matbrgz · Oct 4, 2026
diff --git a/src/site/headless-cms.njk b/src/site/headless-cms.njk
@@ -31,6 +31,15 @@ layout: layouts/base.njk
                 {%- endfor %}
               </select>
             </label>
+            <label class="inline-flex pr-4 pb-2">
+              <span class="sr-only">Language</span>
+              <select data-filter-bind="language" data-filter-delimiter="," class="text-black py-1 px-2 rounded-default border border-gray-200 dark:border-transparent bg-white">
+                <option selected value="">All Languages</option>
+                {%- for language in collections.cms | select("data.language") | flatten | unique | sort(false, false) %}
+                <option value="{{ language | lower }}">{{ language }}</option>
+                {%- endfor %}
+              </select>
+            </label>
             <label class="inline-flex pr-4 pb-2">
               <span class="sr-only">License</span>
               <select data-filter-bind="opensource" class="text-black py-1 px-2 rounded-default border border-gray-200 dark:border-transparent bg-white">

diff --git a/src/site/headless-cms/abe.md b/src/site/headless-cms/abe.md
@@ -3,6 +3,8 @@ title: AbeCMS
 repo: abecms/abecms
 homepage: https://abecms.org/
 opensource: "Yes"
+language:
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - Jekyll

diff --git a/src/site/headless-cms/agility-cms.md b/src/site/headless-cms/agility-cms.md
@@ -3,6 +3,8 @@ title: Agility CMS
 homepage: https://agilitycms.com/
 twitter: agilitycms
 opensource: "No"
+language:
+  - C#
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/agitcms.md b/src/site/headless-cms/agitcms.md
@@ -3,12 +3,14 @@ title: Agit CMS
 repo: 0xsuk/agitcms
 homepage: https://github.com/0xsuk/agitcms
 opensource: "Yes"
+language:
+  - TypeScript
 typeofcms: "Local"
 supportedgenerators:
-	- All
+  - All
 description: A hackable headless CMS for markdown blogs
 images:
-	- path: /img/cms/agitcms.png
+  - path: /img/cms/agitcms.png
 ---
 Agit CMS is a simple web frontend interface that utilizes filesystem to manage markdown/media contents. Built for markdown-based static site generators, like Hugo and Jekyll.  
 Write markdown blog posts the *hackable* way, get rid of your itch points.

diff --git a/src/site/headless-cms/alinea.md b/src/site/headless-cms/alinea.md
@@ -4,6 +4,8 @@ repo: alineacms/alinea
 homepage: https://alineacms.com
 twitter: alineacms
 opensource: "Yes"
+language:
+  - TypeScript
 typeofcms: "Git + API"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/amplience.md b/src/site/headless-cms/amplience.md
@@ -3,6 +3,9 @@ title: Amplience
 homepage: https://www.amplience.com
 twitter: Amplience
 opensource: "No"
+language:
+  - Java
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/any-json-cms.md b/src/site/headless-cms/any-json-cms.md
@@ -3,6 +3,8 @@ title: Any JSON CMS
 repo: evmizulin/any-json-cms
 homepage: https://github.com/evmizulin/any-json-cms
 opensource: "Yes"
+language:
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/apito.md b/src/site/headless-cms/apito.md
@@ -3,6 +3,8 @@ title: Apito
 homepage: https://apito.io/
 twitter: apito_io
 opensource: "No"
+language:
+  - Go
 typeofcms: "API Driven"
 supportedgenerators:
   - All 

diff --git a/src/site/headless-cms/apostrophecms.md b/src/site/headless-cms/apostrophecms.md
@@ -4,6 +4,9 @@ repo: apostrophecms/apostrophe
 homepage: https://apostrophecms.com/
 twitter: apostrophecms
 opensource: "Yes"
+language:
+  - JavaScript
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/artgen.md b/src/site/headless-cms/artgen.md
@@ -4,6 +4,8 @@ repo: artgenio/core
 homepage: https://artgen.io
 twitter: artgencms
 opensource: "Yes"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/atomic-server.md b/src/site/headless-cms/atomic-server.md
@@ -2,6 +2,9 @@
 title: Atomic Server
 homepage: https://atomicserver.eu/
 opensource: "Yes"
+language:
+  - Rust
+  - TypeScript
 repo: atomicdata-dev/atomic-server
 typeofcms: "API Driven"
 supportedgenerators:

diff --git a/src/site/headless-cms/aventum.md b/src/site/headless-cms/aventum.md
@@ -3,6 +3,8 @@ title: Aventum
 repo: TryAventum
 homepage: https://aventum.org/
 opensource: 'Yes'
+language:
+  - JavaScript
 typeofcms: 'API Driven'
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/b2evolution-cms.md b/src/site/headless-cms/b2evolution-cms.md
@@ -4,6 +4,9 @@ repo: b2evolution/b2evolution
 homepage: https://www.b2evolution.net/
 twitter: b2evolution
 opensource: "Yes"
+language:
+  - PHP
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/bloomreach.md b/src/site/headless-cms/bloomreach.md
@@ -3,6 +3,8 @@ title: Bloomreach
 homepage: https://developers.bloomreach.com
 twitter: bloomreach_tm
 opensource: "Yes"
+language:
+  - Java
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/brill.md b/src/site/headless-cms/brill.md
@@ -3,6 +3,9 @@ title: Brill CMS
 homepage: https://www.brill.software/
 repo: https://github.com/brill-software/brill_client
 opensource: "Yes"
+language:
+  - Java
+  - TypeScript
 typeofcms: "Visual, API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/builderio.md b/src/site/headless-cms/builderio.md
@@ -4,6 +4,8 @@ homepage: https://www.builder.io/
 repo: BuilderIO/builder
 twitter: builderio
 opensource: "No"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/burdy.md b/src/site/headless-cms/burdy.md
@@ -3,6 +3,8 @@ title: Burdy
 repo: burdy-io/burdy
 homepage: https://burdy.io
 opensource: "Yes"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/butter-cms.md b/src/site/headless-cms/butter-cms.md
@@ -3,6 +3,9 @@ title: Butter CMS
 homepage: https://buttercms.com/
 twitter: buttercms
 opensource: "No"
+language:
+  - Python
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/caisy.md b/src/site/headless-cms/caisy.md
@@ -3,6 +3,8 @@ title: Caisy
 homepage: https://caisy.io/
 twitter: caisyio
 opensource: "No"
+language:
+  - Go
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/cloudcms.md b/src/site/headless-cms/cloudcms.md
@@ -3,6 +3,9 @@ title: Cloud CMS
 homepage: https://www.cloudcms.com/
 twitter: cloudcms
 opensource: "No"
+language:
+  - Java
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/cockpit.md b/src/site/headless-cms/cockpit.md
@@ -4,6 +4,9 @@ repo: agentejo/cockpit
 homepage: https://getcockpit.com
 twitter: getcockpit
 opensource: "Yes"
+language:
+  - PHP
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/coisas.md b/src/site/headless-cms/coisas.md
@@ -3,6 +3,8 @@ title: Coisas
 repo: fiatjaf/coisas
 homepage: https://coisas.fiatjaf.com/
 opensource: "Yes"
+language:
+  - JavaScript
 typeofcms: "Git-based"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/contember.md b/src/site/headless-cms/contember.md
@@ -4,6 +4,8 @@ repo: contember/admin
 homepage: https://www.contember.com
 twitter: contember
 opensource: "Yes"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/contensis.md b/src/site/headless-cms/contensis.md
@@ -3,6 +3,8 @@ title: Contensis
 homepage: https://www.contensis.com
 twitter: contensis
 opensource: "No"
+language:
+  - C#
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/contenta.md b/src/site/headless-cms/contenta.md
@@ -4,6 +4,8 @@ repo: contentacms/contenta_jsonapi
 homepage: http://www.contentacms.org
 twitter: contentacms
 opensource: "Yes"
+language:
+  - PHP
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/contentful.md b/src/site/headless-cms/contentful.md
@@ -3,6 +3,10 @@ title: Contentful
 homepage: https://www.contentful.com/
 twitter: contentful
 opensource: "No"
+language:
+  - TypeScript
+  - Ruby
+  - Go
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/contentrain.md b/src/site/headless-cms/contentrain.md
@@ -3,6 +3,8 @@ title: Contentrain
 homepage: https://contentrain.io/
 twitter: contentrain_io
 opensource: "No"
+language:
+  - TypeScript
 typeofcms: "Git-based"
 supportedgenerators:
   - NuxtJs

