realtime

Supabase is an open-source Firebase alternative that provides a complete backend-as-a-service platform. It offers PostgreSQL database, authentication, real-time subscriptions, edge functions, and file storage with a developer-friendly dashboard and auto-generated APIs.

Hasura provides fast, instant realtime GraphQL APIs on Postgres with fine-grained access control and webhook triggers on database events. Built with Haskell, it automatically generates GraphQL APIs from your database schema with real-time subscriptions.

Planka is a realtime kanban board for workgroups that serves as an open-source alternative to Trello. Built with modern technologies, it provides teams with a powerful, self-hosted project management solution featuring real-time collaboration, comprehensive task management, and a clean, intuitive interface.

Centrifugo is an open-source scalable real-time messaging server that can instantly deliver messages to application users over WebSocket, HTTP-streaming, SSE, GRPC, and WebTransport. It provides a language-agnostic PUB/SUB server for building real-time applications.

TrailBase is an open, sub-millisecond, single-executable Firebase alternative with type-safe REST & realtime APIs, built-in JS/TS runtime, auth & admin UI. It provides a complete backend solution with exceptional performance and developer experience.

AnyCable is a realtime server for two-way reliable communication over WebSockets and SSE. It provides a scalable and performant solution for adding realtime features to any backend application.

4ga Boards is a straightforward realtime kanban boards management tool for intuitive task tracking. It features an elegant dark mode, collapsible todo lists, and multitasking tools designed to supercharge team productivity with a clean, modern interface.

Firebase is a mobile and web application development platform that provides a suite of tools for building and scaling applications. It provides a fully managed service with features like data storage, real-time database, authentication, and hosting.