Nostr Social Network Clients

DeDRM_tools is a digital rights management decryptor and ebook security key manager. It functions as a utility to strip proprietary protections from restricted ebook files, removing vendor lock-in to make the content compatible with any reading application. The tool manages the decryption process by using a configuration system to store device serial numbers and encryption keys. This allows for the automation of the decryption pipeline across various ebook retailers and platforms. The project provides capabilities for digital content decryption and ensures ebook format compatibility by processing restricted files into open formats. All cryptographic processing and key matching are performed locally on the user's machine.

Mailspring is a cross-platform desktop email client designed to aggregate multiple accounts into a single, unified inbox. It utilizes standard protocols to synchronize messages and provides a centralized interface for managing professional correspondence across different email services. The application distinguishes itself through a suite of productivity tools that include automated message scheduling, follow-up reminders, and email engagement tracking to monitor recipient interactions. It also features contact enrichment to surface professional context and historical data, alongside built-in utilities for language translation, grammar correction, and reusable template management. The architecture supports modular extensibility, allowing for custom logic and interface components to be integrated into the core processing pipeline. It maintains a responsive user experience through background synchronization and local indexing, while securing sensitive authentication data within the host operating system's native credential management system. The software is distributed via native installers to ensure consistent functionality across different operating systems.

Dio is a cross-platform HTTP client for Dart designed to manage network requests and data communication across mobile and desktop applications. It provides a comprehensive framework for executing standard web operations while handling complex tasks such as request lifecycles, connection security, and global configuration. The library distinguishes itself through an extensible architecture that allows developers to hook into the request and response pipeline. By utilizing interceptors and custom network adapters, users can modify traffic, perform authentication, and swap underlying networking implementations to meet specific platform or proxy requirements. Beyond basic request execution, the project supports advanced traffic management and data handling. This includes automatic payload transformation between formats, reliable multipart file uploading with progress tracking, and the ability to cancel active operations to optimize resource usage. It also incorporates security features such as server certificate verification to maintain secure connections.

Socket.io is a real-time communication engine that enables bidirectional, event-based data exchange between clients and servers. It provides a robust transport-agnostic protocol layer that automatically manages connection lifecycles, including heartbeat signals, automatic reconnection, and seamless fallback between WebSockets and HTTP long-polling. By maintaining persistent links, it ensures reliable messaging across diverse network environments. The project distinguishes itself through a scalable, distributed architecture that supports multi-node synchronization and room-based message routing. It utilizes pluggable adapters to distribute events and state across server clusters, ensuring consistent communication regardless of the host node. Developers can organize traffic into isolated namespaces for multi-tenant applications and apply middleware to handle authentication and request modification during the connection process. Beyond core messaging, the platform offers comprehensive tools for managing complex communication patterns. This includes support for acknowledgement-based delivery, stateful connection recovery, and custom data serialization for binary payloads. It also provides mechanisms for type-safe network communication, allowing developers to define shared interfaces for event payloads and listeners to improve development consistency. The library includes built-in diagnostic utilities for monitoring connection health, inspecting internal events, and verifying protocol compliance. It is designed to be installed as a dependency in TypeScript environments, providing a structured framework for building interactive applications that require instant, reliable data synchronization.

Postiz is an open-source social media management platform designed to centralize the scheduling, publishing, and analysis of content across diverse social networks, community forums, and blogging platforms. It functions as a unified hub where users can coordinate, review, and distribute content through a shared team workspace, while leveraging integrated artificial intelligence to assist in drafting text and generating multimedia assets. The platform distinguishes itself through a modular architecture that utilizes a provider-specific adapter pattern to ensure consistent content distribution across various external services. It incorporates an AI-driven tool execution model that connects natural language models to internal functions, enabling automated content generation and media configuration. Furthermore, the system provides a programmatic API gateway that allows external applications to interact with its scheduling and management features via structured payloads. Beyond core scheduling, the platform includes comprehensive tools for performance tracking, media storage abstraction, and collaborative workflows. It supports complex content strategies through features like multi-part thread scheduling and automated campaign execution, while maintaining secure identity management through OAuth-based mediation and support for external identity providers. The application is designed for self-hosting and can be deployed into containerized environments using provided configuration charts.

