1.duckdb / duckdb
DuckDB is a high-performance analytical database system
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45 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
DuckDB is a high-performance analytical database system
ClickHouse® is a real-time analytics database management system
A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.
Open3D: A Modern Library for 3D Data Processing
The Time Series Visualization Tool that you deserve.
OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.
A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.
QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.
KTH Algorithm Competition Template Library (... eller KTHs AC-tillverkande lapp)
Immediate Mode Plotting
cuDF - GPU DataFrame Library
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.
A toolkit for making real world machine learning and data analysis applications in C++
Instant Kubernetes-Native Application Observability
A Modular Optimization framework for Localization and mApping (MOLA)
Matplot++: A C++ Graphics Library for Data Visualization 📊🗾
Lightweight and modular C++11 graphics middleware for games and data visualization
Immediate Mode 3D Plotting
A modern C++ CSV parser and serializer that doesn't make you choose between ease of use or performance.
C++ tensors with broadcasting and lazy computing
The Universal Storage Engine
SimpleITK: a layer built on top of the Insight Toolkit (ITK), intended to simplify and facilitate ITK's use in rapid prototyping, education and interpreted languages.
Desbordante is a high-performance data profiler that is capable of discovering many different patterns in data using various algorithms. It also allows to run data cleaning scenarios using these algorithms. Desbordante has a console version and an easy-to-use web application.
C++ implementation of the Python Numpy library
Jupyter kernel for the C++ programming language
Shōgun
Multi-Modal Database replacing MongoDB, Neo4J, and Elastic with 1 faster ACID solution, with NetworkX and Pandas interfaces, and bindings for C 99, C++ 17, Python 3, Java, GoLang 🗄️
Plotly for C++. A C++ interface to the Plotly.js figure spec, for creating interactive data visualizations.
TTK - Topological Data Analysis and Visualization - Source Code
Practical volume computation and sampling in high dimensions
C++ modules for plotting, graphing and data visualization
Binary data analysis and visualization tool
High performance, easy-to-use, and scalable machine learning (ML) package, including linear model (LR), factorization machines (FM), and field-aware factorization machines (FFM) for Python and CLI interface.
GridDB is a next-generation open source database that makes time series IoT and big data fast,and easy.
oneAPI Data Analytics Library (oneDAL)
Connect to ODBC databases (using the DBI interface)
The Point Processing Toolkit (pptk) is a Python package for visualizing and processing 2-d/3-d point clouds.
Beringei is a high performance, in-memory storage engine for time series data.
Fast and Portable Character String Processing in R (with the Unicode ICU)
Simple C++ InfluxDB client via MS C++ REST SDK + RxCpp for batching (Windows/OSX/Linux) + a C wrapper
Fast reading of delimited files
A library to create charts in wxWidgets applications
Time-series database
C++ backend for Jupyter interactive widgets