PyPI100Exceptionalhealth index
C++★ 4,044Aug 28, 2026
Maven · PyPI99Exceptionalhealth index
C++ · Python · Cuda★ 9,726Aug 12, 2026
PyPI · crates.io · Maven +198Exceptionalhealth index

apache/foryA blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
Java · Python★ 4,519↓ 4,472/moAug 28, 2026
PyPI98Exceptionalhealth index
C++ · Python★ 869Jul 18, 2026
NuGet98Exceptionalhealth index

microsoft/microsoft-ui-xamlWinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.
C++ · C#★ 7,933Aug 28, 2026
PyPI · crates.io · npm98Exceptionalhealth index

rerun-io/rerunVisualize, query, and stream to train on multimodal robotics data.
Rust · Python★ 11.4KAug 27, 2026
Maven · RubyGems98Exceptionalhealth index
C++ · Java · C★ 3,561Jul 30, 2026
PyPI97Exceptionalhealth index

InsightSoftwareConsortium/ITKInsight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dimensions.
C++★ 1,641Aug 13, 2026
npm · PyPI97Exceptionalhealth index
C++ · Gherkin★ 8,016↓ 14.5K/moAug 28, 2026
—97Exceptionalhealth index

microsoft/WindowsAppSDKThe Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.
C++★ 4,666Aug 28, 2026
PyPI96Exceptionalhealth index
C++ · Cuda★ 2,420Jul 15, 2026
PyPI · Maven · npm96Exceptionalhealth index
Java · C++★ 195Jul 27, 2026
—96Exceptionalhealth index
C++★ 651Jul 18, 2026
crates.io · npm96Exceptionalhealth index

slint-ui/slintSlint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.
Rust · Slint★ 23.4K↓ 131.3K/moAug 5, 2026
npm · PyPI95Exceptionalhealth index
C++★ 39.9KAug 5, 2026
PyPI · npm95Exceptionalhealth index
C++ · Python★ 236↓ 101.4K/moJul 17, 2026
npm95Exceptionalhealth index
asyncapi/modelinaA library for generating typed models based on inputs such as AsyncAPI, OpenAPI, and JSON Schema documents with high customization
TypeScript★ 442↓ 648.8K/moJul 20, 2026
Maven95Exceptionalhealth index
C++★ 23.7KAug 5, 2026
PyPI95Exceptionalhealth index

google-deepmind/open_spielOpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.
C++ · Python★ 5,440Aug 28, 2026
PyPI94Exceptionalhealth index

NVIDIA/cutlassCUDA Templates and Python DSLs for High-Performance Linear Algebra
C++ · Cuda · Python★ 10.3K↓ 10.2K/moAug 28, 2026
PyPI94Exceptionalhealth index
C++ · Solidity★ 25.7KAug 13, 2026
PyPI94Exceptionalhealth index
Cython · Python★ 10.8KAug 28, 2026
—94Exceptionalhealth index
C++★ 1,757Aug 11, 2026
Maven94Exceptionalhealth index
C++★ 321Jul 17, 2026
npm · crates.io · PyPI94Exceptionalhealth index
Rust · C++★ 279↓ 208.9K/moJul 21, 2026
crates.io94Exceptionalhealth index
microsoft/regorusRegorus - A fast, lightweight Rego (OPA policy language) interpreter written in Rust.
Rust · Open Policy Agent · C★ 330↓ 224.7K/moJul 22, 2026
—93Exceptionalhealth index
C++★ 15.3KAug 5, 2026
PyPI93Exceptionalhealth index
Python★ 9,469↓ 3.8M/moAug 5, 2026
—93Exceptionalhealth index

eProsima/Fast-DDSThe most complete DDS - Proven: Plenty of success cases. Looking for commercial support? Contact info@eprosima.com
C++ · C★ 2,889Sep 1, 2026
PyPI · crates.io · npm +193Exceptionalhealth index

foxglove/mcapMCAP is a modular, performant, and serialization-agnostic container file format, useful for pub/sub and robotics applications.
Rust · Python · TypeScript★ 1,047↓ 3M/moAug 19, 2026