ETL: Add Apache Hop and Apache NiFi

docs/integrate/etl/index.md

@@ -40,13 +40,25 @@ Tutorials and resources about configuring the managed variants, Astro and CrateD
 - [Executable stack: Apache Kafka, Apache Flink, and CrateDB]
 
 
+## Apache Hop
+
+- [Using Apache Hop with CrateDB]
+- [CrateDB dialect for Apache Hop]
+- [CrateDB Apache Hop Bulk Loader transform]
+
+
 ## Apache Kafka
 
 - [Data Ingestion using Kafka and Kafka Connect]
 - [Executable stack: Apache Kafka, Apache Flink, and CrateDB]
 - [Tutorial: Replicating data to CrateDB with Debezium and Kafka]
 
 
+## Apache NiFi
+
+- [Connecting to CrateDB from Apache NiFi]
+
+
 ## Azure Functions
 
 - {ref}`azure-functions`
@@ -113,7 +125,10 @@ A demo project which uses SSIS and ODBC to read and write data from CrateDB:
 [Build a data ingestion pipeline using Kafka, Flink, and CrateDB]: https://dev.to/crate/build-a-data-ingestion-pipeline-using-kafka-flink-and-cratedb-1h5o
 [Building a hot and cold storage data retention policy in CrateDB with Apache Airflow]: https://community.cratedb.com/t/cratedb-and-apache-airflow-building-a-hot-cold-storage-data-retention-policy/934
 [Community Day: Stream processing with Apache Flink and CrateDB]: https://cratedb.com/blog/cratedb-community-day-2nd-edition-summary-and-highlights
+[Connecting to CrateDB from Apache NiFi]: https://community.cratedb.com/t/connecting-to-cratedb-from-apache-nifi/647
 [CrateDB and Apache Airflow: Building a data ingestion pipeline]: https://community.cratedb.com/t/cratedb-and-apache-airflow-building-a-data-ingestion-pipeline/926 
+[CrateDB Apache Hop Bulk Loader transform]: https://hop.apache.org/manual/latest/pipeline/transforms/cratedb-bulkloader.html
+[CrateDB dialect for Apache Hop]: https://hop.apache.org/manual/latest/database/databases/cratedb.html
 [CrateDB's PostgreSQL interface]: inv:crate-reference#interface-postgresql
 [Data Ingestion using Kafka and Kafka Connect]: https://cratedb.com/docs/crate/howtos/en/latest/integrations/kafka-connect.html
 [ETL pipeline using Apache Airflow with CrateDB (Source)]: https://github.com/astronomer/astro-cratedb-blogpost
@@ -128,6 +143,7 @@ A demo project which uses SSIS and ODBC to read and write data from CrateDB:
 [Setting up data pipelines with CrateDB and Kestra]: https://community.cratedb.com/t/setting-up-data-pipelines-with-cratedb-and-kestra-io/1400
 [Tutorial: Replicating data to CrateDB with Debezium and Kafka]: https://community.cratedb.com/t/replicating-data-to-cratedb-with-debezium-and-kafka/1388
 [Updating stock market data automatically with CrateDB and Apache Airflow]: https://community.cratedb.com/t/updating-stock-market-data-automatically-with-cratedb-and-apache-airflow/1304
+[Using Apache Hop with CrateDB]: https://community.cratedb.com/t/using-apache-hop-with-cratedb/1754
 [Using dbt with CrateDB]: https://community.cratedb.com/t/using-dbt-with-cratedb/1566
 [Using SQL Server Integration Services with CrateDB]: https://github.com/crate/cratedb-examples/tree/main/application/microsoft-ssis
 [Webinar: How to replicate data from other databases to CrateDB with Debezium and Kafka]: https://cratedb.com/resources/webinars/lp-wb-debezium-kafka