Pure JavaScript live chat — no framework, no build step, no npm install. One script tag.
Knocket is a free JavaScript live chat widget — no plugin, no app, just one line of JavaScript. It's free forever with no ads, and includes a unified inbox for Live Chat, Telegram, and Email. Every visitor message pings your Telegram — quote-reply from your phone and it lands back on the visitor's page.
Best for: Vanilla JS developers, legacy sites, quick prototypes, non-framework projects.
| Feature | Knocket | Intercom | Crisp |
|---|---|---|---|
| Free forever | ✓ | — | — |
| No ads on your page | ✓ | — | — |
| Unified inbox (Live Chat, Telegram, and Email) | ✓ | — | — |
| Telegram push notifications | ✓ | — | — |
| Shareable contact page | ✓ | — | — |
| One-line install / no code | ✓ | — | — |
Knocket is a free javascript live chat — a lightweight contact layer for indie developers, small teams, and anyone who needs to add a chat button or contact page without enterprise complexity. Visitors message you in real time; you reply from the Knocket inbox or directly from Telegram.
Paste one <script> tag before </body> on any HTML page. No npm, no build step, no framework required. The widget loads asynchronously and adds a floating chat bubble to your page.
Yes. Knocket is 100% free forever — no hidden fees, no ads on your site, and no watermarks. It's a strong alternative to Intercom (which charges per seat) and Crisp (which gates key features behind paid plans). You get live chat, a shareable contact page, and a unified inbox for Live Chat, Telegram, and Email — all free.
Yes. From the Knocket console you can customize the theme color, welcome message, language, offline message, social media links, and meeting booking link. The widget adapts to both desktop and mobile automatically. For Contact Page you can also set the card background, text color, dark/light mode, border style, avatar, and bio.
Knocket sends instant Telegram push notifications and email notifications whenever a visitor sends a message. The full message content appears in the Telegram notification — just quote-reply in Telegram and your response is delivered back to the visitor in real time. No dashboard to open, no tab to switch.
60 seconds. No card. Free forever.
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