Real-time messaging
Instant messaging designed to feel fast, responsive, and always connected.
Osmium combines the features of modern chat apps with the stability and reliability of mainstream platforms, all for free.

Six principles that shape every decision we make, from infrastructure to interface.
Instant messaging designed to feel fast, responsive, and always connected.
Servers distributed around the world to keep messaging and voice fast anywhere.
Custom-built voice infrastructure engineered for low latency, stability, and real-time communication.
Organize chats and communities with powerful roles, permissions, and moderation controls.
Jump into voice or video conversations instantly with low-latency communication built from the ground up and supported on all devices.
No ads, no data harvesting. Just messaging.
Privately owned and privacy-first. No third-party data collection.
Upload custom emojis and create sticker packs for your community or yourself. Like an emoji? Just click it and grab it into your personal collection.



While other platforms rely on third-party solutions, we engineered our own voice infrastructure to prioritize latency, stability, and control.
Our free, public API gives you full access to build custom bots, integrations, and even entirely third-party clients. No gatekeeping, no restricted endpoints, no approval.
import { OsmiumClient } from "@osmiumchat/sdk";
const client = new OsmiumClient({
token: process.env.BOT_TOKEN,
});
client.on("message", (msg) => {
if (msg.content === "!ping") {
msg.reply("Pong! 🏓");
}
});
client.connect();From customization to developer tools, Osmium keeps expanding with new features and improvements.