tutao / tutanota

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

ProtonMail / WebClients

Monorepo hosting the proton web clients

ArnasDon / wacrm

Self-hostable CRM template for WhatsApp — shared inbox, contacts, sales pipelines, broadcasts, and no-code automations. Fork it, brand it, host it.

bulwarkmail / webmail

Self-hosted JMAP webmail for Stalwart Mail Server. Mail, calendar, contacts, and files in one client.

kurrier-org / kurrier

Kurrier is a modern, self-hosted workspace for email, calendar, contacts and storage.

gopherium / n8n-nodes-alphone

n8n community node for AlphOne CRM tasks and contacts