A feature-rich weather app with good visualizations and more than 50 sources.
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Eclipse SUMO is an open source, highly portable, microscopic and continuous traffic simulation package designed to handle large networks. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation.
- traffic
- simulation
- transport
Plan, apply and roll back changes to a production ontology, with a blast radius report and a proof an auditor can re-check.
- ai-native
- description-logics
- knowledge-graph
- mcp
HyperFormula is an open-source headless spreadsheet for business web apps. It comes with over 400 formulas, CRUD operations, undo-redo, clipboard support, and sorting.
- calculation-engine
- formula
- typescript
- evaluator
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton.
- multibody-dynamics
- physics-engine
- physics-simulation
- robotics
QuTiP: Quantum Toolbox in Python
- qutip
- python
- quantum-toolbox
- quantum
Wallet UI simulation tool for BTC, ETH, SOL, XRP, and 200+ assets. Customize displayed balances in a controlled demo environment with persistent visual settings and screenshot-ready previews. Designed for testing, demonstrations, and UI prototyping without altering actual blockchain balances or transactions.
- bitcoin-transaction-tool
- browser-crypto-wallet
- crypto-broadcast-api
- electrum-payment
A unit handling library for ruby
- ruby
- unit-math
- conversions
- temperature-units
One open-source modeler for structures, heat and fluids, built from scratch in pure Rust: parametric part in, verified results out. Automatic all-hex and tet meshing, our own nonlinear implicit and explicit FEA, heat transfer and lattice Boltzmann CFD — every result checked against theory. For engineers and AI agents alike. Free, forever.
- cae
- cfd
- computational-mechanics
- explicit-dynamics
Mundo: Customized World Model
TranslatedAcademic research library for DSH — search, cite, approve imports, hand off notes. Also: a research literature library plugin for DeepSeek Harness: search papers, include sources, approve imports into the library, and hand off note leads to other plugins in the same session.
- academic
- agentero
- ai-agents
- citations
Wrapper for RDKit's RunReactants to improve stereochemistry handling
ChemML is a machine learning and informatics program suite for the chemical and materials sciences.
- quantum-mechanics
- materials-informatics
- data-science
- machine-learning
Go package for calculating the sunrise and sunset times for a given location
TransformerCPI: Improving compound–protein interaction prediction by sequence-based deep learning with self-attention mechanism and label reversal experiments(BIOINFORMATICS 2020) https://doi.org/10.1093/bioinformatics/btaa524
- self-attention
- compound-protein-interaction
- transformercpi
- structure-free-virtual-sreening
A library of mechanised undecidability proofs in the Coq proof assistant.
SIMD enhanced Array operations
A handy calculator, based on Rust and WebAssembly.
- webassembly
- calculator
- math
- rust
A powerful library extending VBA with over 100 functions for math, stats, finance, and data manipulation. It supports matrix operations, and user-defined functions, enhancing automation and analysis within Microsoft Office and LibreOffice environments for data management, financial calculations, an more.
- equation-systems
- mathematical-expression-parser
- mathematical-expressions-evaluator
- determinant-calculation
NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility
- astronomy
- astronomical-algorithms
- celestial-mechanics
- nasa
Small size matrix handling module with a few linear algebra operations specifically for MicroPython (Python3)
Decimal handling as value object instead of plain strings or floats.
Quantum randomness source using the ANU hardware QRNG
- random-number-generators
- quantum-mechanics
Hand-ported (near 1:1) V version of https://github.com/mapbox/earcut