1
Half Cat Rocketry
halfcatrocketry.comAlso covers technology · same kind of website
Half Cat Rocketry shares open-source liquid rocket motor information and resources for amateur rocketry.
Alternatives
The Best Ye Olde Rocket Forum Alternatives in 2026
24 alternatives3 free · 3 open source
Looking for something like Ye Olde Rocket Forum? 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 and 3 are open source.
About Ye Olde Rocket Forumoldrocketforum.com
VisitYe Olde Rocket Forum hosts discussions and recent activity about rocketry.
Top picks at a glance
First suggestionHalf Cat RocketryHalf Cat Rocketry shares open-source liquid rocket motor…Free or freemium optionOpenRocketOpenRocket is model rocket simulation software with a…Open source optionopenMotoropenMotor simulates internal rocket motor ballistics…Another optionNARThe National Association of Rocketry provides information…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Half Cat Rocketry | — | Not stated | Web |
| 2 | NAR | — | Not stated | Web |
| 3 | Terence Tao Research | — | Not stated | Web |
| 4 | Wiki | — | Not stated | Web |
| 5 | ThrustCurve | — | Not stated | Web |
| 6 | OpenRocket | Free | Not stated | Linux, macOS, Web |
| 7 | Robert’s Rocket Project | — | Not stated | Web |
| 8 | V2Rocket | — | Not stated | Web |
| 9 | Nakka Rocketry | — | Not stated | Web |
| 10 | Hot Nozzle Society | — | Not stated | Web |
All Ye Olde Rocket Forum alternatives
2
NAR
nar.orgAlso covers technology · same kind of website
The National Association of Rocketry provides information and resources for hobby rocket enthusiasts.
3
Terence Tao Research
terrytao.wordpress.comAlso covers technology · same kind of website
Terence Tao shares research updates, expository papers, open problem discussions, and other mathematics topics on this page.
4
Wiki
wiki.openrocket.infoAlso covers technology · same kind of website
The OpenRocket wiki provides collaboratively written documentation for the open-source model rocket simulator.
5
ThrustCurve
thrustcurve.orgAlso covers technology · same kind of website
ThrustCurve provides model and high-power hobby rocket motor data, including manufacturer specifications and certified performance.
6
Also covers technology · same kind of website · free
OpenRocket is model rocket simulation software with a download and information about supported operating systems.
7
Robert’s Rocket Project
watzlavick.com/robert/rocketAlso covers technology · same kind of website
This project documents an amateur-built liquid-fueled rocket engine and flight vehicle, including engine project pages.
8
V2Rocket
v2rocket.comAlso covers technology · same kind of website
V2Rocket provides experimental rocketry updates and a way for visitors to send comments and questions.
9
Nakka Rocketry
nakka-rocketry.netAlso covers technology · same kind of website
Richard Nakka's Experimental Rocketry site shares updates and technical resources about experimental rocketry.
10
Hot Nozzle Society
hotnozzlesociety.orgAlso covers technology · same kind of website
Hot Nozzle Society shares information about its rocketry community and a July gathering.
11
JCRocket
jcrocket.comAlso covers technology · same kind of website
John Coker shares information about model and high-power rocketry through his rocketry site.
12
Jacobs Rocketry
jacobsrocketry.comAlso covers technology · same kind of website
Jacobs Rocketry documents experimental rocketry using sugar propellant.
13
RocketPy
docs.rocketpy.orgAlso covers technology · same kind of website
RocketPy provides software and information for rocket flight simulation.
14
Tripoli Rocketry
tripoli.orgAlso covers technology · same kind of website
Tripoli Rocketry shares information about rocketry and activities in its community.
15
Also covers technology · open source
openMotor simulates internal rocket motor ballistics, estimating chamber pressure and thrust from propellant, grain geometry, and nozzle details.
16
Also covers technology · open source
This repository contains code for the ThrustCurve.org site, which began as a collection of simulator files based on actual rocket motor firing data.
17
Also covers technology · open source
RocketPy describes itself as a six-degree-of-freedom trajectory simulator for high-power rocketry.
18
Openrocket
github.com/openrocket/openrocketAlso covers technology
OpenRocket provides aerodynamics and trajectory simulation software for model rocketry.
19
Also covers technology · same kind of website · free
MathNet lets users browse and search more than 30,000 Olympiad-level problems from 47 countries in 17 languages.
20
EMRap
emrap.org/hdAlso covers technology · same kind of website
EMRap provides medical education resources including courses, procedures, imaging, and videos.
21
FlowingData
flowingdata.comAlso covers technology · same kind of website
FlowingData publishes articles, projects, and learning resources about data visualization and statistics.
22
Also covers technology · same kind of website · free
Passmedicine offers online revision for the 2026 UCAT, with resources for exam preparation.
23
Data Science Course By IBM
skillsbuild.org/students/course-catalog/data-s…Also covers technology · same kind of website
IBM SkillsBuild provides free AI and technology teaching resources, including lesson plans, educator training, and toolkits.
24
OneZoom
onezoom.orgAlso covers technology · same kind of website
OneZoom lets visitors browse an interactive tree of life, with suggested starting points for groups of organisms.
No alternatives match this filter.
Alternatives to similar tools
MathNet24 alternativesPassmedicine24 alternativesOneZoom24 alternativesWiki24 alternativesEMRap24 alternativesThrustCurve24 alternatives
What is the best alternative to Ye Olde Rocket Forum?
Based on features, tags and platforms, the closest alternatives to Ye Olde Rocket Forum are Half Cat Rocketry, NAR, and Terence Tao Research.
Is there a free alternative to Ye Olde Rocket Forum?
Yes. OpenRocket, MathNet, and Passmedicine are free or offer a free plan.
Are there open-source alternatives to Ye Olde Rocket Forum?
Yes: openMotor, Thrustcurve3, and Rocket Py.
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