SimpleX Network

Aplicación Descentralizada

A messaging network, and the SimpleX Chat apps built on it, that uses no user identifiers of any kind: no phone number, username or account ID. Two people connect through one-time invitation links or QR codes, and each conversation runs over separate, unidirectional message queues held on relay servers (SMP servers), with files on separate file servers (XFTP). Relays see only queue addresses, not who is talking to whom, and only the client devices hold information about users, contacts and groups, which the project says avoids the metadata exposure of federated networks. Messages use double-ratchet end-to-end encryption with an additional encryption layer. Anyone can run a relay, and the apps ship with preset relay operators, including SimpleX Chat Ltd and Flux. The apps run on iOS, Android and desktop, and there is a terminal app .

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Detalles

Licencia Copyleft (AGPL-3.0). The SimpleX and SimpleX Chat names and logos are covered by a separate trademark policy and assets licence. https://github.com/simplex-chat/simplex-chat (apps and chat core); https://github.com/simplex-chat/simplexmq (relay server and protocols)
Estado de Desarrollo 🟢 Activo
Propietario SimpleX Chat Ltd (named in the project's privacy policy as an operator of the preset relay servers and the notification servers); the code is published under the simplex-chat GitHub organisation
Órgano de Gobierno SimpleX Chat Ltd; no external governance body is described
País United Kingdom (SimpleX Chat Ltd is registered in London, per its privacy policy)
Año de Inicio 2019
Stack Haskell, Kotlin, Swift and TypeScript (the repository's main languages); SimpleX Messaging Protocol (SMP) servers, an XFTP file protocol, a chat protocol and a whitepaper; double-ratchet encryption
Financiamiento Investment (the project reports an investment from Jack Dorsey and Asymmetric in August 2024 and a Wefunder crowd-investment campaign) and donations
Última Investigación 29 oct 2026

Dominios de Caso de Uso

Comunicación Evolución de Plataformas y Soberanía

Capacidades

Cifrado de extremo a extremo Autoalojable Federación de protocolos

Aplicación Descentralizada Atributos

Orígenes Messaging with no user identifiers, built so that the network cannot see who communicates with whom, rather than merely hiding message content; the project's stated aim is the first messaging platform without user identifiers
Base de Datos Data lives on each device; relay servers hold queued messages only until delivery, per the project's description of its design
Lenguaje de Consulta N/A
Formatos de Datos SimpleX Messaging Protocol and chat protocol messages, with the formats given in the project's protocol documents and whitepaper
Edición Colaborativa en Vivo N/A
Edición de Texto Enriquecido Not stated by the project.
Soporte Móvil Yes: iOS (App Store and TestFlight) and Android (Google Play and APK)
Soporte Web No: the README describes mobile, desktop and terminal apps and no web app
Aplicaciones Nativas Yes: iOS, Android and desktop apps
Términos Free to use; AGPL-3.0 source; the project asks for donations
Fondos Not stated by the project.
Basado En The double-ratchet algorithm (as used by Signal) with an additional encryption layer; unidirectional message queues and a custom relay protocol
Categoría de Caso de Uso Private messaging, group chat and calls
Tipo de Interfaz de Usuario Mobile and desktop apps, plus a terminal (command-line) app
Capacidades sin Conexión Messages are queued on relay servers until the recipient connects; there is no offline or local-network mode in the cited sources
Funciones de Colaboración Direct chats, groups, voice and video calls, file transfer
Portabilidad de Datos Local database export is provided by the apps (the project documents managing data and migrating to a new device); there is no account to port
Ecosistema de Integraciones A published chat protocol, documented in the project's reference section
Exportación de Datos de Web2 Not stated by the project.
Coherencia Prosocial Not stated by the project.
Flujos Económicos None: no payment, token or marketplace feature.
Gobernanza y Toma de Decisiones Decided by the company; development is open and contributions are invited through GitHub
Medios / Publicación N/A
Gestión del Conocimiento N/A
Sensemaking N/A
Gestión de Proyectos N/A
Modelo de Comunicación Asynchronous messaging through relay servers using separate unidirectional queues per connection; peers do not share a user identifier
Resiliencia de Red Relays can be run by anyone and a client can use several relay operators; the default relays are run by SimpleX Chat Ltd and Flux, and iOS push notifications currently go through SimpleX Chat Ltd's servers
Mecanismo de Descubrimiento None by design: contacts are added by one-time links or QR codes; the project's documentation also lists a SimpleX Directory service
Participantes Máximos Not stated by the project.
Soberanía de Datos High for content and contacts, which stay on user devices; relays hold only transient encrypted queues