diff --git a/TODO.org b/TODO.org
index 7e83e9e..8336740 100644
--- a/TODO.org
+++ b/TODO.org
@@ -15,7 +15,16 @@ solution, e.g. set it up to auto-tangle all .org files within/below
 
 ** Missing Features
 
-*** TODO flyspell languages
+*** TODO IDE
+
+**** TODO LSP per language
+
+**** TODO AutoComplete, easy compile, unit test
+
+**** TODO Debugging of some sort
+
+*** TODO flyspell languages (de, en)
+is it possible to detect based on existing content?
 
 *** TODO snippets?
 
@@ -32,7 +41,7 @@ solution, e.g. set it up to auto-tangle all .org files within/below
 *** TODO make org-roam work with simple key chords
 
 *** TODO beautify org-mode
-- https://zhangda.wordpress.com/2016/02/15/configurations-for-beautifying-emacs-org-mode/ 
+- https://zhangda.wordpress.com/2016/02/15/configurations-for-beautifying-emacs-org-mode/
 - https://zzamboni.org/post/beautifying-org-mode-in-emacs/
 - https://lucidmanager.org/productivity/ricing-org-mode/
 - beautiful checkboxes https://out-of-cheese-error.netlify.app/spacemacs-config#org70b3e7c
@@ -62,7 +71,6 @@ e.g. HN, golem, fefe, tagesschau
 
 ** LaTeX setup
 
-*** TODO make letters export work
+*** DONE make letters export work
 
 *** TODO make export for other texbased documents work
-
diff --git a/custom.el b/custom.el
index 73dca5e..d8210f5 100644
--- a/custom.el
+++ b/custom.el
@@ -25,11 +25,6 @@
           (lambda ()
             (add-hook 'after-save-hook #'org-babel-tangle-config)))
 
