Saiku

Judgement

What it is

Complete system

What it does

An OLAP semantic layer and browser analysis tool on Mondrian and Calcite, serving the same cubes to Excel through XMLA, to dashboards and to AI agents through MCP.

Adopt it when

Your organisation uses OLAP cubes and wants Excel pivot access plus a web front end.

Watch out

OLAP and MDX skills are increasingly rare, and the project has had quiet periods.

Ready for

Usable

Runs as

Self-hosted server

Built with

Java, Mondrian, Apache Calcite, TypeScript and Svelte

How established

Established: started 15 years ago, latest release v4.8.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Saiku → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to Saiku

1. 1
   Superset apache

   Apache Superset is a Data Visualization and Data Exploration Platform

   Complete system Production-ready A data team wants a free, scalable BI tool and has engineers to deploy and maintain it.

   ★ 75k Apache-2.0 Python Active, pushed 2 days ago
2. 2
   Metabase metabase

   The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:

   Complete system Production-ready A small or mid-size company wants self-serve reporting that non-analysts can use quickly.

   ★ 50k See repository Clojure Active, pushed 2 days ago
3. 3
   Redash getredash

   Make Your Company Data Driven. Connect to any data source, easily visualize, dashboard and share your data.

   Complete system Production-ready Your analysts work in SQL and want a simple query-and-dashboard tool.

   ★ 29k BSD-2-Clause TypeScript Active, pushed today
4. 4
   JimuReport jeecgboot

   一款真正的 AI 报表诞生了！JimuChatBI —— 首款免费开源对话式智能数据分析产品（Chat2BI）。 一句话生成报表和数据大屏，支持对话式 AI 修改优化；类 Excel 在线报表设计，兼容国产信创数据源。 对着 AI 说句话，报表就出来了——表格、图表、分组汇总自动生成，复杂报表场景轻松应对。想做数据大屏？同样一句话搞定，让数据分析进入 AI 时代。

   Complete system Production-ready A Chinese business wants a free FineReport-style tool for complex printed reports.

   ★ 8.6k GPL-3.0 Java Active, pushed yesterday
5. 5
   Evidence evidence-dev

   Business intelligence as code: build fast, interactive data visualizations in SQL and markdown

   Framework or platform Usable Analytics engineers want version-controlled reports that live in git instead of a drag-and-drop BI tool.

   ★ 7.1k MIT TypeScript Active, pushed 2 days ago
6. 6
   Blazer ankane

   Business intelligence made simple

   Integration Production-ready Your product is a Rails app and you want internal SQL reporting with no extra service.

   ★ 4.8k MIT Ruby Active, pushed 14 days ago
7. 7
   Graphic Walker Kanaries

   An open source alternative to Tableau. Embeddable visual analytic

   Building block Usable You want to add exploratory charting to your own app or notebook.

   ★ 3.3k Apache-2.0 TypeScript Active, pushed 20 days ago
8. 8
   CBoard TuiQiao

   An easy to use, self-service open BI reporting and BI dashboard platform.

   Complete system Experimental Rarely; its maintainers say it has been unmaintained for a long time.

   ★ 3.1k Apache-2.0 JavaScript Active, pushed 17 days ago

Commercial business intelligence and dashboard tools

1. 1
   Microsoft Power BI Microsoft

   Microsoft Power BI is a business intelligence platform that helps you visualize data and infuse insights into your existing Microsoft 365 apps. Try it for free.

   Complete system Production-ready An organisation on Microsoft 365 wants low-cost BI that Excel users can pick up.

   2.5k readers a month Since 2011 Commercial
2. 2
   Tableau Salesforce, Inc.

   American data visualization software company

   Complete system Production-ready Analysts need flexible visual exploration and polished dashboards across many data sources.

   1.5k readers a month Since 2003 Commercial
3. 3
   Domo Domo, Inc.

   American computer software company

   Complete system Production-ready An executive team wants dashboards across many SaaS sources without a dedicated data warehouse team.

   353 readers a month Since 2010 Commercial
4. 4
   ThoughtSpot ThoughtSpot

   American developer of business intelligence software

   Complete system Production-ready You have a well-modelled warehouse and want business users to self-serve answers without building dashboards.

   323 readers a month Since 2012 Commercial
5. 5
   MicroStrategy ONE Strategy Inc

   Complete system Production-ready A large enterprise already runs MicroStrategy for governed reporting at scale.

   Commercial
6. 6
   Looker Google

   Looker is Google Cloud agentic business intelligence and embedded analytics platform. Unify metrics with a trusted semantic layer and Gemini agents.

   Complete system Production-ready A data team wants metrics defined once in code and served consistently to the business, especially on BigQuery.

   271 readers a month Commercial