Joan Charmant

is creating Kinovea, open source software




per release

About Joan Charmant

Hi, I'm Joan Charmant, creator and developer of Kinovea.

Kinovea is a free and open source software for people studying human motion in videos, primarily focused on technical analysis in sport.

I have been working on this project in some shape or form since 2004, and I'm blown away that over the years it has been downloaded more than a million times, used by thousands of athletes, coaches, students, physical therapists and is cited in hundreds of research papers!

Kinovea takes a fair amount of time and energy and I appreciate every bit of support! I have a full-time job and work on Kinovea during my spare time. The money will be used to acquire new cameras for testing and integrating in the capture module, upgrades to my development machine and a code-signing certificate for improving the security of releases.

I have chosen the "per creation" model in Patreon, so payments will be "per release", not "per month". Releases are spaced out pretty far apart, every 6 months to a year. This model feels the most appropriate for the project.

Patrons get access to occasional screenshots and discussion of early work in progress and intermediate test-builds that are sometimes made to attempt to fix a specific bug or test a way to implement a feature. These builds might be partly broken and rough around the edges, your feedback as core community members will be super valuable!


  • Pledges are per release,
  • Releases are spaced out 6 to 12 months apart,
  • Thank you for stopping by and supporting open source software!
Select a membership level
per release
You will get occasional exclusive updates about work in progress and the warm feeling of supporting an open source project you like 😉  
per release
You will also get access to some intermediate builds that are sometimes made along the way to test a specific feature or fix a bug.

Plus you are giving some recognition to an open source project that's been around for more than a decade 👍 

per release
Your name will be listed in the sponsors tab of the about dialog of Kinovea and on the website (for individuals, sports clubs and sports related companies).  

Plus all the previous benefits 💪 

$85 of $200 per release
This achievement will cover for the basic expenses of Kinovea outside of development: a year of web hosting, a code signing certificate and various small computer hardware items.
1 of 5

Recent posts by Joan Charmant