Netty is an asynchronous network framework designed for building scalable protocol servers and clients. It utilizes an event-driven reactor pattern and a non-blocking input/output model to decouple connection handling from application logic, allowing for the development of responsive network services that manage high volumes of concurrent connections. The framework distinguishes itself through a modular pipeline-based processing chain that enables the implementation of custom binary or text-based protocols. It provides a pluggable transport abstraction that allows developers to switch between standard Java sockets and native platform-specific drivers without modifying application code. To maintain performance under high load, it employs zero-copy buffer management and reference-counted memory pooling, which minimize garbage collection pressure and facilitate low-latency data transmission. Beyond its core transport capabilities, the framework includes tools for secure network communication and the transformation of raw byte streams into high-level domain objects. It also provides mechanisms to reassemble fragmented data packets, ensuring that application logic processes complete units of information. Comprehensive documentation is available, including a user guide that details the construction of various network services and handlers.

This project is a modular, terminal-based dashboard framework designed to aggregate and display real-time information within a grid-aligned interface. It functions as a centralized monitoring tool that translates data from local system resources, infrastructure services, and external web APIs into a unified, text-based display. The dashboard is distinguished by its plugin-based architecture, which allows users to encapsulate distinct data sources and display logic into isolated, independently managed modules. Users define their workspace through declarative configuration files or an interactive terminal interface, enabling precise control over grid layouts, widget positioning, and refresh intervals. The system supports complex visual feedback by rendering numerical and textual data as ASCII-based charts and icons, ensuring that information remains readable directly within the terminal environment. The platform covers a broad capability surface, including comprehensive system administration, developer workflow automation, financial market tracking, and social media monitoring. It integrates with a wide range of external services to track continuous integration pipelines, cloud infrastructure health, project management tasks, and environmental data. The application is configured via structured files, which can be managed through command-line arguments or environment variables to support diverse deployment environments.

Alamofire is an HTTP networking library that provides a foundation for managing network requests and responses through a chainable, type-safe interface. It serves as an asynchronous request manager, coordinating concurrent network operations and data streams while maintaining application responsiveness. The library distinguishes itself through a protocol-oriented request adaptation system, which utilizes interceptors to modify or authenticate requests before dispatch. It employs a middleware-driven pipeline to process traffic, handling encoding, authentication, and error recovery in a modular sequence. By wrapping the native networking stack, it offers a unified interface for managing the lifecycle of HTTP tasks. The project includes a generic response serialization system that automatically transforms raw network data into strongly typed objects. It also features a declarative validation layer that verifies server responses against expected status codes and content types to ensure data integrity. These capabilities facilitate the consumption of RESTful services and the orchestration of complex communication between mobile applications and cloud infrastructure.

rustdesk-api is a web-based management server for RustDesk remote desktop infrastructure. It provides a centralized administrative interface to organize devices, user accounts, and address books. The system functions as an identity gateway, integrating external providers such as LDAP, OIDC, GitHub, and Google to manage user access. It also includes a guest access link generator that creates temporary URLs for restricted device access without requiring account registration. The project covers remote infrastructure management, including relay server configuration, bandwidth limits, and IP blacklisting. It provides monitoring and observability through system activity auditing of logins and connection events, alongside a browser-integrated client for remote access and address book synchronization. Administrative operations are handled via a web console and a command-line interface, which includes a registry for third-party server command extensions.

Croc is a command-line utility for sending files and folders between computers using end-to-end encrypted peer-to-peer connections. It employs elliptic curve encryption and key agreement to secure data transmission between remote endpoints. The tool allows users to coordinate transfers using a shared code phrase and supports the operation of custom relay servers to facilitate connections without relying on public infrastructure. It also includes a proxy client to route encrypted traffic through SOCKS5 proxies. Additional capabilities include resumable data transmission for unstable connections, content filtering to exclude specific files or folders, and stream-based data piping for integration with shell pipelines via standard input and output.

