Gnome
developer.gnome.org/higConsult GNOME Human Interface Guidelines for design principles, app naming, icons, navigation, and interface styling.
Looking for something like The Engineering Toolbox? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan.
The Engineering Toolbox offers tools and information for engineering and design.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Gnome | — | Not stated | Web, Windows |
| 2 | CFDTool | — | Not stated | Web |
| 3 | MathNet | Free | Not stated | Web |
| 4 | Passmedicine | Free | Not stated | Web |
| 5 | Data Science Course By IBM | — | Not stated | Web |
| 6 | UC San Diego CG | — | Not stated | Web |
| 7 | TheAlgorithms | — | Not stated | Web |
| 8 | DermNet® | — | Not stated | Web |
| 9 | Wayne's Word | — | Not stated | Web |
| 10 | MSD Manuals | — | Not stated | Web |
Consult GNOME Human Interface Guidelines for design principles, app naming, icons, navigation, and interface styling.
CFDTool provides a computational fluid dynamics toolbox for running simulations.
MathNet lets users browse and search more than 30,000 Olympiad-level problems from 47 countries in 17 languages.
Passmedicine offers online revision for the 2026 UCAT, with resources for exam preparation.
IBM SkillsBuild provides free AI and technology teaching resources, including lesson plans, educator training, and toolkits.
The UC San Diego Practical Guide to Clinical Medicine presents a guide to clinical medicine.
Learn data structures and algorithms through open-source implementations in multiple programming languages.
DermNet provides dermatology topics, images, cases, and a skin checker for learning about skin conditions.
A natural history newsletter archive covers plants, trivia, and biology through its indexed pages.
MSD Manuals provide medical reference material in multiple versions for different audiences.
The AoPS Alcumus system provides free online mathematics learning materials from Art of Problem Solving.
Practical Deep Learning for Coders is a free course on applying deep learning and machine learning, designed for people with coding experience.
AerospaceWeb publishes reference material on aviation, space, design and engineering.
EasyEDA supports circuit design, simulation, and PCB layout through an online electronic design environment.
KiCad is open-source software for drawing electronic schematics, designing printed circuit boards and viewing them in 3D.
SimScale provides cloud engineering simulation tools and information about its simulation workflows.
CESDB lists civil engineering software for professionals and students looking for tools in the field.
Bartosz Ciechanowski publishes interactive articles about science and engineering, including a feature on the Moon.
LibreTexts Engineering collects curated texts that can be used directly or remixed into customized learning materials.
Apple Human Interface Guidelines provides design guidance and best practices for experiences across Apple platforms.
NPTEL provides online course materials, including aerospace engineering instruction.
EngineersEdge provides reference data and practical tools for engineers working across technical disciplines.
Read KDE Human Interface Guidelines, with sections on design, formatting, and documentation practices.
Apply practical universal design approaches, including semantic HTML, to make websites and apps accessible.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative