diff --git a/jkqtplotter/jkqtplotter.2018-08-19.manifest b/jkqtplotter/jkqtplotter.2018-08-19.manifest
new file mode 100644
index 00000000..bd09e3d9
--- /dev/null
+++ b/jkqtplotter/jkqtplotter.2018-08-19.manifest
@@ -0,0 +1,34 @@
+{
+  "$schema": "http://inqlude.org/schema/release-manifest-v1#",
+  "name": "jkqtplotter",
+  "display_name": "JKQtPlotter",
+  "version": "v2018.08",
+  "release_date": "2018-08-19",
+  "summary": "Plotting widget for Qt, including data management and LaTeX rendering",
+  "urls": {
+    "homepage": "https://github.com/jkriege2/JKQtPlotter/tree/v2018.08",
+    "vcs": "https://github.com/jkriege2/JKQtPlotter",
+    "api_docs": "https://github.com/jkriege2/JKQtPlotter",
+    "download": "https://github.com/jkriege2/JKQtPlotter/releases/tag/v2018.08",
+    "tutorial": "https://github.com/jkriege2/JKQtPlotter/tree/v2018.08/test/jkqtplotter_simpletest"
+  },
+  "licenses": [
+    "LGPLv2.1+"
+  ],
+  "description": "This is an extensive library of function/data plotter classes for Qt (>= 4.7, tested with Qt up to 5.11).",
+  "maturity": "stable",
+  "authors": [
+    "Jan Krieger <jan@jkrieger.de>"
+  ],
+  "platforms": [
+    "Linux",
+    "Windos",
+    "OS X"
+  ],
+  "packages": {
+    "source": "https://github.com/jkriege2/JKQtPlotter/archive/v2018.08.tar.gz"
+  },
+  "topics": [
+    "Graphics"
+  ]
+}
diff --git a/jkqtplotter/jkqtplotter.2018-12-28.manifest b/jkqtplotter/jkqtplotter.2018-12-28.manifest
new file mode 100644
index 00000000..7bffb88d
--- /dev/null
+++ b/jkqtplotter/jkqtplotter.2018-12-28.manifest
@@ -0,0 +1,33 @@
+{
+  "$schema": "http://inqlude.org/schema/release-manifest-v1#",
+  "name": "jkqtplotter",
+  "display_name": "JKQtPlotter",
+  "version": "master",
+  "release_date": "2018-12-28",
+  "summary": "Plotting widget for Qt, including data management and LaTeX rendering",
+  "urls": {
+    "homepage": "https://github.com/jkriege2/JKQtPlotter",
+    "vcs": "https://github.com/jkriege2/JKQtPlotter",
+    "api_docs": "https://github.com/jkriege2/JKQtPlotter",
+    "tutorial": "https://github.com/jkriege2/JKQtPlotter"
+  },
+  "licenses": [
+    "LGPLv2.1+"
+  ],
+  "description": "This is an extensive library of function/data plotter classes for Qt (>= 4.7, tested with Qt up to 5.11).",
+  "maturity": "development",
+  "authors": [
+    "Jan Krieger <jan@jkrieger.de>"
+  ],
+  "platforms": [
+    "Linux",
+    "Windos",
+    "OS X"
+  ],
+  "packages": {
+    "source": "https://github.com/jkriege2/JKQtPlotter/archive/master.zip"
+  },
+  "topics": [
+    "Graphics"
+  ]
+}