diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index ac6b861..bdd092b 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -1019,15 +1019,21 @@ then it takes a second \\[keyboard-quit] to abort the minibuffer."
 
 (setq my/jupyter-runtime-folder (expand-file-name "~/.local/share/jupyter/runtime"))
 
+(defun my/get-open-ports ()
+  (mapcar
+   #'string-to-number
+   (split-string (shell-command-to-string "ss -tulpnH | awk '{print $5}' | sed -e 's/.*://'") "\n")))
+
+(defun my/list-jupyter-kernel-files ()
+  (mapcar
+   (lambda (file) (cons (car file) (cdr (assq 'shell_port (json-read-file (car file))))))
+   (sort
+    (directory-files-and-attributes my/jupyter-runtime-folder t ".*kernel.*json$")
+    (lambda (x y) (not (time-less-p (nth 6 x) (nth 6 y)))))))
+
 (defun my/select-jupyter-kernel ()
-  (let ((ports (mapcar
-                #'string-to-number
-                (split-string (shell-command-to-string "ss -tulpnH | awk '{print $5}' | sed -e 's/.*://'") "\n")))
-        (files (mapcar
-                (lambda (file) (cons (car file) (cdr (assq 'shell_port (json-read-file (car file))))))
-                (sort
-                 (directory-files-and-attributes my/jupyter-runtime-folder t ".*kernel.*json$")
-                 (lambda (x y) (not (time-less-p (nth 6 x) (nth 6 y))))))))
+  (let ((ports (my/get-open-ports))
+        (files (my/list-jupyter-kernel-files)))
     (completing-read
      "Jupyter kernels: "
      (seq-filter
@@ -1043,6 +1049,11 @@ then it takes a second \\[keyboard-quit] to abort the minibuffer."
   (interactive)
   (jupyter-connect-repl (my/select-jupyter-kernel) nil nil nil t))
 
+(defun my/jupyter-qtconsole ()
+  (interactive)
+  (start-process "jupyter-qtconsole" nil "setsid" "jupyter" "qtconsole" "--existing"
+                 (file-name-nondirectory (my/select-jupyter-kernel))))
+
 (use-package org-latex-impatient
   :straight (:repo "yangsheng6810/org-latex-impatient"
                    :branch "master"
@@ -1497,34 +1508,45 @@ then it takes a second \\[keyboard-quit] to abort the minibuffer."
 
 (add-hook 'bibtex-mode 'smartparens-mode)
 
+(defun my/list-sty ()
+  (reverse
+   (sort
+    (seq-filter
+     (lambda (file) (if (string-match ".*\.sty$" file) 1 nil))
+     (directory-files
+      (seq-some
+       (lambda (dir)
+         (if (and
+              (f-directory-p dir)
+              (seq-some
+               (lambda (file) (string-match ".*\.sty$" file))
+               (directory-files dir))
+              ) dir nil))
+       (list "./styles" "../styles/" "." "..")) :full))
+    (lambda (f1 f2)
+      (let ((f1b (file-name-base f1))
+            (f1b (file-name-base f2)))
+        (cond
+         ((string-match-p ".*BibTex" f1) t)
+         ((and (string-match-p ".*Locale" f1) (not (string-match-p ".*BibTex" f2))) t)
+         ((string-match-p ".*Preamble" f2) t)
+         (t (string-lessp f1 f2))))))))
+
 (defun my/import-sty ()
   (interactive)
   (insert
    (apply #'concat
           (cl-mapcar
            (lambda (file) (concat "\\usepackage{" (file-name-sans-extension (file-relative-name file default-directory)) "}\n"))
-           (reverse
-            (sort
-             (seq-filter
-              (lambda (file) (if (string-match ".*\.sty$" file) 1 nil))
-              (directory-files
-               (seq-some
-                (lambda (dir)
-                  (if (and
-                       (f-directory-p dir)
-                       (seq-some
-                        (lambda (file) (string-match ".*\.sty$" file))
-                        (directory-files dir))
-                       ) dir nil))
-                (list "./styles" "../styles/" "." "..")) :full))
-             (lambda (f1 f2)
-               (let ((f1b (file-name-base f1))
-                     (f1b (file-name-base f2)))
-                 (cond
-                  ((string-match-p ".*BibTex" f1) t)
-                  ((and (string-match-p ".*Locale" f1) (not (string-match-p ".*BibTex" f2))) t)
-                  ((string-match-p ".*Preamble" f2) t)
-                  (t (string-lessp f1 f2)))))))))))
+           (my/list-sty)))))
+
+(defun my/import-sty-org ()
+  (interactive)
+  (insert
+   (apply #'concat
+          (cl-mapcar
+           (lambda (file) (concat "#+LATEX_HEADER: \\usepackage{" (file-name-sans-extension (file-relative-name file default-directory)) "}\n"))
+           (my/list-sty)))))
 
