Open Source TypeScript Email Software

Proton Web Clients is a monorepo hosting the web applications for Proton’s suite of privacy-focused services, including the core Proton Mail webmail interface and related web apps like Proton Calendar, Proton Drive, Proton Account, Proton VPN, Proton Pass, and other connected tools. It consolidates all web client code, shared modules, dependencies, and development tooling into a single repository, enabling unified maintenance, consistency of design patterns, and efficient evolution of Proton’s online interfaces. These web clients run entirely in the browser, letting users securely interact with their email, calendars, files, and other services without needing native software installed, and benefiting from end-to-end encryption where applicable. The monorepo includes application logic, UI components, build scripts, and testing infrastructure for reliable deployments and streamlined continuous integration.

Arcjet helps developers protect their apps in just a few lines of code. Implement rate limiting, bot protection, email verification, and defense against common attacks. Native security for Bun, Next.js, Node.js, SvelteKit, Vercel, Netlify, Fly.io, and other modern platforms. Customizable protection for signup forms, login pages, API routes, and your whole app. Test security rules locally. Protection that works in every environment. No agent is required.

ElectronMail is an Electron-based unofficial desktop client for ProtonMail. The app aims to provide enhanced desktop user experience enabling features that are not supported by the official in-browser web clients. It is written in TypeScript and uses Angular. The way of verifying that the installation packages attached to the releases have been assembled from the source code is being provided. The app works on Linux/OSX/Windows platforms. Binary installation packages. Offline access to the email messages (attachments content not stored locally, but emails body content). The local store feature enables storing your messages in the encrypted database.bin file (see FAQ for file purpose details). So the app allows you to view your messages offline, running full-text search against them, exporting them to EML/JSON files. etc. Enabled since v2.0.0 release.

ICTDialer is an open-source, multi-user auto dialer software designed for voice broadcasting and fax broadcasting. It supports both inbound and outbound communications using advanced telephony protocols such as T.38, G.711 pass-through, and SIP-based VoIP communication. ICTDialer is built on top of renowned open-source technologies, including FreeSWITCH, ICTCore communications framework, and a PHP-based Angular framework. ICTDialer can be used in following faxing scenarios Voice Broadcasting Email to fax / web to fax / fax to email ATA support supporting both sending and recieving Fax over Fax machines using ATA. G.711 based Fax Origination / Termination / Gateway T.38 based Fax Origination / Termination PSTN/SS7 based Fax Origination / Termination A Single GUI is created to cover all the major communication methods and services like: Voice Broadcasting Campaigns Send Document with multiple files (optional) Fax to Email Extension Support DIDs