Telegram-iOS is a native mobile application for sending and receiving real-time messages. It serves as a cross-platform messaging client developed specifically for iOS to provide a high-performance chatting and file-sharing experience. The application is built as an MTProto communication client, utilizing this specific protocol for the secure and fast delivery of encrypted data. It synchronizes conversations and media across multiple devices using a centralized cloud server. The client implements a range of communication and architectural capabilities, including asynchronous message queuing, client-side delta syncing, and local database caching for offline access. It utilizes a custom UI layout engine and event-driven state updates to manage the user interface.

This project is a cross-platform credential management suite designed to store sensitive information in encrypted local databases. It functions as a secure desktop application that provides a unified environment for organizing secrets, generating passwords, and managing multi-factor authentication tokens. By utilizing industry-standard file formats, the application ensures that stored credentials remain secure and interoperable across different operating systems. The software distinguishes itself through deep integration with hardware-backed security and system-level services. It supports physical security tokens for challenge-response authentication, requiring hardware-based verification to unlock databases. Additionally, the application features an automated bridge for browser extensions to facilitate form filling and credential retrieval, alongside a system agent integration that dynamically manages SSH keys based on the current lock state of the database. Beyond core credential storage, the project includes a modular engine for performing administrative tasks such as security audits and data migrations. It also supports secondary protection layers, allowing users to require specific key files alongside master passwords to authorize access. The development process relies on containerized build environments to ensure consistent and reproducible native binaries for Windows, macOS, and Linux.

Ente is a privacy-focused platform for end-to-end encrypted storage and two-factor authentication management. It functions as a zero-knowledge identity provider, ensuring that all cryptographic operations, key derivation, and data encryption occur locally on the user's device. By maintaining this architecture, the service provider remains unable to access or decrypt any stored personal information or authentication credentials. The platform distinguishes itself through a combination of on-device intelligence and resilient data distribution. It utilizes a local machine learning engine to perform resource-intensive tasks such as semantic image searching and facial recognition directly on the user's hardware, ensuring that sensitive visual data never leaves the device. To guarantee high availability and data permanence, the system replicates encrypted information across multiple independent cloud providers and geographic regions, protecting against provider outages or regional failures. Beyond its core storage and security capabilities, the project includes sophisticated resource scheduling that monitors device telemetry to manage background processing tasks efficiently. It also provides a comprehensive authentication manager that supports secure token imports and offline operation, allowing users to maintain control over their credentials with or without cloud synchronization.

This project is an Android messaging application and a client implementation of the MTProto protocol. It serves as a native mobile interface for real-time communication and file sharing on the Android operating system. The application functions as a client that connects to the Telegram MTProto protocol to facilitate the transmission of encrypted text and media messages between users. The system includes capabilities for secure mobile communication, messaging API integration, and the implementation of client-side logic for connecting to a centralized messaging backend.

rustdesk-server is a self-hosted remote desktop server infrastructure designed to manage ID signaling and relay traffic for remote connections between peers. It provides the necessary backend environment to coordinate remote access sessions through rendezvous-based signaling and relay-based traffic forwarding. The system distinguishes itself with a remote access management console for organizing devices and enforcing security policies, as well as an identity integrator for OIDC-based federation and LDAP directory synchronization. It utilizes geolocation-aware routing to distribute traffic across multiple relay servers and employs UDP-based hole punching to establish direct peer-to-peer links by bypassing firewalls and NAT barriers. Broad capabilities include comprehensive identity and access management, automated client deployment and branding, and granular security controls such as IP filtering and session lifetime management. The server also supports real-time communication via WebSockets, audit logging, and the ability to host a web-based client. The infrastructure can be deployed as a server suite on Linux systems or via containerized deployment tools.

