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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Apache Arrow
Apache Arrow is a multi-language toolbox for accelerated data interchange and in-memory processing
SQL basics
RabbitMQ
Graph: Neo4j
Materialize - The Streaming Database for Real-time Analytics
Apache Hive
Wide column: Apache Cassandra, Apache HBase
Apache Hadoop and HDFS
Apache Beam
Apache Arrow
Apache Airflow
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.