diff --git a/pkgs/applications/editors/vscode/extensions/congyiwu.vscode-jupytext/default.nix b/pkgs/applications/editors/vscode/extensions/congyiwu.vscode-jupytext/default.nix
new file mode 100644
index 000000000000..b03c7cafd3ac
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/congyiwu.vscode-jupytext/default.nix
@@ -0,0 +1,21 @@
+{
+  lib,
+  vscode-utils,
+}:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "vscode-jupytext";
+    publisher = "congyiwu";
+    version = "0.1.2";
+    hash = "sha256-V9V4O1fdhY/ReKskixn113O0G1Mu1x9Z9SdChw9uVqU=";
+  };
+  meta = {
+    changelog = "https://marketplace.visualstudio.com/items/congyiwu.vscode-jupytext/changelog";
+    description = "Visual Studio Code extension for Jupytext support";
+    downloadPage = "https://marketplace.visualstudio.com/items?itemName=congyiwu.vscode-jupytext";
+    homepage = "https://github.com/congyiwu/vscode-jupytext";
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.smissingham ];
+  };
+}
diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index f6d2e594a66d..cf024004e5f5 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1069,6 +1069,8 @@ let
         };
       };
 
+      congyiwu.vscode-jupytext = callPackage ./congyiwu.vscode-jupytext { };
+
       contextmapper.context-mapper-vscode-extension =
         callPackage ./contextmapper.context-mapper-vscode-extension
           { };
@@ -2578,6 +2580,8 @@ let
 
       johnpapa.winteriscoming = callPackage ./johnpapa.winteriscoming { };
 
+      joshmu.periscope = callPackage ./joshmu.periscope { };
+
       jgclark.vscode-todo-highlight = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "vscode-todo-highlight";
@@ -3236,7 +3240,7 @@ let
           description = "Data viewing, cleaning and preparation for tabular datasets";
           downloadPage = "https://marketplace.visualstudio.com/items?itemName=ms-toolsai.datawrangler";
           homepage = "https://github.com/microsoft/vscode-data-wrangler";
-          license = lib.licenses.mit;
+          license = lib.licenses.unfree;
           maintainers = [ lib.maintainers.katanallama ];
         };
       };
diff --git a/pkgs/applications/editors/vscode/extensions/joshmu.periscope/default.nix b/pkgs/applications/editors/vscode/extensions/joshmu.periscope/default.nix
new file mode 100644
index 000000000000..d86d2c6c259f
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/joshmu.periscope/default.nix
@@ -0,0 +1,21 @@
+{
+  lib,
+  vscode-utils,
+}:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "periscope";
+    publisher = "joshmu";
+    version = "1.15.1";
+    hash = "sha256-Ssa3qoookSa/JnmZl1AmlT48exAgd6pbwdzzsmTcEqs=";
+  };
+  meta = {
+    changelog = "https://marketplace.visualstudio.com/items/joshmu.periscope/changelog";
+    description = "Visual Studio Code extension for fuzzy search and navigation";
+    downloadPage = "https://marketplace.visualstudio.com/items?itemName=joshmu.periscope";
+    homepage = "https://github.com/joshmu/periscope";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.smissingham ];
+  };
+}