Update resources.md (#9449)

Merge pull request 9449

docs/pages/resources.md

@@ -42,8 +42,8 @@ Use a SaaS service as a backend for functionality on your Jekyll site
 ### Content Management
   - [CloudCannon](https://cloudcannon.com/): The Cloud CMS for Jekyll
   - [Contentful](https://github.com/contentful/jekyll-contentful-data-import): Content infrastructure for digital teams
-  - [Forestry.io](https://forestry.io/): A free Git-based responsive CMS, with content modeling and instant previews.
-  - [Netlify CMS](https://www.netlifycms.org/): Open source content management for your Git workflow
+  - [TinaCMS.io](https://tina.io/): Tina is an open-source, Git-backed headless content management system (CMS) that empowers both developers and content creators to collaborate seamlessly on a single platform
+  - [Decap CMS](https://decapcms.org/): Decap CMS (formerly Netlify CMS) is an open source content management system for your Git workflow that enables you to provide editors with a friendly UI and intuitive workflows
   - [Siteleaf](https://www.siteleaf.com/): Built for developers, Loved by everyone
   - [Kentico Kontent](https://github.com/Kentico/kontent-jekyll): A headless CMS with full control over content presentation