💬 Chat SDK

SendBird is messaging-as-a-service.

Brings voice and messaging to your web and mobile applications.

Open Source

World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises

Open Source paid Free Trial

Chat API & In-App Messaging SDK for Mobile & Web Apps Innovate fast, save development cost and delight users with a scalable, secure and customizable Chat

Cloud communication and data backend.

Build and ship in app messaging in a few hours

Open Source

Seamless Real-Time Chat Integration for Your Applications.

Open Source freemium $109.0 / Monthly (Based on the Monthly Active Users (MAUs))

APIs for the development of scalable newsfeeds and chat applications.

Open Source paid

PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.

Open Source

Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.

Plivo simplifies your customer engagement.

Layer is het platform voor alle Infrastructure & Testing Engineers. Blijf up-to-date in jouw vakgebied: vacatures, sociale bijeenkomsten en informatie.