Skip to content

GitHub Copilot
Write better code with AI

GitHub Spark New
Build and deploy intelligent apps

GitHub Models New
Manage and compare prompts

GitHub Advanced Security
Find and fix vulnerabilities

Actions
Automate any workflow
Codespaces
Instant dev environments

Issues
Plan and track work

Code Review
Manage code changes

Discussions
Collaborate outside of code

Code Search
Find more, search less
Explore

Why GitHub

Documentation

GitHub Skills

Blog
Integrations

GitHub Marketplace

MCP Registry
View all features
By company size

Enterprises

Small and medium teams

Startups

Nonprofits
By use case

App Modernization

DevSecOps

DevOps

CI/CD

View all use cases
By industry

Healthcare

Financial services

Manufacturing

Government

View all industries
View all solutions
Topics

AI

DevOps

Security

Software Development

View all
Explore

Learning Pathways

Events & Webinars

Ebooks & Whitepapers

Customer Stories

Partners

Executive Insights
GitHub Sponsors
Fund open source developers
The ReadME Project
GitHub community articles
Repositories

Topics

Trending

Collections
Enterprise platform
AI-powered developer platform
Available add-ons

GitHub Advanced Security
Enterprise-grade security features

Copilot for business
Enterprise-grade AI features

Premium Support
Enterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Sign in

Sign up

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

NJOY

NJOY Nuclear Data Processing Code

51 followers
Los Alamos, NM
https://www.njoy21.io
njoy@lanl.gov

Overview
Repositories
Projects
Packages
People

More

Overview
Repositories
Projects
Packages
People

Pinned Loading

NJOY2016 NJOY2016 Public

Nuclear data processing with legacy NJOY

Fortran 122 99
NJOY2016-manual NJOY2016-manual Public

Users manual for NJOY2016

TeX 8 7

Repositories

Loading

Type

Select type

All Public Sources Forks Archived Mirrors Templates

Language

Select language

All C++ CMake CSS Fortran JavaScript Jupyter Notebook Python SCSS TeX

Sort

Select order

Last updated Name Stars

Showing 10 of 56 repositories

eigen Public

njoy/eigen’s past year of commit activity

C++ 0 MPL-2.0 0 0 0 Updated Dec 5, 2025
dryad Public

njoy/dryad’s past year of commit activity

CMake 3 1 0 0 Updated Nov 27, 2025
ENDFtk Public
Toolkit for reading and interacting with ENDF-6 formatted files

njoy/ENDFtk’s past year of commit activity

C++ 40 11 14 2 Updated Nov 17, 2025
NDItk Public
A toolkit for reading and writing NDI formatted files.

njoy/NDItk’s past year of commit activity

CMake 1 1 0 0 Updated Oct 29, 2025
tools Public
Common tools used in njoy libraries

njoy/tools’s past year of commit activity

C++ 3 5 1 0 Updated Oct 28, 2025
scion Public

njoy/scion’s past year of commit activity

CMake 1 1 1 0 Updated Oct 24, 2025
ACEtk Public
Toolkit for working with ACE-formatted data files

njoy/ACEtk’s past year of commit activity

C++ 30 11 8 0 Updated Sep 3, 2025
NJOY2016 Public
Nuclear data processing with legacy NJOY

njoy/NJOY2016’s past year of commit activity

Fortran 122 99 76 17 Updated Aug 27, 2025
GNDStk Public
Generalized Nuclear Data Structure toolkit

njoy/GNDStk’s past year of commit activity

C++ 2 1 3 36 Updated Mar 12, 2025
resonanceReconstruction Public

njoy/resonanceReconstruction’s past year of commit activity

C++ 2 1 2 1 Updated Jun 21, 2024