The Best Av8n Alternatives in 2026

EMRap provides medical education resources including courses, procedures, imaging, and videos.

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

This project documents an amateur-built liquid-fueled rocket engine and flight vehicle, including engine project pages.

PicaSim provides information, media, and downloads for a radio-controlled flight simulator.

RocketPy provides software and information for rocket flight simulation.

This OSINT Tips article explains how to investigate the source code of a website.

An interactive introduction explains what Fourier transforms do, where they are useful, and how they can create visual patterns.

This book explains how to build and manage a successful organization for data science work.

This guide explains data science careers, including common degrees and skills.

Humanity's Last Machine explains humanoid robotics hardware and related technologies in an illustrated article.

Consult GNOME Human Interface Guidelines for design principles, app naming, icons, navigation, and interface styling.

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

PicaSim simulates flight for radio-controlled aircraft, with gliders and other aircraft types listed among its repository topics.

MathNet lets users browse and search more than 30,000 Olympiad-level problems from 47 countries in 17 languages.

FlowingData publishes articles, projects, and learning resources about data visualization and statistics.

Passmedicine offers online revision for the 2026 UCAT, with resources for exam preparation.

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

ThrustCurve provides model and high-power hobby rocket motor data, including manufacturer specifications and certified performance.

IBM SkillsBuild provides free AI and technology teaching resources, including lesson plans, educator training, and toolkits.

OneZoom lets visitors browse an interactive tree of life, with suggested starting points for groups of organisms.

The Wikispecies project lets visitors browse and contribute information about species through its online reference pages.

Periodic Table App lets users search chemical elements and view properties in an interactive periodic table.

Outerzone lets visitors search and browse plans for model aircraft, including its catalog of more than 16,000 plans.

Sectional Anatomy presents CT and MRI sectional anatomy resources for body regions including chest, abdomen, head, and wrist.