and offering a Mini App inbox with history, attachments, and settings stored in D1 and R2, with optional AI summaries via Workers AI.

MIT
343

hqbase

HQBase is an open-source shared email workspace offering shared mailboxes, team access controls, multi-domain setup, drafts, and audit history. It runs in the visitor's Cloudflare account on a Wrangler Worker with a D1 database and can be deployed through Cloudflare's deploy workflow.

AGPL-3.0
259

saasmail

A self-hosted customer email inbox for SaaS teams that unifies marketing, transactional, and support mail into per-customer timelines. It deploys as a single Cloudflare Worker, receives mail through Email Routing, stores data in D1 and R2, queues sequences, and sends via Cloudflare Email Sending or other providers.

Apache-2.0
248

OmniMail

A self-hosted multi-domain webmail that receives mail via Cloudflare Email Routing and runs as a Worker with static assets, storing messages in D1 and R2 and processing deliveries through Queues. It supports users, roles, and optional aggregation of external mailboxes such as Gmail and iCloud.

MIT
165

email-explorer

A self-hosted email client that deploys to a visitor's Cloudflare account, using Workers, Durable Objects, R2, and D1 for storage and state, with Email Routing and Email Sending for receiving and sending mail through a web interface.

MIT
111

tempik

A self-hosted disposable email service that deploys to Cloudflare Workers in the visitor's own account, using Email Routing to receive inbound mail, D1 to store messages, and Workers Assets to serve a web UI and API for creating temporary addresses and reading received email.

MIT
86

bye

An open-source email and calendar platform offering a screened inbox, newsletters, receipts, events, and tasks, built on Cloudflare Workers, Durable Objects, D1, R2, Queues, and Email Routing, with deploy scripts and an onboarding service that provision the stack in the visitor's own Cloudflare account.

MIT
72

elm-chat

An ephemeral end-to-end encrypted chat app with disposable rooms, single-use invites, and no persisted server-side transcript. It runs as one Cloudflare Worker with a Durable Object per room for WebSocket relay and room lifecycle, deployable via a one-click button or Wrangler into a visitor's own account.

AGPL-3.0
36

mailysend

A self-hosted email platform for transactional sending, marketing broadcasts, automations, inbound mailboxes, and deliverability analytics. It deploys to a visitor's Cloudflare account on Workers with D1, R2, KV, Queues, Workflows, and Email Service, and is Resend API compatible; a Node path also exists.

MIT
20

mailcat

A disposable email service that gives AI agents and automation scripts temporary mailboxes via a REST API, with automatic extraction of verification codes and links. It deploys to a visitor-controlled Cloudflare account using Workers, KV storage, and Email Routing, and a hosted API is also offered.

MIT
6

cloudflare-vmail

A temporary email service that visitors can self-host on Cloudflare, using an Email Worker to receive messages, a D1 database for storage, and an Astro Worker frontend for reading mailboxes, extracting verification codes, and claiming password-protected addresses.