From 134326f34b8ed121b9fa869ff38cb6bc48e57ad6 Mon Sep 17 00:00:00 2001
From: Mike Gifford <mike.gifford@civicactions.com>
Date: Thu, 14 Dec 2023 12:08:34 -0500
Subject: [PATCH] Both seem to be maintained reasonably recently.

Although, both seem to be from Daisy...
---
 _guide/tools.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/_guide/tools.md b/_guide/tools.md
index 816ab726..2edf40d1 100644
--- a/_guide/tools.md
+++ b/_guide/tools.md
@@ -187,6 +187,7 @@ Color blindness simulator for Windows, Mac, and Linux.
 ## EPUB3 {#epub}
 
 * [EPUBCheck](https://github.com/w3c/epubcheck)
+* [Ace, by DAISY](https://github.com/daisy/ace)
 
 ## PDFs {#pdfs}