-(defvar fschl-org-file (expand-file-name "fschl-org.el" user-emacs-directory))
-(when (and fschl-org-file
-           (file-exists-p fschl-org-file))
-  (load	fschl-org-file nil :nomessage))
-
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
diff --git a/fschl-ide.el b/fschl-ide.el
new file mode 100644
index 0000000..dcedc24
--- /dev/null
+++ b/fschl-ide.el
@@ -0,0 +1,82 @@
+;;; fschl-ide.el -- Fschl Crafted Emacs user customization file -*- lexical-binding: t; -*-
+;; This file is generated from the .org-file with the same name. If you want to edit the
+;; configuration, DO NOT edit this .el-file, edit .org, instead.
+
+(add-to-list 'package-selected-packages 'cargo)
+(add-to-list 'package-selected-packages 'rustic)
+(add-to-list 'package-selected-packages 'ob-rust)
+(add-to-list 'package-selected-packages 'ob-rust)
+(package-install-selected-packages :noconfirm)
+
+(use-package rustic
+  :ensure
+  :bind (:map rustic-mode-map
+              ("M-j" . lsp-ui-imenu)
+              ("M-ö" . lsp-find-references)
+              ("C-c C-c l" . flycheck-list-errors)
+              ("C-c C-c a" . lsp-execute-code-action)
+              ("C-c C-c r" . lsp-rename)
+              ("C-c C-c q" . lsp-workspace-restart)
+              ("C-c C-c Q" . lsp-workspace-shutdown)
+              ("C-c C-c s" . lsp-rust-analyzer-status))
+  :config
+  ;; uncomment for less flashiness
+  ;; (setq lsp-eldoc-hook nil)
+  ;; (setq lsp-enable-symbol-highlighting nil)
+  ;; (setq lsp-signature-auto-activate nil)
+
+  ;; comment to disable rustfmt on save
+  (setq rustic-format-on-save t)
+  (add-hook 'rustic-mode-hook 'rk/rustic-mode-hook))
+
+(defun rk/rustic-mode-hook ()
+  ;; so that run C-c C-c C-r works without having to confirm, but don't try to
+  ;; save rust buffers that are not file visiting. Once
+  ;; https://github.com/brotzeit/rustic/issues/253 has been resolved this should
+  ;; no longer be necessary.
+  (when buffer-file-name
+    (setq-local buffer-save-without-query t))
+  (add-hook 'before-save-hook 'lsp-format-buffer nil t))
+
+(use-package lsp-mode
+  :ensure
+  :commands lsp
+  :custom
+  ;; what to use when checking on-save. "check" is default, I prefer clippy
+  (lsp-rust-analyzer-cargo-watch-command "clippy")
+  (lsp-eldoc-render-all t)
+  (lsp-idle-delay 0.6)
+  ;; enable / disable the hints as you prefer:
+  (lsp-inlay-hint-enable t)
+  ;; These are optional configurations. See https://emacs-lsp.github.io/lsp-mode/page/lsp-rust-analyzer/#lsp-rust-analyzer-display-chaining-hints for a full list
+  (lsp-rust-analyzer-display-lifetime-elision-hints-enable "skip_trivial")
+  (lsp-rust-analyzer-display-chaining-hints t)
+  (lsp-rust-analyzer-display-lifetime-elision-hints-use-parameter-names nil)
+  (lsp-rust-analyzer-display-closure-return-type-hints t)
+  (lsp-rust-analyzer-display-parameter-hints nil)
+  (lsp-rust-analyzer-display-reborrow-hints nil)
+  :config
+  (add-hook 'lsp-mode-hook 'lsp-ui-mode))
+
+(use-package lsp-ui
+  :ensure
+  :commands lsp-ui-mode
+  :custom
+  (lsp-ui-peek-always-show t)
+  (lsp-ui-sideline-show-hover t)
+  (lsp-ui-doc-enable nil))
+
+(use-package company
+:ensure
+:custom
+(company-idle-delay 0.5) ;; how long to wait until popup
+;; (company-begin-commands nil) ;; uncomment to disable popup
+:bind
+(:map company-active-map
+	    ("C-n". company-select-next)
+	    ("C-p". company-select-previous)
+	    ("M-<". company-select-first)
+	    ("M->". company-select-last)))
+
+(use-package flycheck :ensure)
+(setq lsp-inlay-hint-enable t)
diff --git a/fschl-ide.org b/fschl-ide.org
new file mode 100644
index 0000000..0ec7da3
--- /dev/null
+++ b/fschl-ide.org
@@ -0,0 +1,108 @@
+#+title: Setup Fschl Ide Configuration
+#+PROPERTY: header-args:emacs-lisp :tangle ./fschl-ide.el :mkdirp yes
+
+* Basic configuration
+** Additional Packages
+#+begin_src emacs-lisp
+  ;;; fschl-ide.el -- Fschl Crafted Emacs user customization file -*- lexical-binding: t; -*-
+  ;; This file is generated from the .org-file with the same name. If you want to edit the
+  ;; configuration, DO NOT edit this .el-file, edit .org, instead.
+
+  (add-to-list 'package-selected-packages 'cargo)
+  (add-to-list 'package-selected-packages 'rustic)
+  (add-to-list 'package-selected-packages 'ob-rust)
+  (add-to-list 'package-selected-packages 'ob-rust)
+  (package-install-selected-packages :noconfirm)
+#+end_src
+
+** Setup Rustic
+
+This is borrowed from https://robert.kra.hn/posts/rust-emacs-setup/
+#+begin_src emacs-lisp
+  (use-package rustic
+    :ensure
+    :bind (:map rustic-mode-map
+                ("M-j" . lsp-ui-imenu)
+                ("M-ö" . lsp-find-references)
+                ("C-c C-c l" . flycheck-list-errors)
+                ("C-c C-c a" . lsp-execute-code-action)
+                ("C-c C-c r" . lsp-rename)
+                ("C-c C-c q" . lsp-workspace-restart)
+                ("C-c C-c Q" . lsp-workspace-shutdown)
+                ("C-c C-c s" . lsp-rust-analyzer-status))
+    :config
+    ;; uncomment for less flashiness
+    ;; (setq lsp-eldoc-hook nil)
+    ;; (setq lsp-enable-symbol-highlighting nil)
+    ;; (setq lsp-signature-auto-activate nil)
+
+    ;; comment to disable rustfmt on save
+    (setq rustic-format-on-save t)
+    (add-hook 'rustic-mode-hook 'rk/rustic-mode-hook))
+
+  (defun rk/rustic-mode-hook ()
+    ;; so that run C-c C-c C-r works without having to confirm, but don't try to
+    ;; save rust buffers that are not file visiting. Once
+    ;; https://github.com/brotzeit/rustic/issues/253 has been resolved this should
+    ;; no longer be necessary.
+    (when buffer-file-name
+      (setq-local buffer-save-without-query t))
+    (add-hook 'before-save-hook 'lsp-format-buffer nil t))
+#+end_src
+
+** Setup LSP-mode and LSP-ui
+#+begin_src emacs-lisp
+  (use-package lsp-mode
+  :ensure
+  :commands lsp
+  :custom
+  ;; what to use when checking on-save. "check" is default, I prefer clippy
+  (lsp-rust-analyzer-cargo-watch-command "clippy")
+  (lsp-eldoc-render-all t)
+  (lsp-idle-delay 0.6)
+  ;; enable / disable the hints as you prefer:
+  (lsp-inlay-hint-enable t)
+  ;; These are optional configurations. See https://emacs-lsp.github.io/lsp-mode/page/lsp-rust-analyzer/#lsp-rust-analyzer-display-chaining-hints for a full list
+  (lsp-rust-analyzer-display-lifetime-elision-hints-enable "skip_trivial")
+  (lsp-rust-analyzer-display-chaining-hints t)
+  (lsp-rust-analyzer-display-lifetime-elision-hints-use-parameter-names nil)
+  (lsp-rust-analyzer-display-closure-return-type-hints t)
+  (lsp-rust-analyzer-display-parameter-hints nil)
+  (lsp-rust-analyzer-display-reborrow-hints nil)
+  :config
+  (add-hook 'lsp-mode-hook 'lsp-ui-mode))
+
+(use-package lsp-ui
+  :ensure
+  :commands lsp-ui-mode
+  :custom
+  (lsp-ui-peek-always-show t)
+  (lsp-ui-sideline-show-hover t)
+  (lsp-ui-doc-enable nil))
+#+end_src
+
+** Auto-completion
+lsp-mode integrates with company mode
+
+#+begin_src emacs-lisp
+  (use-package company
+  :ensure
+  :custom
+  (company-idle-delay 0.5) ;; how long to wait until popup
+  ;; (company-begin-commands nil) ;; uncomment to disable popup
+  :bind
+  (:map company-active-map
+	      ("C-n". company-select-next)
+	      ("C-p". company-select-previous)
+	      ("M-<". company-select-first)
+	      ("M->". company-select-last)))
+#+end_src
+
+** Inline stuff
+
+hints and errors
+#+begin_src emacs-lisp
+  (use-package flycheck :ensure)
+  (setq lsp-inlay-hint-enable t)
+#+end_src
+
diff --git a/init.el b/init.el
index 843a558..2539427 100644
--- a/init.el
+++ b/init.el
@@ -31,3 +31,13 @@
 
