1. Apache Hadoop 2. Apache Spark 3. Apache Cassandra 4. Apache Flink 5. Google BigQuery 6. Apache Storm 7. Apache Kafka 8. Amazon EMR 9. Microsoft Azure HDInsight 10. Cloudera CDH 11. Hortonworks Data Platform 12. MapR 13. Snowflake 14. Presto 15. Apache Ignite 16. Elasticsearch 17. Druid 18. HBase 19. Apache Samza 20. Apache Beam