diff --git a/README.md b/README.md
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@@ -460,6 +460,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [zoom.us](https://zoom.us/) - Secure Video and Web conferencing add-ons available. The free plan is limited to 40 minutes.
   * [Zulip](https://zulip.com/) - Real-time chat with a unique email-like threading model. The free plan includes 10,000 messages of search history and File storage up to 5 GB. also, it provides a self-hostable open-source version.
   * [RightFeature](https://rightfeature.com/) - Easily collect feedback from your customers, turn customer feedback into your product roadmap. Collect, prioritize, and ship features that actually matter to your users.
+  * [Zeitio](https://zeitio.com/) - Time tracking and invoicing for freelancers and small teams. Free plan includes 1 user, 3 active projects and 3 invoices per month.
 
 **[⬆️ Back to Top](#table-of-contents)**