diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -337,6 +337,7 @@ This list is the result of Pull Requests, reviews, ideas and work done by 1100+
   * [numlookupapi.com](https://numlookupapi.com) - Free phone number validation API - 100k free requests / month.
   * [Volca](https://volca.io#api) - Free API providing lists of technologies such as programming languages and database systems. Unlimited free requests.
   * [Query.me](https://query.me) - Collaborative data notebooks that execute in a script-like fashion and allow to fetch and send data via SQL, API, and a growing number custom blocks, like Slack and Email. Free for small Teams.
+* [ERD Lab](https://www.erdlab.io) —  Free cloud based entity relationship diagram (ERD) tool made for developers.
 
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