Projects sharing features with Openfire

Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev

Apache Tomcat is an open-source implementation of the Jakarta Servlet, Pages, Expression Language, and WebSocket specifications, serving as a container for running Java web applications. It provides a modular architecture with a servlet container, connector abstraction for multiple I/O models, and a pipeline-based request processing system that handles cross-cutting concerns through composable components. The server supports container-managed security with configurable realms for authentication against JDBC, LDAP, or memory-based credential stores, and offers TLS encryption with optional Open

This project is an Android password manager application that provides an end-to-end encrypted vault for storing and synchronizing login credentials, secure notes, and identities. It functions as a secure storage system using zero-knowledge encryption to ensure that only the user can decrypt their stored data. The application integrates directly with the Android system to provide an autofill service that populates usernames and passwords into mobile apps and browser login fields. It also serves as a passkey management wallet for FIDO2 cryptographic passkeys and a time-based one-time password a

Mattermost Server is an open source collaboration suite and self-hosted team communication platform. It functions as an enterprise chat server and extensible messaging backend that provides a secure environment for professional organizations to exchange messages and coordinate software development. The platform is designed as an AI-integrated communication hub, embedding artificial intelligence into messaging flows to assist users with information retrieval and task completion. It supports a high degree of customization through a plugin-based extension model, allowing for the creation of cust

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

Jitsi Meet is an open-source platform for real-time audio and video communication. It provides a complete infrastructure for hosting secure video conferences, supporting features such as screen sharing, messaging, and participant polling. The platform is designed for both standalone use and integration into external web or mobile applications. The system utilizes a selective forwarding unit architecture to route media streams between participants, ensuring efficient communication across multiple users. It relies on standardized real-time transport protocols to manage data transmission and inc

libhv is a high-performance C/C++ network library and event-driven I/O framework used to build TCP, UDP, SSL, HTTP, WebSocket, and MQTT clients and servers. It provides a non-blocking event loop for managing network sockets, timers, and system signals across multiple threads. The project is distinguished by its integrated support for specialized network roles, including a full HTTP web server with RESTful routing and middleware, an MQTT messaging client for IoT communication, and the ability to implement SOCKS5 and HTTP proxies. It also features a reliable UDP implementation to ensure ordered

Pangolin is a zero-trust remote access platform designed to provide secure, identity-aware connectivity to private network resources. It functions as a cloud-native network controller that orchestrates encrypted tunnels, traffic routing, and access policies across distributed environments. By leveraging WireGuard for secure data transport, the platform enables authenticated access to internal web applications, terminal sessions, and remote desktops without exposing services to the public internet. The platform distinguishes itself through a declarative infrastructure model that synchronizes n

This project is a self-hosted, cross-platform instant messaging platform featuring a Go backend and a protobuf-based messaging server. It provides a unified communication suite with native clients for iOS, Android, and web, utilizing gRPC and Protocol Buffers for efficient data exchange. The system is distinguished by an extensible chatbot framework that allows for the integration of automated bots and plugins via standardized service interfaces. It supports high-availability clustering with sharded load distribution and a pluggable database backend to ensure reliability and flexible data per

This project is a comprehensive computer networking textbook and instructional resource. It serves as a technical guide for the design and implementation of network layers, protocols, and hardware architecture, covering the spectrum from physical links to application-layer protocols. The content provides a detailed study of standards for congestion control, reliable data delivery, and internetwork routing. It includes specialized technical material on network security, public-key infrastructure, and the operation of modern cloud infrastructure and data centers. The material covers a broad ra

Lets-chat is a self-hosted team communication platform and XMPP chat server designed for private messaging. It provides a containerized communication environment for small teams to exchange messages and files, featuring a programmable REST API for automating conversations and managing messages from external tools. The platform functions as an XMPP gateway and server, ensuring interoperability with other compliant messaging clients. It distinguishes itself by supporting enterprise identity management, allowing administrators to verify user identities through local accounts or external director

This project provides containerized images for deploying a self-managed content collaboration and file sharing server. It enables the creation of private cloud storage and self-hosted file synchronization environments, allowing users to maintain data ownership and control over their infrastructure. The deployment model utilizes Docker images to simplify installation, scaling, and version updates. It distinguishes itself through a database-agnostic storage approach, supporting integration with PostgreSQL, MySQL, MariaDB, or SQLite, and employs volume mapping to ensure data persistence across c

Vector is a high-performance observability data pipeline designed to collect, transform, and route logs, metrics, and traces across distributed infrastructure. It functions as a modular engine that decouples data ingestion from processing and transmission, utilizing a component-based architecture to connect diverse sources to multiple destinations. The project distinguishes itself through a focus on reliability and flow control. It implements backpressure-aware data movement to prevent data loss during traffic spikes and utilizes disk-backed event buffering to ensure durability during network

MongooseIM is Erlang Solutions' robust, scalable and efficient XMPP server, aimed at large installations. Specifically designed for enterprise purposes, it is fault-tolerant and can utilise the resources of multiple clustered machines.

