QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
Repository Index
47,133 repositories indexed
1–20 of 20 · Most stars
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
- java
- presto
- hive
- hadoop
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
OpenRefine is a free, open source power tool for working with messy data and improving it
- datacleansing
- data-analysis
- java
- opendata
Charts library for Android compatible with API 8+, several chart types with scaling, scrolling and animations 📊
Statistical Machine Intelligence & Learning Engine
- machine-learning
- regression
- clustering
- manifold-learning
AnyChart Android Chart is an amazing data visualization library for easily creating interactive charts in Android apps. It runs on API 19+ (Android 4.4) and features dozens of built-in chart types.
- android-library
- android-development
- android-ui
- android-chart
An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights.
Hopsworks - Data-Intensive AI platform with a Feature Store
- feature-store
- aws
- azure
- data-science
A scientific charting library focused on performance optimised real-time data visualisation at 25 Hz update rates for data sets with a few 10 thousand up to 5 million data points.
- chart-fx
- java
- charting-libraries
- javafx
Accumulo backed time series database
- accumulo
- series-database
- time-series
- hacktoberfest
The foundational library of the Morpheus data science framework
- datascience
- data-analysis
- data-analytics
- regression
JQuick-Pdf is an enterprise-grade Java PDF generation framework. It provides HTML-like declarative syntax and supports more than 30 kinds of graphs, greatly simplifying complex PDF report creation while retaining full native pdfbox(since version 4.0.0) APIs.
- apache-pdfbox
- charts
- data-visualization
- fonts
ASH Viewer provides a graphical view of active session history data within the Oracle and PostgreSQL DB
🔥 JMock is a high-performance data generation and simulation component library implemented in Java.
- functions
- mock
- testing-tools
- dataset
Enable Firebase Analytics for Capacitor Apps
The Mines Java Toolkit
- geophysics
- scientific-computing
- visualization
- mines-java-toolkit
Java Scientific Computing Library - Signal Processing, FFT, Filters, PSD, DCT, SciPy-like APIs for JVM & Android used in Machine Learning and Data Science.
- android
- java
- python
- scipy
Estimating the number of clusters in a data set via the gap statistic. Implemented in H2O-3
- kmeans
- kmeans-clustering
- clustering
- gap-statistic
Implementation of Partitioning Around Medoids (PAM) in H2O-3
- clustering
- machine-learning
- h2o-3
- java