Popular Libraries

loader

Note! Unreleased development branch. Track progress & issues here. Checkout v0.14 for something stable.

*µWS ("[micro](https://en.wikipedia.org/wiki/Micro-)WS") is simple and efficient*[[1]](benchmarks) *messaging for the modern web.* • [Fancy pants details, user manual and FAQ](misc/READMORE.md)

Express yourself briefly.

uWS::SSLApp({

    /* There are tons of SSL options */
    .cert_file_name = "cert.pem",
    .key_file_name = "key.pem"

}).onGet("/", [](auto *res, auto *req) {

    /* Respond with the web app on default route */
    res->writeStatus("200 OK")
       ->writeHeader("Content-Type", "text/html; charset=utf-8")
       ->end(indexHtmlBuffer);

}).onWebSocket<UserData>("/ws/chat", [&](auto *ws, auto *req) {

    /* Subscribe to topic /chat */
    ws->subscribe("chat");

}).onMessage([&](auto *ws, auto message, auto opCode) {

    /* Parse incoming message according to some protocol & publish it */
    if (seemsReasonable(message)) {
        ws->publish("chat", message);
    } else {
        ws->close();
    }

}).onClose([&](auto *ws, int code, auto message) {

    /* Remove websocket from this topic */
    ws->unsubscribe("chat");

}).listen("localhost", 3000, 0).run();

Pay what you want.

A free & open source (Zlib) project since 2016. Kindly sponsored by BitMEX, Bitfinex & Coinbase in 2018.

Become a paying sponsor to unlock support, issue reporting, roadmaps and to drop suggestions.

Deploy like a boss.

Commercial support is available via a per-hourly consulting plan or as otherwise negotiated. If you're stuck, worried about design or just in need of help don't hesitate throwing me, the author a mail and we'll figure out what's best for both parties. I want your business to have a proper understanding of the problem before rushing in to one of the many pitfalls.

Excel across the board.

All that glitters is not gold. Especially so in a market driven by flashy logos, hype and pointless badges.

Http | WebSockets --- | --- |