WuKongIM is a distributed instant messaging server designed for real-time chat and notifications. It functions as a decentralized communication cluster that utilizes a pub-sub message router to distribute data to individual users and large-scale group channels. The system includes a specialized AI chat streaming protocol to deliver low-latency, incremental responses from artificial intelligence agents. It also features a webhook event gateway that forwards communication status changes and message events to external business applications via callbacks. The platform provides infrastructure for

Cim is a distributed instant messaging system and server-side backend designed to manage real-time communication across a cluster of servers. It provides a scalable infrastructure for routing private and group messages while tracking user connection states and session locations across distributed nodes. The project features an interception layer for AI messaging middleware, which allows artificial intelligence agents to intercept incoming communication and generate automated responses. It also includes a real-time push infrastructure to deliver notifications and messages from the server to en

This project is a self-hosted, container-native collaboration suite designed for real-time video conferencing. It provides a private infrastructure for group communication, enabling users to manage their own meeting environments while maintaining full control over data security and participant access. The platform distinguishes itself through its architecture, which is built for high availability and scalability using Kubernetes and container orchestration. It supports advanced media delivery through selective simulcast, allowing the system to adapt video quality to individual network conditi

Mattermost is a self-hosted, enterprise-grade communication platform designed for organizations that require strict control over their internal data and messaging infrastructure. It functions as a centralized hub for real-time team interaction, offering persistent messaging, voice and video conferencing, and integrated project management tools within a single, private workspace. The platform is built to support high-security environments, including air-gapped deployments where public internet access is restricted or unavailable. The platform distinguishes itself through a focus on regulatory

Faye is a real-time messaging middleware and WebSocket publish-subscribe server. It functions as a communication layer that routes messages between clients and manages channel subscriptions to enable data synchronization across the web. The project provides a cross-domain communication gateway, allowing web clients on different domains to communicate with a central server. It is built as a clustered messaging backend that can share state across multiple instances using external storage to handle high volumes of persistent network connections. Its capability surface includes pub-sub logic for

This project is a collection of learning resources and instructional guides for implementing asynchronous messaging patterns using RabbitMQ. It provides a series of tutorials and runnable code examples focused on the Advanced Message Queuing Protocol to help users decouple services via a message broker. The resources cover practical implementation patterns including request-reply, pub-sub, and stream processing. These guides demonstrate how to use official client libraries to balance worker loads, route messages across multiple consumers in a distributed system, and deploy high availability b

Twemproxy is a lightweight proxy that routes and distributes requests across multiple Redis and Memcached backend servers. It functions as a protocol translation gateway and distributed cache shard manager, partitioning data across clusters to balance load and storage capacity. The system acts as a high-availability cache orchestrator, employing health monitoring and automatic server ejection to maintain continuous access to cached data. It integrates with sentinels for dynamic master and replica discovery and utilizes consistent hashing and tag-based key grouping to manage data distribution

This project is a comprehensive educational resource and curriculum focused on site reliability engineering, distributed systems, and infrastructure operations. It provides technical guides, a systems engineering course, and instructional manuals designed to teach the principles of managing large-scale computing environments. The curriculum covers high-level architectural design for scalability and resilience, including fault-tolerant infrastructure, high-availability patterns, and microservices decomposition. It emphasizes the practical application of site reliability engineering through the

This is a Golang client library for interacting with a cloud native distributed messaging system. It provides the necessary tools for Go applications to exchange messages using publish-subscribe and request-reply patterns, as well as specialized clients for managing persistent streams and distributed storage. The library includes a JetStream client for durable message streaming and replay, a Key-Value store client for managing distributed state with versioning and watchers, and an Object Store client for the storage and retrieval of large binary files via chunked delivery. The implementation

OpenClawChineseTranslation is a framework for building conversational assistants that functions as a cross-platform chat gateway. It synchronizes conversational data between multiple external messaging applications and a centralized core, allowing users to interact with an assistant across different platforms. The system utilizes a plugin-based extension architecture to integrate external services such as note-taking and password managers. It features a model-agnostic provider interface, which enables the underlying intelligence to be swapped by selecting different large language model provid

Firezone is a zero trust network access platform that uses WireGuard to provide identity-based connectivity to internal network resources. It functions as a virtual private network that synchronizes authentication and user groups via OpenID Connect providers. The system implements a group-based access control engine to enforce least privilege by restricting network resources to specific user groups. It utilizes holepunching and relay protocols for NAT traversal to establish encrypted tunnels through firewalls without requiring inbound ports. The platform includes a control plane for managing

This project is a reference library of architectural blueprints, study materials, and design patterns for building scalable, high-availability distributed systems. It serves as a technical guide for scalability engineering, providing structural solutions for common engineering challenges. The repository focuses on distributed systems design, covering essential patterns for data replication, consensus algorithms, and transaction management. It distinguishes itself by offering detailed blueprints for specialized domains, including real-time data streaming, large-scale data storage, and high-ava

Discord.js is a Node.js library and framework for interacting with the Discord API. It provides a comprehensive set of wrappers for REST and WebSocket connections, enabling the development of automated server accounts and real-time chat applications. The project distinguishes itself through a distributed bot sharding system that splits a single bot instance across multiple processes to handle high server counts and large-scale workloads. It also includes a specialized voice API wrapper for managing audio streams and voice channel connectivity. The library covers broad capability areas includ