standardnotes/app

Features

• End-to-End Encryption - Encrypts all user data on the device before transmission, ensuring server never sees plaintext.
• Note-Taking Applications - Provides a note-taking app that encrypts all content on the device before syncing.
• Encrypted Sync Clients - Ships a cross-platform client that syncs encrypted notes and files across devices.
• Local Passcode Wrappers - Wraps the account master key with an additional encryption layer using a device-local passcode.
• Account Deletion - Provides permanent account deletion with irreversible removal of all user data.
• Encrypted Account Registrations - Registers new users with end-to-end encryption key setup for secure note capture and sync.
• Note Deletion Operations - Removes a note or a tag permanently from the account.
• Open Source Note-Taking Suites - Provides an open-source framework for building and customizing a note-taking application.
• Subscription Management - Manages paid plan upgrades, downgrades, cancellations, and billing details for the service.
• Note Composition - Provides a dedicated Markdown editor extension for rich, structured note-taking.
• Encrypted Sync Clients - Ships a cross-platform client that syncs encrypted notes and files across devices.
• Self-Hosted Backend Configurations - Deploys the entire backend infrastructure on a personal server using Docker Compose and a minimal configuration file.
• Sync Servers - Provides a self-hosted sync server for keeping note data under user control.
• Note-Taking - A sync server that can be deployed on personal hardware, enabling encrypted note synchronization across devices without relying on third-party infrastructure.
• Self-Hosted Infrastructure - Runs the full server infrastructure on the user's own hardware or cloud.
• Cross-Device Data Availability - Synchronizes encrypted notes and files across multiple devices for seamless access everywhere.
• Account Recovery - Uses a pre-saved recovery key to regain access when the hardware security device is lost or unavailable.
• Hardware Security Key Authentications - Requires a physical device like a YubiKey as a second factor during login, adding strong protection against unauthorized access.
• Encrypted Storage - Encrypts all locally stored data, including preferences and item payloads, using the account master key or passcode.
• Account Credential Management - Manages account credentials, two-factor authentication, and encrypted key recovery.
• Per-Item Key Encryptions - Generates a unique random key for each item, encrypted with a master items key, enabling selective re-encryption without full data reprocessing.
• Open Source Code Transparency - Makes the application and server source code publicly available so anyone can inspect how data is handled.
• Key Derivation Functions - Stretches a user's password through a key derivation function to produce a master key that never leaves the device.
• Post-Change Key Re-Encryptions - Detects items keys encrypted with an outdated root key and prompts the user for the new password to restore decryption capability.
• Zero-Knowledge Synchronizers - Syncs encrypted data through a server with no access to encryption keys or plaintext content.
• Two-Factor Authentication - Adds a second verification step during login using an authenticator app or hardware security key.
• Plugin Installation Utilities - Installs third-party plugins to add custom editors, themes, and other features to the app.
• Third-Party Plugins - Adds plugins from the community or custom sources to extend the app's capabilities.
• Plugin-Based Architectures - Extends functionality by installing third-party plugins through JSON manifests for custom editors and themes.
• Offline-First Web Apps - Accesses and edits notes without any internet connection; changes sync later when online.
• Client Connections - Ships a client setting to point the app at a custom self-hosted sync server.
• Web Browsers - Provides a web-based client accessible directly in a browser without installation.
• Custom Server Connections - Points any client to a user-specified HTTPS endpoint for authentication and encrypted data syncing.
• Note Protections - Requires additional authentication (passcode, biometrics, or account password) to view a marked sensitive note.
• Note-to-Blog Conversion - Converts notes into public blog posts and manages the blog's appearance and settings.
• Durable Note Formats - Stores notes in a simple, durable format so they remain accessible and readable far into the future.
• Online Payment Processing - Processes credit card and PayPal payments through Stripe and Braintree for subscription billing.
• Anonymous Note Sharing Links - Generates secure links that let anyone view a specific note without needing an account.
• Blog and Newsletter Publishing - Creates an online publication with automatic email newsletters directly from the note-taking environment.
• Note-to-Blog Publishing - Writes and publishes a note as a new post on a blog with options for scheduling and layout.
• Development Tools - Provides a plugin system for extending the app with custom editors, themes, and tools.
• Web Article Extraction - Extracts the main article content from a page, excluding sidebars, and saves it as a new note.
• Web Clipping Extractors - Captures specific web page elements selected by the user and stores them as new notes.
• Note Backup Exporters - Exports all notes as a single encrypted or decrypted file, with decrypted exports also providing individual plain-text note files.
• Note Backup Restorations - Imports a previously exported backup file into the app to recover all notes and data.
• Versioned Data Restorations - Accesses revision history for individual notes and reverts them to an earlier saved state.
• Sync Endpoint Configurations - Sets a custom sync server address in the app's advanced options to route all data through a personally controlled instance.
• Text Clipping Tools - Saves only the user-selected text from a web page into a new note.
• Local Sync Server Launches - Launches a zero-knowledge sync server on the local network from the desktop app's preferences.
• Self-Hosted Deployment Infrastructure - Deploys the entire backend using Docker Compose for full control on personal hardware.
• Client Application Self-Hosting - Deploys the web app on a private server or compiles desktop and mobile apps from source.
• Billing and Feature Access - Handles paid plan billing and feature access on a self-hosted instance.
• Password Recovery Systems - Resets the account password using a secure recovery process to regain access.
• Encrypted Note Attachments - Uploads files of any format to notes, encrypting them end-to-end with the same technology used for notes.
• Note Locking - Places a note into read-only mode to prevent accidental edits or deletion until it is manually unlocked.
• Post-Quantum Encrypted Vaults - Stores passwords and credentials using post-quantum Argon2 key derivation and XChaCha20-Poly1305 encryption for stronger protection than typical password managers.
• Feature Scope Governance - Rejects most feature requests to keep the application simple, stable, and maintainable.
• Version History Managers - Keeps a history of changes to each note and lets the user revert to any earlier version.
• Extensible Platforms - Provides a plugin-extensible editor platform supporting custom editors and themes.
• CSS Variable Override Themes - Overrides CSS variables to change the visual style of the application across all platforms.
• Self-Hosted File Servers - Configures a publicly accessible URL so client apps upload and download files directly from the files server.
• Self-Hosted File Uploads - Configures the self-hosted server to accept and store encrypted file attachments.
• Web Page Clippers - Saves a full web page including images and text as a new encrypted note in the user's account.
• Electron Note Apps - Encrypted, open-source note-taking app with cross-platform sync.
• Note Taking - Encrypted note-taking app with cross-platform client support.
• Notes and Documents - Encrypted, long-term note-taking platform.
• Secure Note Taking - A secure, encrypted note-taking application for long-term data privacy.

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