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Open Source Projects tagged "Olap"

A curated collection of the best open source projects tagged "Olap". Each listing includes a website screenshot along with a detailed review of its features.

ClickHouse

Lightning-fast analytics for massive datasets

  • Stars

    50,677

  • Last commit

    3 hours ago

  • License

    Apache-2.0
High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.

Open Source Alternative to:

Snowflake

QuestDB

High-performance time-series database for massive data scale

  • Stars

    17,486

  • Last commit

    3 hours ago

  • License

    Apache-2.0
Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any hardware scale.

Open Source Alternative to:

InfluxDB

Apache Druid

Real-time analytics database for sub-second OLAP queries

  • Stars

    14,091

  • Last commit

    3 hours ago

  • License

    Apache-2.0
Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response times.

Open Source Alternative to:

Snowflake

OceanBase

High-performance distributed database for all workloads

  • Stars

    10,358

  • Last commit

    22 hours ago

  • License

    Apache-2.0
Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.

Open Source Alternative to:

MongoDB

Databend

Cloud-native data warehouse for lightning-fast analytics

  • Stars

    9,488

  • Last commit

    4 hours ago

  • License

    Apache-2.0
Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.

Open Source Alternative to:

Snowflake

Apache Pinot

Distributed OLAP database for real-time analytics at scale

  • Stars

    6,169

  • Last commit

    3 hours ago

  • License

    Apache-2.0
Sub-second SQL queries on fresh streaming data at petabyte scale, built for high-concurrency user-facing apps and AI agent backends.

Open Source Alternative to:

Splunk

CrateDB

Scalable SQL database for real-time analytics

  • Stars

    4,449

  • Last commit

    17 hours ago

  • License

    Apache-2.0
Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.

Open Source Alternative to:

Snowflake

Apache Cloudberry

Unlock Data's Potential with Open Source Power

  • Stars

    1,438

  • Last commit

    3 hours ago

  • License

    Apache-2.0
Leverage advanced analytics with a modern PostgreSQL kernel. 100% open source for robust data solutions.

Open Source Alternative to:

Snowflake
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