 (setq my/greek-alphabet
       '(("a" . "\\alpha")
diff --git a/.emacs.d/snippets/org-mode/org-html-css b/.emacs.d/snippets/org-mode/org-html-css
index e46579e..74f86bf 100644
--- a/.emacs.d/snippets/org-mode/org-html-css
+++ b/.emacs.d/snippets/org-mode/org-html-css
@@ -2,6 +2,8 @@
 # name: org-html-css
 # key: org-html-css
 # --
+#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="https://gongzhitaao.org/orgcss/org.css"/>
+
 #+begin_export html
 <style type="text/css">
   .org-rainbow-delimiters-depth-1, .org-rainbow-delimiters-depth-2, .org-rainbow-delimiters-depth-3, .org-rainbow-delimiters-depth-4 {
diff --git a/.emacs.d/snippets/org-mode/org-latex b/.emacs.d/snippets/org-mode/org-latex
new file mode 100644
index 0000000..3897cdd
--- /dev/null
+++ b/.emacs.d/snippets/org-mode/org-latex
@@ -0,0 +1,7 @@
+# -*- mode: snippet -*-
+# name: org-latex
+# key: org-latex
+# --
+#+LATEX_CLASS: org-plain-extarticle
+#+LATEX_CLASS_OPTIONS: [a4paper, 14pt]
+$0
\ No newline at end of file
diff --git a/.emacs.d/snippets/org-mode/org-python-template b/.emacs.d/snippets/org-mode/org-python-template
index 9140157..adc6334 100644
--- a/.emacs.d/snippets/org-mode/org-python-template
+++ b/.emacs.d/snippets/org-mode/org-python-template
@@ -2,11 +2,11 @@
 # name: org-python-template
 # key: orgpy
 # --
-#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="https://gongzhitaao.org/orgcss/org.css"/>
 #+PROPERTY: header-args:python :session $1
 #+PROPERTY: header-args:python+ :exports both
 #+PROPERTY: header-args:python+ :tangle yes
 #+PROPERTY: header-args:python+ :async yes
+#+PROPERTY: header-args:python+ :eval never-export
 
 #+begin_src elisp :exports none
 (setq-local org-image-actual-width '(1024))
diff --git a/Emacs.org b/Emacs.org
index 999ad98..7c9c0bd 100644
--- a/Emacs.org
+++ b/Emacs.org
@@ -104,7 +104,7 @@ As with other files in the repo, parts prefixed with (OFF) are not used but kept
     - [[#python][Python]]
     - [[#view-html-in-browser][View HTML in browser]]
     - [[#setup][Setup]]
-    - [[#select-active-jupyter-kernel][Select active Jupyter kernel]]
+    - [[#managing-jupyter-kernels][Managing Jupyter kernels]]
   - [[#ui][UI]]
     - [[#instant-equations-preview][Instant equations preview]]
     - [[#latex-fragments][LaTeX fragments]]
@@ -114,7 +114,7 @@ As with other files in the repo, parts prefixed with (OFF) are not used but kept
     - [[#hugo][Hugo]]
     - [[#jupyter-notebook][Jupyter Notebook]]
     - [[#html-export][Html export]]
-    - [[#off-latex][(OFF) LaTeX]]
+    - [[#latex][LaTeX]]
   - [[#keybindings--stuff][Keybindings & stuff]]
     - [[#copy-a-link][Copy a link]]
   - [[#presentations][Presentations]]
@@ -1652,7 +1652,7 @@ Async code blocks evaluations. Jupyter blocks have a built-in async, so they are
   :config
   (setq ob-async-no-async-languages-alist '("python" "jupyter-python" "jupyter-octave")))
 #+end_src
-*** Select active Jupyter kernel
+*** Managing Jupyter kernels
 Functions for managing local Jupyter kernels.
 
