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The National Center for Education Statistics is the federal statistical agency that collects, analyzes and reports data on the condition of U.S. education, from early childhood to adult education. It publishes indicators and reports on education developments and trends, and conducts surveys and programs including the Common Core of Data and the Early Childhood Longitudinal Study.
The National Microbiome Data Collaborative is a Department of Energy program providing data infrastructure for microbiome science, including a Submission Portal, Data Portal and API. It offers community-driven data standards with expert curation and standardized bioinformatics workflows. The program is concluding, with core functionalities merging into DOE-BRIDGE; generated data will remain available through that infrastructure.
Netron is a viewer for neural network, deep learning and machine learning models. It supports formats including ONNX, TensorFlow Lite, PyTorch, TensorFlow, Core ML, OpenVINO, Keras, Caffe, Darknet, Safetensors and NumPy. It is available as a browser version and installers for macOS, Linux and Windows, plus a Python package. Experimental support exists for MLIR, JAX, GGUF and other formats.
Neural Networks and Deep Learning is a free online book by Michael Nielsen. It teaches core concepts of neural networks and deep learning, covering handwriting recognition, backpropagation, and improving how neural networks learn. The work is licensed for copying and sharing but not for selling.
Niagara Launcher is a minimalist, ad-free Android launcher designed to declutter home screens, reduce distractions, and keep core features within one-handed reach. It offers simple customization options and one-tap theme application.
NoteKnight is an online flashcard and study platform for creating, organizing, and studying flashcards via a web browser. Core features including flashcard creation, active recall-focused study modes, and public set browsing are free, with free plan limits on AI tools and image uploads. Users can import Quizlet flashcards, share set links, and print sets. A paid NOBLE subscription offers ad-free access, unlimited AI tools, image uploads, and focus mode, with no dedicated mobile app available.
NumPy is a Python library providing a multidimensional array object and routines for fast operations on arrays, including mathematical, logical, sorting, Fourier transforms, linear algebra and random simulation. It is open source under a BSD license and is described as the fundamental package for scientific computing in Python, with core code written in optimized C.
Obsidian Mobile is a free mobile app for iOS and Android that brings Obsidian's desktop features to phones and tablets. It includes tabs, a command palette, plugins and custom hotkeys, and core plugins such as graph view work the same as on desktop. A customizable toolbar and touch-friendly gestures are included.
Open Directory Downloader indexes open directory listings across more than 130 supported formats, including FTP, Google Drive, AList, and GoIndex. It is written in C# with .NET (Core) and is cross-platform. Downloading is not yet implemented, but the resulting file can be used with tools such as wget or aria2c.
Open RAG Eval is an open-source Python evaluation toolkit for Retrieval-Augmented Generation pipelines. It provides TREC-RAG evaluation metrics and a modular design for custom metrics and connectors, with core metrics that do not require golden chunks or golden answers.
This GitHub repository contains an open solution for the Kaggle Toxic Comment Classification Challenge. It includes starter code for the challenge, documents the project's core idea, notes ensemble prediction capabilities, includes a disclaimer, and accepts community contributions.
OpenFOAM is free, open source computational fluid dynamics software written in C++, owned by the OpenFOAM Foundation and distributed under the General Public Licence. It calculates fluid motion and forces, heat transfer, thermodynamics and chemistry in fluids and solids. It is produced by the core maintenance team at CFD Direct and is used in industry, government research and academia.
Apache OpenNLP is a machine learning based toolkit for the processing of natural language text. It supports tasks such as sentence segmentation, tokenization, lemmatization, part-of-speech tagging, named entity extraction, chunking, parsing, language detection and coreference resolution. The project is developed by volunteers and welcomes contributions, from small documentation fixes to new components.
ParkControl is free Windows software that displays and adjusts CPU core parking settings in real time. It includes power automation features and offers a Pro version with additional capabilities. The tool allows users to manage processor scheduling and restore defaults.
pgvecto.rs is an open-source tool that provides scalable, low-latency, hybrid-enabled vector search for PostgreSQL. It is designed to enhance vector search capabilities without modifying the core database system, per its official GitHub repository.
PHPCRM is a web-based customer relationship management software built with PHP that helps businesses manage customer interactions, leads and sales pipelines. It is offered in two editions: PHPCRM Open-Source, free and self-hosted, and PHPCRM Cloud, a premium fully hosted edition. Core features include lead management, customer relationship management, proposals and estimates, invoicing and billing, inventory, tax, staff and user management, internal messaging and reporting.
pigz is a parallel implementation of gzip for multi-processor, multi-core machines. It is a fully functional replacement for gzip that exploits multiple processors and cores when compressing data. It was written by Mark Adler and uses the zlib and pthread libraries.
The Pittsburgh Queer History Project (PQHP) is an oral history and media initiative founded in 2012 that focuses on LGBTQ after-hours nightlife in Pittsburgh, Pennsylvania between 1960 and 1990. Its core program is Miss 89 (MS89), a series of in-person intergenerational media archive events featuring rare film screenings and other activities to support collective, cross-generational memory sharing. The project also hosts public events.
Piwigo is open source photo library and digital asset management software for managing, sharing and organizing photos and videos. It is offered as Piwigo Cloud, hosted in France, or as a self-hosted installation on the user's own infrastructure. Both versions share the same open source core and offer API access. Users can import media from multiple sources, organize it with albums, sub-albums, tags and metadata, and grant upload rights to third parties.
The MDM-Portal is a meta-data registry for creating, analyzing, sharing and reusing medical forms. It serves as infrastructure for academic non-commercial medical research and provides core data sets, common data elements, data standards, code lists and value sets. Researchers can view, discuss, download and export forms in formats including PDF, CSV, Excel, SQL, SPSS and R.
Progress is a small C command that looks for coreutils basic commands such as cp, mv, dd, tar, gzip and cat running on the system and displays the percentage of copied data. It can also show estimated time and throughput and provides a top-like monitoring mode. It works on Linux, FreeBSD and macOS.
A general-purpose network embedding framework: pair-wise representations optimization Network Edit.
✨ Make Live Pure Again
pwn.college is an education platform where learners develop and practice core cybersecurity skills in a hands-on fashion. It is maintained by a team of hackers at Arizona State University and powers much of ASU's cybersecurity curriculum. The platform is open and free to participants worldwide.
