1
Also covers technology · free
OpenRocket is model rocket simulation software with a download and information about supported operating systems.
Alternatives
The Best Openrocket Alternatives in 2026
24 alternatives1 free · 4 open source
Looking for something like Openrocket? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 4 are open source.
About Openrocketgithub.com/openrocket/openrocket
VisitOpenRocket provides aerodynamics and trajectory simulation software for model rocketry.
Top picks at a glance
First suggestionOpenRocketOpenRocket is model rocket simulation software with a…Open source optionRocket PyRocketPy describes itself as a six-degree-of-freedom…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | OpenRocket | Free | Not stated | Linux, macOS, Web |
| 2 | Rocket Py | — | Yes | — |
| 3 | Wiki | — | Not stated | Web |
| 4 | JCRocket | — | Not stated | Web |
| 5 | UIUC Applied Aerodynamics Group | — | Not stated | Web |
| 6 | RCPlanes Online | — | Not stated | Web |
| 7 | IMS | — | Not stated | — |
| 8 | Simuwaerm | — | Yes | macOS, Windows |
| 9 | opensource | — | Yes | — |
| 10 | Hugging Face Diffusion Models Course | — | Yes | — |
All Openrocket alternatives
2
Also covers technology · same kind of open-source project · open source
RocketPy describes itself as a six-degree-of-freedom trajectory simulator for high-power rocketry.
3
Wiki
wiki.openrocket.infoAlso covers technology
The OpenRocket wiki provides collaboratively written documentation for the open-source model rocket simulator.
4
JCRocket
jcrocket.comAlso covers technology
John Coker shares information about model and high-power rocketry through his rocketry site.
5
UIUC Applied Aerodynamics Group
m-selig.ae.illinois.edu/ads.htmlAlso covers technology
The UIUC Airfoil Data Site provides airfoil information from the Applied Aerodynamics Group.
6
RCPlanes Online
rcplanes.onlineAlso covers technology
RCPlanes Online offers a beginner's guide to basic aerodynamics and information for radio-controlled aircraft hobbyists.
7
IMS
github.com/OpenIntroStat/imsAlso covers technology · same kind of open-source project
Introduction to Modern Statistics is an open college-level textbook covering multivariable relationships and simulation-based inference.
8
Also covers technology · same kind of open-source project · open source
In Simuwaerm, a fixed border surrounds tiles that simulate a conductive plate, forming a heat simulation written in Rust.
9
Also covers technology · same kind of open-source project · open source
This interactive visualization teaches how transformer language models work.
10
Also covers technology · same kind of open-source project · open source
The Hugging Face Diffusion Models Course provides course materials for studying diffusion theory and image generation.
11
ChemOCR
github.com/kunal1320k/ChemOCRAlso covers technology · same kind of open-source project
ChemOCR uses a lightweight model to recognize chemical structures from images and convert them into other formats.
12
Half Cat Rocketry
halfcatrocketry.comAlso covers technology
Half Cat Rocketry shares open-source liquid rocket motor information and resources for amateur rocketry.
13
V2Rocket
v2rocket.comAlso covers technology
V2Rocket provides experimental rocketry updates and a way for visitors to send comments and questions.
14
Nakka Rocketry
nakka-rocketry.netAlso covers technology
Richard Nakka's Experimental Rocketry site shares updates and technical resources about experimental rocketry.
15
Hot Nozzle Society
hotnozzlesociety.orgAlso covers technology
Hot Nozzle Society shares information about its rocketry community and a July gathering.
16
Jacobs Rocketry
jacobsrocketry.comAlso covers technology
Jacobs Rocketry documents experimental rocketry using sugar propellant.
17
OpenFOAM
openfoam.comAlso covers technology
OpenFOAM is open-source computational fluid dynamics software, with downloads and documentation for simulation workflows.
18
RocketPy
docs.rocketpy.orgAlso covers technology
RocketPy provides software and information for rocket flight simulation.
19
Ye Olde Rocket Forum
oldrocketforum.comAlso covers technology
Ye Olde Rocket Forum hosts discussions and recent activity about rocketry.
20
NAR
nar.orgAlso covers technology
The National Association of Rocketry provides information and resources for hobby rocket enthusiasts.
21
Tripoli Rocketry
tripoli.orgAlso covers technology
Tripoli Rocketry shares information about rocketry and activities in its community.
22
LAMMPS
lammps.orgAlso covers technology
The LAMMPS software simulates classical molecular dynamics, with a focus on materials modeling.
23
CFDTool
cfdtool.comAlso covers technology
CFDTool provides a computational fluid dynamics toolbox for running simulations.
24
SimScale
simscale.comAlso covers technology
SimScale provides cloud engineering simulation tools and information about its simulation workflows.
No alternatives match this filter.
Alternatives to similar tools
Wiki24 alternativesHugging Face Diffusion Models Course24 alternativesopensource24 alternativesHot Nozzle Society24 alternativesCFDTool24 alternativesSimScale24 alternatives
What is the best alternative to Openrocket?
Based on features, tags and platforms, the closest alternatives to Openrocket are OpenRocket, Rocket Py, and Wiki.
Is there a free alternative to Openrocket?
Yes. OpenRocket is free or offer a free plan.
Are there open-source alternatives to Openrocket?
Yes: Rocket Py, Simuwaerm, opensource, and Hugging Face Diffusion Models Course.
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