diff --git a/pages/tools.en.mdx b/pages/tools.en.mdx
index 99da457..92a8cbd 100644
--- a/pages/tools.en.mdx
+++ b/pages/tools.en.mdx
@@ -45,6 +45,7 @@
 - [PromptPerfect](https://promptperfect.jina.ai/)
 - [Promptly](https://trypromptly.com/)
 - [PromptSource](https://github.com/bigscience-workshop/promptsource)
+- [PromptTools](https://github.com/hegelai/prompttools)
 - [Promptist](https://promptist.herokuapp.com/)
 - [Scale SpellBook](https://scale.com/spellbook)
 - [sharegpt](https://sharegpt.com)