diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8aa2331
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+# Build directories
+build/
+target/
+
+# Downloaded models
+models/
+
+# Downloaded binaries
+bin/
+
+# Source data directories
+I5/
+
+# Compressed archives
+*.tar
+*.tar.gz
+*.tar.xz
+*.zip
+
+# Temporary files
+*.tmp
+*~
+.DS_Store
+
+# IDE and editor files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Log files
+*.log
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a05b93d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,93 @@
+SRC_DIR ?= I5
+
+# Discover all *.i5.xml files in SRC_DIR
+I5_FILES := $(wildcard $(SRC_DIR)/*.i5.xml)
+BASENAMES := $(patsubst %.i5.xml,%,$(notdir $(I5_FILES)))
+
+BUILD_DIR = build
+TARGET_DIR ?= target
+MAX_THREADS ?= 8 # $(shell nproc)
+MAKE ?= make -j $(shell nproc)
+KORAPXMLTOOL_HEAP ?= $(shell echo "$$(($(MAX_THREADS) * 2500))")
+KORAPXMLTOOL ?= ./bin/korapxmltool
+
+.DELETE_ON_ERROR:
+
+.PHONY: all clean test index
+
+
+.PRECIOUS: $(BUILD_DIR)/%.zip $(BUILD_DIR)/%.tree_tagger.zip $(BUILD_DIR)/%.marmot-malt.zip $(BUILD_DIR)/%.spacy.zip $(BUILD_DIR)/%.corenlp.zip $(BUILD_DIR)/%.opennlp.zip $(BUILD_DIR)/%.krill.tar %.i5.xml
+
+all: index
+
+index: $(TARGET_DIR)/index
+
+$(BUILD_DIR)/%.zip: $(SRC_DIR)/%.i5.xml
+	mkdir -p $(BUILD_DIR)
+	tei2korapxml --progress -l warn -s -tk - < $< > $@
+	printf "%s\t%s\n" "$(grep -c '<idsText ' $<)" "$(unzip -l $@ | grep data.xml | wc -l)"
+
+
+$(BUILD_DIR)/%.tree_tagger.zip: $(BUILD_DIR)/%.zip bin/korapxmltool 
+	$(KORAPXMLTOOL) -T treetagger -t zip --force -D $(BUILD_DIR) $<
+#	 $(KORAPXMLTOOL) $< | pv | docker run --rm -i korap/conllu2treetagger -l german | conllu2korapxml > $@
+
+$(BUILD_DIR)/%.spacy.zip: $(BUILD_DIR)/%.zip bin/korapxmltool 
+	$(KORAPXMLTOOL) -T spacy -t zip --force -D $(BUILD_DIR) $<
+
+bin/korapxmltool:
+	mkdir -p bin
+	curl -sL -o $@ https://github.com/korap/korapxmltool/releases/download/v3.1.0/korapxmltool
+	chmod +x $@
+
+models/de.marmot:
+	mkdir -p models
+	curl -sL -o $@ https://cistern.cis.lmu.de/marmot/models/CURRENT/spmrl/de.marmot
+
+models/german.mco:
+	mkdir -p models
+	curl -sL -o $@  https://corpora.ids-mannheim.de/tools/$@
+
+models/dereko_domains_s.classifier:
+	mkdir -p models
+	curl -sL -o $@ https://corpora.ids-mannheim.de/tools/$@
+
+models/german-fast.tagger:
+	mkdir -p models
+	curl -sL -o $@ https://corpora.ids-mannheim.de/tools/$@
+
+models/germanSR.ser.gz:
+	mkdir -p models
+	curl -sL -o $@ https://corpora.ids-mannheim.de/tools/$@
+
+models/de-pos-maxent.bin:
+	mkdir -p models
+	curl -sL -o $@ https://corpora.ids-mannheim.de/tools/$@
+
+$(BUILD_DIR)/%.marmot-malt.zip:$(BUILD_DIR)/%.zip models/de.marmot models/german.mco  bin/korapxmltool 
+	$(KORAPXMLTOOL) -T marmot:models/de.marmot -P malt:models/german.mco -t zip --force -D $(BUILD_DIR) $<
+
+$(BUILD_DIR)/%.corenlp.zip: $(BUILD_DIR)/%.zip models/german-fast.tagger models/germanSR.ser.gz bin/korapxmltool
+	$(KORAPXMLTOOL) -T corenlp -P corenlp -t zip --force -D $(BUILD_DIR) $<
+
+$(BUILD_DIR)/%.opennlp.zip: $(BUILD_DIR)/%.zip models/de-pos-maxent.bin bin/korapxmltool 
+	$(KORAPXMLTOOL) -T opennlp -t zip --force -D $(BUILD_DIR) $<
+
+# udpipe target removed as requested
+# %.ud.zip: %.zip
+#	$(KORAPXMLTOOL) $< | pv | ./scripts/udpipe2 | conllu2korapxml > $@
+
+$(BUILD_DIR)/%.krill.tar: $(BUILD_DIR)/%.zip $(BUILD_DIR)/%.marmot-malt.zip $(BUILD_DIR)/%.tree_tagger.zip $(BUILD_DIR)/%.spacy.zip $(BUILD_DIR)/%.corenlp.zip $(BUILD_DIR)/%.opennlp.zip
+	K2K_PUBLISHER_STRING=1 K2K_TRANSLATOR_TEXT=1 $(KORAPXMLTOOL) --non-word-tokens -f -t krill -D $(BUILD_DIR) $(basename $<)*.zip
+
+
+$(TARGET_DIR)/index.tar.xz: $(TARGET_DIR)/index
+	tar -I 'xz -T0' -C $(dir $<) -cf $@ $(notdir $<)
+
+clean:
+	rm -rf $(BUILD_DIR) $(TARGET_DIR)
+
+$(TARGET_DIR)/index: $(foreach base,$(BASENAMES),$(BUILD_DIR)/$(base).krill.tar)
+	rm -rf $@
+	mkdir -p $(TARGET_DIR)
+	java -jar lib/Krill-Indexer.jar --progress -c lib/krill.conf -i $(subst " ",;,$^) -o $@