Cult-UI is an AI application UI kit and a collection of accessible components and templates designed for building large language model powered interfaces and agent workflows. It provides a foundation for developing AI applications, including specialized interface libraries for retrieval-augmented generation and agent orchestration. The project distinguishes itself through dedicated UI building blocks for coordinating multi-agent systems, evaluator-optimizer loops, and tool-based execution flows. It also features a component installation CLI and model context protocols for rapidly integrating pre-built interface elements or exporting source code for local customization. The capability surface covers full-stack AI templates that integrate authentication, payment tracking, and database synchronization. It includes a range of marketing page templates, animated navigation systems, and high-performance interface animations, alongside support for progressive web apps and vector-based similarity search. The project provides production-ready starter templates that combine identity management, serverless infrastructure, and offline capabilities.

Miniserve is an HTTP static file server that hosts local directories over the network with an integrated web-based file browser. It functions as a single-binary tool capable of serving as a markdown rendering server, a TLS-enabled web server for encrypted traffic, and a WebDAV file manager for remote file operations. The project distinguishes itself through specialized hosting modes, including a single page application mode that routes requests to a single index file and the ability to generate random hexadecimal access URLs to obscure served directories. It also provides the ability to convert markdown files into formatted HTML and generate QR codes for simplified mobile device connectivity. The server includes capabilities for file management such as uploads, directory archiving into zip or tar formats, and file listing filtration. Security and network control are handled through password authentication, TLS encryption, and the injection of custom HTTP response headers. The tool supports deployment via containerized images and allows for specific network interface binding.

Nekoray is a cross-platform desktop application designed to manage secure network tunnels and proxy configurations. It functions as a graphical interface that routes system traffic through encrypted remote connections to facilitate private browsing and access to geo-restricted content. The application integrates established networking cores to handle complex traffic routing and protocol implementation. By utilizing a local proxy server architecture, it intercepts system traffic and directs it through user-defined rules, allowing for granular control over how data is filtered and transmitted. The software provides a unified environment for managing multiple proxy protocols across different desktop operating systems. It is distributed as a static binary to ensure consistent performance and behavior across various computing environments.

Hydra is a headless identity server that functions as a certified OAuth2 and OpenID Connect provider. It is designed as an authentication engine that manages authorization handshakes and token lifecycles while remaining decoupled from the user interface. The project distinguishes itself through a headless architecture, allowing external management of login and consent flows. It provides specialized capabilities for dynamic client registration, JSON Web Token issuance, and a system for rotating encryption secrets without service downtime. The system covers a broad range of identity operations, including the orchestration of authentication sequences, identity provisioning, and token lifecycle management. It supports state persistence via adapters for PostgreSQL, MySQL, and CockroachDB, and includes observability tools through Prometheus-compatible metrics and distributed tracing. Administrative access is managed through port-based API isolation to separate privileged endpoints from public-facing protocol APIs.

RustDesk is a cross-platform remote desktop client that enables users to initiate and receive remote sessions. It provides a complete infrastructure for self-hosted remote access, utilizing a signaling and relay server architecture to maintain connectivity when direct peer-to-peer links are unavailable. The software is designed to function across desktop and mobile environments, offering native remote control, screen sharing, and file management capabilities. What distinguishes the platform is its centralized administrative control plane, which allows for granular management of security policies, user identities, and device access permissions. Administrators can define scoped roles, implement hierarchical permission logic, and enforce security strategies across large deployments. The system supports integration with external identity providers, including OIDC and LDAP, alongside multi-factor authentication methods like TOTP to secure access to the infrastructure. The software provides extensive tools for managed environments, including automated deployment scripts, command-line configuration, and bulk policy management. It includes specialized mechanisms for handling system-level elevation, allowing remote operators to interact with administrative prompts on target machines. The server infrastructure is designed for flexibility, supporting containerized deployments and geolocation-based routing to optimize connection paths and minimize latency. Documentation and installation support cover a wide range of operating systems, providing native packages, portable formats, and guidance for running server components as persistent background services.