diff --git a/src/site/headless-cms/contentstack.md b/src/site/headless-cms/contentstack.md
@@ -3,6 +3,8 @@ title: Contentstack
 homepage: https://www.contentstack.com
 twitter: contentstack
 opensource: "No"
+language:
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/craft-cms.md b/src/site/headless-cms/craft-cms.md
@@ -4,6 +4,9 @@ homepage: https://craftcms.com
 repo: craftcms/cms
 twitter: craftcms
 opensource: "Yes"
+language:
+  - PHP
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/craftercms.md b/src/site/headless-cms/craftercms.md
@@ -3,6 +3,9 @@ title: CrafterCMS
 homepage: https://craftercms.com/
 twitter: crafter_cms
 opensource: "Yes"
+language:
+  - Java
+  - TypeScript
 typeofcms: "Git + API"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/crownpeak.md b/src/site/headless-cms/crownpeak.md
@@ -4,6 +4,8 @@ homepage: https://www.crownpeak.com
 twitter: Crownpeak
 repo: Crownpeak/DXM-SDK-Core
 opensource: "No"
+language:
+  - C#
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/crystallize.md b/src/site/headless-cms/crystallize.md
@@ -4,6 +4,8 @@ homepage: https://www.crystallize.com/
 twitter: CrystallizeAPI
 repo: CrystallizeAPI/crystallize-cli
 opensource: "No"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
     - All

diff --git a/src/site/headless-cms/daptin.md b/src/site/headless-cms/daptin.md
@@ -3,6 +3,8 @@ title: Daptin
 repo: daptin/daptin
 homepage: https://dapt.in
 opensource: "Yes"
+language:
+  - Go
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/datocms.md b/src/site/headless-cms/datocms.md
@@ -3,6 +3,8 @@ title: DatoCMS
 homepage: https://www.datocms.com/
 twitter: datocms
 opensource: "No"
+language:
+  - Ruby
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/decap-cms.md b/src/site/headless-cms/decap-cms.md
@@ -4,6 +4,9 @@ repo: decaporg/decap-cms
 homepage: https://decapcms.org/
 twitter: Decap_CMS
 opensource: "Yes"
+language:
+  - JavaScript
+  - TypeScript
 typeofcms: "Git-based"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/directus.md b/src/site/headless-cms/directus.md
@@ -4,6 +4,8 @@ repo: directus/directus
 homepage: https://directus.io
 twitter: directus
 opensource: "No"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/dossier.md b/src/site/headless-cms/dossier.md
@@ -3,6 +3,8 @@ title: Dossier
 homepage: https://www.dossierhq.dev
 repo: dossierhq/dossierhq
 opensource: "Yes"
+language:
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/dotcms.md b/src/site/headless-cms/dotcms.md
@@ -4,6 +4,10 @@ repo: dotCMS/core
 homepage: https://www.dotcms.com/
 twitter: dotcms
 opensource: "Yes"
+language:
+  - Java
+  - JavaScript
+  - TypeScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/enonic-xp.md b/src/site/headless-cms/enonic-xp.md
@@ -4,6 +4,10 @@ repo: enonic/xp
 homepage: https://enonic.com/
 twitter: EnonicHQ
 opensource: "Yes"
+language:
+  - Java
+  - TypeScript
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All

diff --git a/src/site/headless-cms/flamelink.md b/src/site/headless-cms/flamelink.md
@@ -3,6 +3,8 @@ title: Flamelink
 homepage: https://flamelink.io
 twitter: FlamelinkCMS
 opensource: "No"
+language:
+  - JavaScript
 typeofcms: "API Driven"
 supportedgenerators:
   - All