The Best OpenVSP Alternatives in 2026

The ALIEN artificial life environment provides project objectives, getting-started information, and contributor guidance.

My Balsa & Glass Workshop documents scratch-built balsa radio-controlled models and workshop projects.

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

RCPlanes Online offers a beginner's guide to basic aerodynamics and information for radio-controlled aircraft hobbyists.

openMotor simulates internal rocket motor ballistics, estimating chamber pressure and thrust from propellant, grain geometry, and nozzle details.

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.

OpenRocket is model rocket simulation software with a download and information about supported operating systems.

This Unsloth guide introduces the basics and best practices of fine-tuning language models.

The Zygote Body site presents a virtual 3D anatomy atlas with model viewing, embedding, and account settings.

John Coker shares information about model and high-power rocketry through his rocketry site.

The LAMMPS software simulates classical molecular dynamics, with a focus on materials modeling.

SatModeler provides information about satellite modeling, although the fetched page contains little substantive detail; needs review.

eCalc simulates electric drives for radio-controlled models and helps users select motors and components.

OpenDroneMap processes drone imagery to generate maps, point clouds, and 3D models.

Explore a 3D periodic table in table and atomic views, with element selection opening a Bohr model visualization.

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

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

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

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

This interactive visualization teaches how transformer language models work.

The Hugging Face Diffusion Models Course provides course materials for studying diffusion theory and image generation.

ChemOCR uses a lightweight model to recognize chemical structures from images and convert them into other formats.

OpenRocket provides aerodynamics and trajectory simulation software for model rocketry.