diff --git a/README.md b/README.md
index 78224017..c2195e7d 100644
--- a/README.md
+++ b/README.md
@@ -470,6 +470,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1100+ peo
   * [Pullflow](https://pullflow.com) — Pullflow offers an AI-enhanced platform for code review collaboration across GitHub, Slack, and VS Code.
   * [Webex](https://www.webex.com/) — Video meetings with a free plan offering 40 minutes per meeting with 100 attendees.
   * [RingCentral](https://www.ringcentral.com/) — Video meetings with a free plan offering 50 minutes per meeting with 100 participants.
+  * [GitBook](https://www.gitbook.com/) — Platform for capturing and documenting technical knowledge — from product docs to internal knowledge bases and APIs. Free plan for individual developers.
 
 **[⬆️ Back to Top](#table-of-contents)**