 (unless crafted-startup-inhibit-splash
   (setq initial-buffer-choice #'crafted-startup-screen))
+
+(defvar fschl-org-file (expand-file-name "fschl-org.el" user-emacs-directory))
+(when (and fschl-org-file
+           (file-exists-p fschl-org-file))
+  (load fschl-org-file nil :nomessage))
+
+(defvar fschl-ide-file (expand-file-name "fschl-ide.el" user-emacs-directory))
+(when (and fschl-ide-file
+           (file-exists-p fschl-ide-file))
+  (load fschl-ide-file nil :nomessage))
diff --git a/init.org b/init.org
index 88c38fc..052cc74 100644
--- a/init.org
+++ b/init.org
@@ -45,3 +45,16 @@
   (unless crafted-startup-inhibit-splash
     (setq initial-buffer-choice #'crafted-startup-screen))
 #+end_src
+
+** Load my custom files
+#+begin_src emacs-lisp
+  (defvar fschl-org-file (expand-file-name "fschl-org.el" user-emacs-directory))
+  (when (and fschl-org-file
+             (file-exists-p fschl-org-file))
+    (load fschl-org-file nil :nomessage))
+
+  (defvar fschl-ide-file (expand-file-name "fschl-ide.el" user-emacs-directory))
+  (when (and fschl-ide-file
+             (file-exists-p fschl-ide-file))
+    (load fschl-ide-file nil :nomessage))
+#+end_src