diff --git a/README.md b/README.md
index 8641d5ba..350b2e32 100644
--- a/README.md
+++ b/README.md
@@ -808,6 +808,7 @@ Table of Contents
   * [ReqBin](https://www.reqbin.com/) — Post HTTP Requests Online. Popular Request Methods include GET, POST, PUT, DELETE, and HEAD. Supports Headers and Token Authentication. Includes a basic login system for saving your requests.
   * [PDFMonkey](https://www.pdfmonkey.io/) — Manage PDF templates in a dashboard, call the API with dynamic data, download your PDF. Offers 1000 free documents per month.
   * [FOSSA](https://fossa.com/) - Scalable, end-to-end management for third-party code, license compliance and vulnerabilities.
+  * [ConfigCat](https://configcat.com) - Cross-platform feature flag service. SDKs for all major languages. Free plan up to 10 flags, 2 environments, 1 product and 5 Million requests per month. Unlimited user seats. Students get 100 flags and 100 Million requests per month for free.
 
 ## Other Free Resources
   * [github.com — FOSS for Dev](https://github.com/tvvocold/FOSS-for-Dev) — A hub of free and Open Source software for developers