 ~my/insert-jupyter-kernel~ inserts a path to an active Jupyter kernel to the buffer. Useful to quickly write a header like:
@@ -1660,22 +1660,28 @@ Functions for managing local Jupyter kernels.
 #+PROPERTY: header-args:python :session <path-to-kernel>
 #+end_example
 
-~my/jupyter-connect-repl~ opens a REPL, connected to an active kernel.
+~my/jupyter-connect-repl~ opens a =emacs-jupyter= REPL, connected to an active kernel. ~my/jupyter-qtconsole~ runs a standalone Jupyter QtConsole.
 
 Requirements: =ss=
 
 #+begin_src emacs-lisp
 (setq my/jupyter-runtime-folder (expand-file-name "~/.local/share/jupyter/runtime"))
 
+(defun my/get-open-ports ()
+  (mapcar
+   #'string-to-number
+   (split-string (shell-command-to-string "ss -tulpnH | awk '{print $5}' | sed -e 's/.*://'") "\n")))
+
+(defun my/list-jupyter-kernel-files ()
+  (mapcar
+   (lambda (file) (cons (car file) (cdr (assq 'shell_port (json-read-file (car file))))))
+   (sort
+    (directory-files-and-attributes my/jupyter-runtime-folder t ".*kernel.*json$")
+    (lambda (x y) (not (time-less-p (nth 6 x) (nth 6 y)))))))
+
 (defun my/select-jupyter-kernel ()
-  (let ((ports (mapcar
-                #'string-to-number
-                (split-string (shell-command-to-string "ss -tulpnH | awk '{print $5}' | sed -e 's/.*://'") "\n")))
-        (files (mapcar
-                (lambda (file) (cons (car file) (cdr (assq 'shell_port (json-read-file (car file))))))
-                (sort
-                 (directory-files-and-attributes my/jupyter-runtime-folder t ".*kernel.*json$")
-                 (lambda (x y) (not (time-less-p (nth 6 x) (nth 6 y))))))))
+  (let ((ports (my/get-open-ports))
+        (files (my/list-jupyter-kernel-files)))
     (completing-read
      "Jupyter kernels: "
      (seq-filter
@@ -1690,6 +1696,28 @@ Requirements: =ss=
 (defun my/jupyter-connect-repl ()
   (interactive)
   (jupyter-connect-repl (my/select-jupyter-kernel) nil nil nil t))
+
+(defun my/jupyter-qtconsole ()
+  (interactive)
+  (start-process "jupyter-qtconsole" nil "setsid" "jupyter" "qtconsole" "--existing"
+                 (file-name-nondirectory (my/select-jupyter-kernel))))
+#+end_src
+
+I've also noticed that there are JSON files left in the runtime folder whenever kernel isn't stopped correctly. So here is a cleanup function.
+
+#+begin_src emacs-lisp
+(defun my/jupyter-cleanup-kernels ()
+  (interactive)
+  (let* ((ports (my/get-open-ports))
+         (files (my/list-jupyter-kernel-files))
+         (to-delete (seq-filter
+                     (lambda (file)
+                       (not (member (cdr file) ports)))
+                     files)))
+    (when (and (length> to-delete 0)
+               (y-or-n-p (format "Delete %d files?" (length to-delete))))
+      (dolist (file to-delete)
+        (delete-file (car file))))))
 #+end_src
 ** UI
 *** Instant equations preview
@@ -1767,29 +1795,36 @@ Scale latex fragments preview.
   :config
   (setq org-html-htmlize-output-type 'css))
 #+end_src
-*** OFF (OFF) LaTeX
-| Type | Note                   |
-|------+------------------------|
-| TODO | Make LaTeX export work |
-
+*** LaTeX
+Add a custom LaTeX template without default packages. Packages are indented to be imported with function from [[Import *.sty]].
 #+begin_src emacs-lisp :tangle no
 (defun my/setup-org-latex ()
   (setq org-latex-compiler "xelatex")
+  (setq org-latex-listings 'minted)
+  (setq org-latex-minted-options
+        '(("breaklines" "true")
+          ("tabsize" "4")
+          ("autogobble")
+          ("linenos")
+          ("numbersep" "0.5cm")
+          ("xleftmargin" "1cm")
+          ("frame" "single")))
+  (setq org-latex-pdf-process '("latexmk -outdir=%o %f"))
   (add-to-list 'org-latex-classes
-                 '("extarticle"
-                   "\\documentclass[a4paper, 14pt]{extarticle}"
+               '("org-plain-extarticle"
+                 "\\documentclass{extarticle}
+[NO-DEFAULT-PACKAGES]
+[PACKAGES]
+[EXTRA]"
                  ("\\section{%s}" . "\\section*{%s}")
                  ("\\subsection{%s}" . "\\subsection*{%s}")
                  ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
                  ("\\paragraph{%s}" . "\\paragraph*{%s}")
-                 ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
-  )
-)
+                 ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))))
 
