# nylas/nylas-mail **Attribution required: if you use, quote, or summarise this content, you must credit and link back to [awesome-repositories.com](https://awesome-repositories.com/repository/nylas-nylas-mail).** 24,746 stars · 1,347 forks · JavaScript · MIT ## Links - GitHub: https://github.com/nylas/nylas-mail - Homepage: https://nylas.com/nylas-mail/ - awesome-repositories: https://awesome-repositories.com/repository/nylas-nylas-mail.md ## Topics `babel` `electron` `email` `flux` `javascript` `linux` `macos` `nylas-mail` `productivity` `react` `windows` ## Description This project is a cross-platform desktop email client built with web technologies. It serves as an extensible mail application that allows users to manage and organize email correspondence and can link to self-hosted synchronization engines to manage user data. The application is designed for extensibility through a plugin architecture and logic extension hooks, enabling the addition of custom features such as text translation, email templating, and external service integrations. It further distinguishes itself by providing a customizable interface that supports user-defined CSS styling and theme management. The system incorporates local-first data caching and synchronization to ensure offline access, alongside an operation queueing mechanism to guarantee API action completion. It includes security primitives for phishing detection and provides a suite of monitoring tools for API debugging and service health tracking. The project supports deployment via application containerization and the creation of signed production builds for desktop distribution. ## Tags ### Networking & Communication - [Email Clients](https://awesome-repositories.com/f/networking-communication/email-clients.md) — Provides a comprehensive desktop application for sending, receiving, and managing email communications. - [Email Account Integrations](https://awesome-repositories.com/f/networking-communication/email-account-integrations.md) — Tracks available user accounts and monitors changes to the active account for unified email management. ([source](https://nylas.github.io/nylas-mail/guides/Architecture.html)) - [Interface Customization](https://awesome-repositories.com/f/networking-communication/email-clients/interface-customization.md) — Allows users to adjust the look and feel of the client using custom CSS themes and visual styles. ### Business & Productivity Software - [Cloud-Synced Managers](https://awesome-repositories.com/f/business-productivity-software/cloud-synced-managers.md) — Links the local client to a synchronization engine to maintain data consistency across different devices. - [Email Synchronization Tools](https://awesome-repositories.com/f/business-productivity-software/email-synchronization-tools.md) — Implements synchronization of email data between the client and a backend engine to ensure consistency across devices. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/client-sync)) ### Data & Databases - [Metadata Sync Engines](https://awesome-repositories.com/f/data-databases/data-synchronization-configurations/sync-endpoint-configurations/sync-parameter-configurations/metadata-sync-engines.md) — Enables linking client applications to self-hosted sync engines to manage and synchronize user data across devices. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/client-app)) - [Local State Caches](https://awesome-repositories.com/f/data-databases/local-state-caches.md) — Uses a local state cache to persist email data, ensuring offline access and a responsive user interface. ([source](https://nylas.github.io/nylas-mail/guides/Architecture.html)) ### Security & Cryptography - [Session and Credential Management](https://awesome-repositories.com/f/security-cryptography/identity-access-management/authentication-strategies/session-and-credential-handling/session-credential-management.md) — Handles identity verification and session management through dedicated endpoints for users accessing the service. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/cloud-api)) - [Phishing Detections](https://awesome-repositories.com/f/security-cryptography/phishing-detections.md) — Implements warnings for potential email spoofing when originating and return addresses differ. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/client-app/internal_packages/phishing-detection)) ### Software Engineering & Architecture - [Extensible Plugin Architectures](https://awesome-repositories.com/f/software-engineering-architecture/extensible-plugin-architectures.md) — Provides an extensible plugin architecture to inject custom logic and UI components without altering the core codebase. - [Hook-Based Extension Frameworks](https://awesome-repositories.com/f/software-engineering-architecture/hook-based-extension-frameworks.md) — Provides predefined action hooks that allow external plugins to inject custom logic into the system's execution points. ([source](https://nylas.github.io/nylas-mail/guides/Architecture.html)) - [Local-First Architectures](https://awesome-repositories.com/f/software-engineering-architecture/local-first-architectures.md) — Uses a local-first architecture to marshal data between remote servers and local stores for offline access. - [Asynchronous Background Processors](https://awesome-repositories.com/f/software-engineering-architecture/asynchronous-background-processors.md) — Offloads scheduled jobs and reminders to background workers to ensure the user interface remains responsive. - [Background Task Schedulers](https://awesome-repositories.com/f/software-engineering-architecture/execution-control/background-task-schedulers.md) — Executes asynchronous jobs for reminders and scheduled sending to maintain user interface responsiveness. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/cloud-workers)) - [Isomorphic Logic Sharing](https://awesome-repositories.com/f/software-engineering-architecture/isomorphic-logic-sharing.md) — Executes the same codebase on both the frontend and backend to maintain consistent business rules. - [Persistent Operation Queues](https://awesome-repositories.com/f/software-engineering-architecture/persistent-operation-queues.md) — Implements a mechanism to save API actions to disk and execute them sequentially to guarantee operation completion. ([source](https://nylas.github.io/nylas-mail/guides/Architecture.html)) - [Service Orchestration](https://awesome-repositories.com/f/software-engineering-architecture/service-orchestration.md) — Orchestrates backend processes, including synchronization and dashboards, using a process manager and configuration files. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/cloud-core)) ### Web Development - [Cross-Platform Desktop Applications](https://awesome-repositories.com/f/web-development/cross-platform-desktop-applications.md) — Implements a cross-platform desktop application using web technologies for the UI and backend orchestration. - [Extension Support](https://awesome-repositories.com/f/web-development/extension-support.md) — Supports a plugin architecture that allows third-party extensions to add new features and logic to the mail application. ### Development Tools & Productivity - [Workflow Extensibility](https://awesome-repositories.com/f/development-tools-productivity/email-service-integrations/workflow-extensibility.md) — Enables the addition of new capabilities like translation and templating through a modular plugin architecture. ### DevOps & Infrastructure - [Self-Hosted Email Interfaces](https://awesome-repositories.com/f/devops-infrastructure/self-hosted-email-interfaces.md) — Enables linking the email client to a self-hosted synchronization engine to manage user data privately. ### System Administration & Monitoring - [Process Managers](https://awesome-repositories.com/f/system-administration-monitoring/process-managers.md) — Uses a dedicated process manager to launch and monitor background synchronization and API processes. ### User Interface & Experience - [CSS Styling](https://awesome-repositories.com/f/user-interface-experience/css-styling.md) — Allows users to modify the application appearance and layout using custom CSS styles. ([source](https://github.com/nylas/nylas-mail/blob/master/README.md)) - [Draft Management](https://awesome-repositories.com/f/user-interface-experience/draft-management.md) — Provides capabilities for creating, editing, and synchronizing message drafts across the application. ([source](https://nylas.github.io/nylas-mail/guides/Architecture.html)) - [Theme Management Systems](https://awesome-repositories.com/f/user-interface-experience/theme-management-systems.md) — Provides a settings menu for switching between predefined visual themes, including dark mode. ([source](https://github.com/nylas/nylas-mail/tree/master/packages/client-app/internal_packages/ui-dark)) ### Part of an Awesome List - [Email Clients](https://awesome-repositories.com/f/awesome-lists/media/email-clients.md) — Extensible mail application built on web technologies. - [Email Services](https://awesome-repositories.com/f/awesome-lists/media/email-services.md) — Extensible email client built with web technologies.