The Best Gnome Alternatives in 2026

The Engineering Toolbox offers tools and information for engineering and design.

Read KDE Human Interface Guidelines, with sections on design, formatting, and documentation practices.

Apple Human Interface Guidelines provides design guidance and best practices for experiences across Apple platforms.

The OpenRocket wiki provides collaboratively written documentation for the open-source model rocket simulator.

Find programming commands and syntax quickly with SpeedSheet, a set of interactive cheat sheets.

fast.ai shares lessons and resources focused on making deep learning more accessible to learners.

Use Bulletproof React’s documented architecture as a guide for building scalable React applications.

Microsoft Learn outlines design guidelines and interface examples for Windows applications.

Siah’s research blog includes writing on data science principles and the experience of PhD study.

Apply practical universal design approaches, including semantic HTML, to make websites and apps accessible.

Av8n explains perceptions, procedures and principles of flight through 20 chapters and more than 200 illustrations.

Ptable presents element names and electron information in an interactive periodic table.

Periodic-table.org presents the elements in a tabular format with details such as names and discovery information.

Consult the NGINX Admin’s Handbook for guidance on improving server performance and security.

SimFlow is a graphical interface for OpenFOAM with a computational fluid dynamics workflow from meshing onward.

Explore detailed 3D illustrations across twelve human anatomy systems, from skeletal and muscular to nervous and digestive.

Frink’s web interface accepts Frink expressions for lookup and calculation, with links to documentation, examples, and related tools.

BioDigital Human visualizes the human body through a virtual 3D model.

KiCad is open-source software for drawing electronic schematics, designing printed circuit boards and viewing them in 3D.

LibrePCB supports drawing schematics and designing printed circuit boards through an EDA application, with release updates on its site.

AerospaceWeb publishes reference material on aviation, space, design and engineering.

EasyEDA supports circuit design, simulation, and PCB layout through an online electronic design environment.

SKiDL uses Python to design electronic circuits, with KiCad and schematics among the repository's listed topics.

The Hugging Face LLM Course teaches large language model concepts through documentation and related learning resources.