diff --git a/README.md b/README.md
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@@ -758,6 +758,7 @@ Table of Contents
    * [funretro.io](https://www.funretro.io/) — Free simple and intuitive sprint retrospective tool
    * [github.com](https://github.com/) — In addition to its Git storage facility, GitHub offers basic issue tracking
    * [Gitlab](https://gitlab.com) - Offers basic issue tracking for projects.
+   * [gleek.io](https://www.gleek.io) — Free description-to-diagrams tool for developers. Create informal, UML class, object, or entity-relationship diagrams using your keyword.
    * [gliffy.com](https://www.gliffy.com/) — Online diagrams: flowchart, UML, wireframe,... Also plugins for Jira and Confluence. 5 diagrams and 2 MB free
    * [GraphQL Inspector](https://github.com/marketplace/graphql-inspector) - GraphQL Inspector ouputs a list of changes between two GraphQL schemas. Every change is precisely explained and marked as breaking, non-breaking or dangerous.
    * [huboard.com](https://huboard.com/) — Instant project management for your GitHub issues, free for Open Source