OpenReports - Powerful Reporting Solution

•    Java

OpenReports supports a variety of open source reporting engines, including JasperReports, JFreeReport, JXLS, and Eclipse BIRT, to provide support for a wide range of reporting requirements and capabilities. OpenReports also includes QueryReports and ChartReports, easy to create SQL based reports that do not require a predefined report definition. OpenReports also supports OLAP via Mondrian and JPivot.

BIRT

•    Java

BIRT is an Eclipse-based open source reporting system for web applications, especially those based on Java and J2EE. BIRT has two main components: a report designer based on Eclipse, and a runtime component that you can add to your app server. BIRT also offers a charting engine that lets you add charts to your own application.

Jasper Reports

•    Java

JasperReports is the world's most popular open source reporting engine. It is entierly written in Java and it is able to use data coming from any kind of data source and produce pixel-perfect documents that can be viewed, printed or exported in a variety of document formats including HTML, PDF, Excel, OpenOffice and Word.

just-dashboard - :bar_chart: :clipboard: Dashboards using YAML or JSON files

•    Javascript

:bar_chart: :clipboard: Dashboards using YAML or JSON files

Metabase - The simplest, fastest way to get business intelligence and analytics to everyone in your company

•    Clojure

Metabase is the easy, open source way for everyone in your company to ask questions and learn from data. Get a real-time glimpse into what your company is learning about your data. Activity helps people in your company find an answer, jump start their own exploration, or improve existing questions.

mining - Business Intelligence (BI) in Python, OLAP

•    Python

If you use Mac OSX you can install all dependencies using HomeBrew. For example, to connect to a PostgreSQL database make sure you install a driver like psycopg2. OpenMining supports all databases that the underlying ORM SQLAlchemy supports.

dbt-core - dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications

•    Python

dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications. Analysts using dbt can transform their data by simply writing select statements, while dbt handles turning these statements into tables and views in a data warehouse.

ReportServer - The Business Intelligence Suite

•    Java

ReportServer is a modern and versatile business intelligence platform. It supports Pixel-perfect reporting, Ad-hoc analyses, Excel and Word reporting, Integrates with Jasper, Eclipse Birt and Crystal report, Multidimensional OLAP analytics also integrates with Mondrian OLAP, an OLAP server written entirely in Java and optimized for performance even on large datasets. ReportServer comes with a great selection of powerful tools.

SpagoBI - Business Intelligence Suite

•    Java

SpagoBI is the only entirely open source Business Intelligence suite. It covers all the analytical areas of Business Intelligence projects, with innovative themes and engines. SpagoBI offers a wide range of entirely open source analytical tools like Reporting, OLAP, Chart, Data mining, Real-time monitoring console, ETL.

Pentaho

•    Java

Pentaho is the open source business intelligence leader. Thousands of organizations globally depend on Pentaho to make faster and better business decisions that positively impact their bottom lines. Download the Pentaho BI Suite today if you want to speed your BI development, deploy on-premise or in the cloud or cut BI licensing costs by up to 90%.

squealy - Develop APIs for Charts and Dashboards by writing SQL Queries

•    Javascript

SQueaLy is an open-source, self-deployable application for developers. It is a micro service for business intelligence and analytics which uses SQL queries to generate reporting APIs with fine-grained security. It gives you the power to analyze your organizational data in an environment that is completely owned by you. Hence, making it the most suitable solution for generating charts and reports out of sensitive data. You can provide not only chart level view permissions but also user/parameter level permissions. To make that one liner straighforward, consider the following use case.

insights - Desktop and Self-Hosted "SQL-not-required" data analytics and visualisation tool.

•    Javascript

As our education marketplace grew, we faced a dilemma: we had little visibility into our data. Questions such as "who is our best customer?", "which target countries are gaining in sales?" or "what are our most popular categories for paid leads?" required tinkering in the Rails console or writing custom stats pages. We lost a lot of developer time over the years.

data-science-career - Career Resources for Data Science, Machine Learning, Big Data and Business Analytics Career Repository

Animated Investment Management Research at Sov.ai — Sponsoring open source AI, Machine learning, and Data Science initiatives. I don't know the other areas that well, send my your thought leaders by pull request.

LightDash- Open source BI for your whole team

•    Typescript

LightDash is an open source BI for your whole team. It is an open source alternative to Looker. It helps everybody in your company to answer their own questions using data. Connect Lightdash to your dbt project, add metrics directly in your data transformation layer, then create and share your insights with your team.

Postgres-XL - Scalable Open Source PostgreSQL-based Database Cluster

•    C

Postgres-XL is a horizontally scalable open source SQL database cluster, flexible enough to handle varying database workloads like OLTP, Business Intelligence requiring MPP parallelism, Key value store, GIS Geospatial and lot more.

Tabix - SQL Editor & Open source simple business intelligence for Clickhouse.

•    Javascript

Tabix is a SQL Editor & Open source simple business intelligence for Clickhouse. No need to install, it works from the browser. It provides support to Draw charts, Maps of the world, Metrics RealTime charts from system.metrics, Displays database and tables as tree and lot more.

Apache Superset is a Data Visualization and Data Exploration Platform

•    Python

Superset is fast, lightweight, intuitive, and loaded with options that make it easy for users of all skill sets to explore and visualize their data, from simple line charts to highly detailed geospatial charts. It easily integrates your data, using either our simple no-code viz builder or state of the art SQL IDE. Superset can query data from any SQL-speaking datastore or data engine (e.g. Presto or Athena) that has a Python DB-API driver and a SQLAlchemy dialect.

Chaos Genius - ML powered analytics engine for outlier detection and root cause analysis

•    Python

Chaos Genius is an open source ML powered analytics engine for outlier detection and root cause analysis. Chaos Genius can be used to monitor and analyse high dimensionality business, data and system metrics at scale. Using Chaos Genius, users can segment large datasets by key performance metrics (e.g. Daily Active Users, Cloud Costs, Failure Rates) and important dimensions (e.g., countryID, DeviceID, ProductID, DayofWeek) across which they want to monitor and analyse the key metrics.

JMagallanes - Dynamic Reports in Java

•    Java

JMagallanes is an end user application for Olap and Dynamic Reports written in Java/J2EE. It combines static reports (based on JasperReports), a Swing pivot table for OLAP analysis, and charts (based on JFreeChart). It reads from many data sources as SQL, Excel, XML, and others, and produces many outputs as PDF, XML, and application specific files for later off-line visualization of reports.

MLCraft - Low-code business intelligence tool and a data science workflow

•    Javascript

MLCraft is an open-source low-code business intelligence tool and a data science workflow. MLCraft was designed to query the data from several data warehouses and run machine learning experiments. Cube.js is used as a primary query layer and makes it suitable for handling trillions of data points. It is a full-stack data science platform that provides everything you need to build, manage and automate machine learning