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Big Ladder Software

Building Energy Simulation Tools

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  1. kiva kiva Public

    Ground heat transfer calculation tool

    C++ 26 8

  2. penumbra penumbra Public

    GPU-based shading calculation library

    C++ 8

  3. btwxt btwxt Public

    N-dimensional grid interpolation library

    C++ 21 10

  4. atom-language-energyplus atom-language-energyplus Public

    Atom language support for EnergyPlus including syntax highlighting and snippets for object autocompletion

    CoffeeScript 10 4

  5. resdx resdx Public

    A python library for modeling residential direct expansion units

    Python 10

  6. lattice lattice Public

    A framework for developing data models, including schema development and documentation.

    Python 7

Repositories

Showing 10 of 27 repositories
  • HPWHsim Public

    The HPWH simulation

    bigladder/HPWHsim’s past year of commit activity
    C++ 18 BSD-3-Clause 4 13 2 Updated Jan 9, 2026
  • btwxt Public

    N-dimensional grid interpolation library

    bigladder/btwxt’s past year of commit activity
    C++ 21 BSD-3-Clause 10 7 8 Updated Jan 9, 2026
  • courier Public

    A lightweight, header-only C++ library for use in other libraries that allows client code define how to deliver context-specific error, warning, and informational messages from a library to the client's users, and handle errors from a library when they occur.

    bigladder/courier’s past year of commit activity
    CMake 2 BSD-3-Clause 0 2 0 Updated Jan 8, 2026
  • mathgl-kiva Public
    bigladder/mathgl-kiva’s past year of commit activity
    C++ 0 GPL-3.0 0 0 0 Updated Jan 8, 2026
  • EnergyPlus Public Forked from NREL/EnergyPlus

    EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.

    bigladder/EnergyPlus’s past year of commit activity
    C++ 5 474 0 0 Updated Jan 8, 2026
  • cse-resnet-ref Public

    CSE simulation framework for RESNET acceptance criteria reference results

    bigladder/cse-resnet-ref’s past year of commit activity
    Ruby 1 0 0 1 Updated Jan 6, 2026
  • kiva Public

    Ground heat transfer calculation tool

    bigladder/kiva’s past year of commit activity
    C++ 26 BSD-3-Clause 8 11 1 Updated Jan 5, 2026
  • kiva-test-results Public
    bigladder/kiva-test-results’s past year of commit activity
    1 0 0 0 Updated Jan 4, 2026
  • resdx Public

    A python library for modeling residential direct expansion units

    bigladder/resdx’s past year of commit activity
    Python 10 BSD-3-Clause 0 0 0 Updated Jan 2, 2026
  • lattice Public

    A framework for developing data models, including schema development and documentation.

    bigladder/lattice’s past year of commit activity
    Python 7 BSD-3-Clause 0 41 0 Updated Dec 23, 2025
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