Topics / #olap
Olap projects on GitHub
Analytical databases optimized for fast queries over large columnar datasets.
As of , the most-starred Olap projects on GitHub are ClickHouse (50.5K stars), duckdb (42.2K stars) and doris (16.1K stars). GitHub.Locker tracks 9 Olap repositories with 164.2K stars combined. The fastest-growing on October 16 was duckdb, with +23 stars in a day.
Hot right now
Most stars gained in a day · Oct 16
duckdb
duckdb/duckdb · ★ 42.2KDuckDB is a high-performance analytical SQL database system, designed to be fast, reliable, portable and easy to use, with a rich SQL dialect that goes far beyond basic SQL.
+12ClickHouse
ClickHouse/ClickHouse · ★ 50.5KClickHouse is an open-source column-oriented database management system for generating analytical data reports in real time.
+6pgrust
malisper/pgrust · ★ 5.3Kpgrust is a from-scratch reimplementation of PostgreSQL in Rust, built to be wire- and SQL-dialect compatible with Postgres while being faster than both Postgres and ClickHouse.
+5trino
trinodb/trino · ★ 13.3KTrino is a fast distributed SQL query engine for big data analytics — you run it as a server (or cluster) and query large datasets with standard SQL. It was formerly known as PrestoSQL.
The all-time top
9 projects · by stars
- 50.5K
#1 · ClickHouse/ClickHouseClickHouse
ClickHouse is an open-source column-oriented database management system for generating analytical data reports in real time.
- 42.2K
#2 · duckdb/duckdb
duckdb
DuckDB is a high-performance analytical SQL database system, designed to be fast, reliable, portable and easy to use, with a rich SQL dialect that goes far beyond basic SQL.
- 16.1K
#3 · apache/dorisdoris
Apache Doris is an open-source, real-time analytics and search database built on MPP architecture. It serves fast SQL analytics, lakehouse query acceleration, and hybrid search across structured, text, and vector data.
- 4

druid
14.1Kapache/druid · JavaApache Druid is a high-performance real-time analytics database built to reduce the time between data arriving and being queryable, so dashboards and ad-hoc queries stay fast even under high concurrency.
- 5

trino
13.3Ktrinodb/trino · JavaTrino is a fast distributed SQL query engine for big data analytics — you run it as a server (or cluster) and query large datasets with standard SQL. It was formerly known as PrestoSQL.
- 6

starrocks
12.2KStarRocks/starrocks · JavaStarRocks is an open-source, high-performance query engine for sub-second, ad-hoc analytics on data warehouses and data lakes, built as a Linux Foundation project.
- 7
oceanbase
10.3Koceanbase/oceanbase · C++OceanBase Database is a distributed relational database developed entirely by Ant Group. It runs on a cluster of commodity servers and uses Paxos to provide high availability and linear scalability.
- 8

pgrust
5.3Kmalisper/pgrust · Rustpgrust is a from-scratch reimplementation of PostgreSQL in Rust, built to be wire- and SQL-dialect compatible with Postgres while being faster than both Postgres and ClickHouse.
- 9

walshadow
242ClickHouse/walshadow · Rustwalshadow replicates PostgreSQL rows into ClickHouse by reading the physical WAL — initial load, continuous changes, schema evolution, restarts, and planned source switchover are all part of the flow.
Related topics
Often tagged together