Add PubCrank to list of front ends

*.html

content/en/tools/front-ends.md

@@ -21,6 +21,9 @@ aliases: [/tools/frontends/]
 [DatoCMS](https://www.datocms.com)
 : DatoCMS is a fully customizable administrative area for your static websites. Use your favorite website generator, let your clients publish new content independently, and the host the site anywhere you like.
 
+[PubCrank](https://www.pubcrank.com/)
+: PubCrank is a static site editor which lets you define templates for different front matter layouts in your site. This gives writers an easy-to-use visual interface to create and edit content while maintaining the guardrails that the developer has created. PubCrank is free for local editing.
+
 ## Open-source
 
 [Decap CMS](https://decapcms.org/)