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OpenRocket

COLLECTIVE
Fiscal Host: Open Source Collective

Develops a no-cost open source fully-featured model rocket simulator for public, educational and nonprofit youth association use, with developers and users around the globe.

This is OpenRocket's pageOpenRocket
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About

Contribute

Become a financial contributor.

Financial Contributions

Custom contribution
Donation
Make a custom one-time or recurring contribution.

Latest activity by

+ 47
Membership
Backer

Join us for $5.00 per year and support us

Starts at
$5 USD / year

Latest activity by

+ 6

Top financial contributors

1
Nick Estes

$185 USD since Sep 2022

2
MetricRocketeer

$160 USD since Oct 2022

3
bad_idea

$105 USD since Oct 2022

4
Kevin McGee

$100 USD since Oct 2022

5
Meithan West

$75 USD since Oct 2022

6
K'Tesh

$50 USD since Sep 2022

7
Mark B. Bundick

$50 USD since Oct 2022

8
MtnManAK

$50 USD since Oct 2022

9
JJ

$50 USD since Oct 2022

10
David Buhler

$50 USD since Oct 2022

11
Incognito

$50 USD since Apr 2023

12
Kevin Turner

$50 USD since Sep 2025

13
Nathan

$50 USD since Sep 2025

14
Brant H

$40 USD since Feb 2023

15
Al Testani

$40 USD since Apr 2023

16
Mr.Liang WaterRocket

$27 USD since Oct 2022

17
Kenneth B Weaver

$26.5 USD since Sep 2022

18
Rob Goring

$25 USD since Sep 2022

19
Bruce Baldwin

$25 USD since Sep 2022

20
Martin Quanci

$25 USD since Feb 2024

OpenRocket is all of us

Our contributors 53

Thank you for supporting OpenRocket.

H Craig Miller

Admin

$5 USD

Neil Weinstock

Admin

$5 USD

Joe Pfeiffer

Admin

Sibo Van Gool

Admin

Nick Estes

$185 USD

MetricRocketeer

$160 USD

bad_idea

$105 USD

Kevin McGee

Backer

$100 USD

Meithan West

Backer

$75 USD

K'Tesh

$50 USD

Mark B. Bundick

$50 USD

MtnManAK

$50 USD

Estimated Annual Budget
$330
Today's Balance
$1,002.09
Goal
$0
per year

Budget

Transparent and open finances.

Yearly financial contribution to OpenRocket (Backer)

Credit from Kevin McGee to OpenRocket •

+$25.00USD
Completed
Contribution #577283
Monthly financial contribution to OpenRocket

Credit from Nick Estes to OpenRocket •

+$5.00USD
Completed
Contribution #575986
Financial contribution to OpenRocket

Credit from Buzz to OpenRocket •

+$20.00USD
Completed
Contribution #883592
$
Today’s balance

$1,002.09 USD

Total raised

$1,420.16 USD

Total disbursed

$418.07 USD

Estimated annual budget

$330.00 USD

Connect

Let’s get the ball rolling!

News from OpenRocket

Updates on our activities and progress.

ANNOUNCEMENT: OpenRocket version 24.12 is now available for download

The OpenRocket team is pleased to announce a new release, OpenRocket version 24.12! Download: https://openrocket.info/down...
Read more
Published on July 30, 2025 by Sibo Van Gool

ANNOUNCEMENT: OpenRocket version 22.02 Final is now available for download

After 7 years and 9 months, including a full year of public betas, the OpenRocket team is very excited (and relieved) to announce that the final version of OpenRocket 22.02 is now available for download. This new version includes literally...
Read more
Published on February 8, 2023 by Neil Weinstock

Thanks to all our early contributors!

We wanted to send out a big thanks to all those who've contributed to the project. We know that asking for funds is a new thing for OpenRocket, and appreciate your willingness to support the project. Thanks to your contributions, we are now...
Read more
Published on October 23, 2022 by Neil Weinstock

About

 OpenRocket is a free, fully featured model rocket simulator that allows you to design and simulate your rockets before actually building and flying them.

The main features include:
  • Six-degree-of-freedom flight simulation
  • Automatic design optimization
  • Realtime simulated altitude, velocity and acceleration display
  • Staging and clustering support
  • Cross-platform (Java-based)
Read more about it on the OpenRocket Wiki. 

Our team

H Craig Miller

Admin

Neil Weinstock

Admin

Joe Pfeiffer

Admin

Sibo Van Gool

Admin