Wekan is an open-source, self-hosted Kanban project management tool used for organizing workflows through boards, lists, and cards. It is a real-time web application that allows teams to manage tasks on private infrastructure. The platform distinguishes itself with extensive data migration tools, specifically for importing boards and cards from Trello. It supports enterprise-grade identity integration via LDAP, OpenID Connect, and OAuth2, and offers flexible storage options including PostgreSQL as a primary relational backend and pluggable cloud storage for attachments. The system covers a w
Soketi is a high-performance WebSocket server and real-time event broker that implements the Pusher protocol. It functions as a multi-tenant WebSocket gateway, allowing multiple isolated applications to manage persistent client connections and broadcast events across public, private, and presence channels. The project is distinguished by its distributed architecture, using pub-sub state synchronization via Redis or NATS to scale horizontally across multiple server instances. It features symmetric payload encryption for private channels, ensuring the server acts as a relay without accessing pl
BTCPay Server is a non-custodial payment gateway and invoice manager designed for accepting Bitcoin and other cryptocurrencies directly into a private wallet. It serves as a self-hosted payment infrastructure that allows merchants to manage digital invoicing and storefronts without relying on third-party intermediaries. The system distinguishes itself through a non-custodial wallet architecture that ensures private keys remain on the user's own hardware or server. It integrates the Lightning Network for instant, low-cost transactions and provides a hardware-wallet signing bridge to secure tra
WAHA is a server that exposes WhatsApp as a programmable REST API, enabling applications and AI agents to send and receive messages programmatically. It operates unlimited independent WhatsApp sessions from a single instance, each with its own connection state and message history, and can switch between underlying WhatsApp communication libraries by changing a single environment variable while preserving the same API interface. The system distinguishes itself through its engine abstraction layer, which allows operators to swap the WhatsApp communication library without modifying integrations,