 (with-eval-after-load 'ox-latex
   (my/setup-org-latex))
 #+end_src
-
 ** Keybindings & stuff
 #+begin_src emacs-lisp :tangle no :noweb-ref org-keys-setup
 (general-define-key
@@ -2343,34 +2378,45 @@ References:
 A function to import =.sty= files to the LaTeX document.
 
 #+begin_src emacs-lisp
+(defun my/list-sty ()
+  (reverse
+   (sort
+    (seq-filter
+     (lambda (file) (if (string-match ".*\.sty$" file) 1 nil))
+     (directory-files
+      (seq-some
+       (lambda (dir)
+         (if (and
+              (f-directory-p dir)
+              (seq-some
+               (lambda (file) (string-match ".*\.sty$" file))
+               (directory-files dir))
+              ) dir nil))
+       (list "./styles" "../styles/" "." "..")) :full))
+    (lambda (f1 f2)
+      (let ((f1b (file-name-base f1))
+            (f1b (file-name-base f2)))
+        (cond
+         ((string-match-p ".*BibTex" f1) t)
+         ((and (string-match-p ".*Locale" f1) (not (string-match-p ".*BibTex" f2))) t)
+         ((string-match-p ".*Preamble" f2) t)
+         (t (string-lessp f1 f2))))))))
+
 (defun my/import-sty ()
   (interactive)
   (insert
    (apply #'concat
           (cl-mapcar
            (lambda (file) (concat "\\usepackage{" (file-name-sans-extension (file-relative-name file default-directory)) "}\n"))
-           (reverse
-            (sort
-             (seq-filter
-              (lambda (file) (if (string-match ".*\.sty$" file) 1 nil))
-              (directory-files
-               (seq-some
-                (lambda (dir)
-                  (if (and
-                       (f-directory-p dir)
-                       (seq-some
-                        (lambda (file) (string-match ".*\.sty$" file))
-                        (directory-files dir))
-                       ) dir nil))
-                (list "./styles" "../styles/" "." "..")) :full))
-             (lambda (f1 f2)
-               (let ((f1b (file-name-base f1))
-                     (f1b (file-name-base f2)))
-                 (cond
-                  ((string-match-p ".*BibTex" f1) t)
-                  ((and (string-match-p ".*Locale" f1) (not (string-match-p ".*BibTex" f2))) t)
-                  ((string-match-p ".*Preamble" f2) t)
-                  (t (string-lessp f1 f2)))))))))))
+           (my/list-sty)))))
+
+(defun my/import-sty-org ()
+  (interactive)
+  (insert
+   (apply #'concat
+          (cl-mapcar
+           (lambda (file) (concat "#+LATEX_HEADER: \\usepackage{" (file-name-sans-extension (file-relative-name file default-directory)) "}\n"))
+           (my/list-sty)))))
 #+end_src
 *** Snippets
 | Note | Type                                                            |