Integrate, Contribute, Industrialize Open Source

hupstream is 10 yearsold!

Our skills


15 years of contributions in the open source environment have allowed us to better understand how projects work, their methods and their tools. Contribute and teach how to contribute are our strengths.


Open Source is a guarantee of efficiency and robustness. We support you in its integration and dissemination with a rigorous industrialization process.


Sustainability and transmission of know-how are essential for us. Our training programs pursue these objectives to give you control over your solutions.


One of the strengths of Open Source lies in the extremely dense network of projects available today. Our 15 years of presence in this environment allow us to mobilize these actors at the service of our customers or in the context of conferences.

We help you get the most out of Open Source

Our services

Linux kernel We provide you with our Linux kernel expertise across a wide range of hardware platforms (x86, ARM, MIPS, PPC). We accompany you on your hardware and software choices, to improve the performance of an existing, to take this existing, to correct bugs, offer advice on best practices …

Training One of the founding values of Open Source is the sharing of knowledge to better mutualize development efforts. In respect of this value, we have set ourselves the role of supporting our customers and making them autonomous on these technologies. Training is an important part of this support, so we include it in our offer.

Integration Integrating one’s own choices, whether developed by an existing project or internally, poses a number of questions: versioning management, adaptation to the existing base, interactions with existing bricks, maintenance over time in a environment that also evolves …

An open source experts network The open source sector is characterized by a multitude of solutions, small publishers and experts. We help you identify the best ones to implement your choices. We propose you to be your unique interlocutor by identifying and putting you in contact in the best conditions.

Our clients

Last news

Pimp your git prompt!

Gingle Bells!  It's time to pimp your git prompt. To show off but also to have plenty of information on hand that will make our life easier on the command line and on a daily basis.   Use a git contribution : git-prompt We will use a contribution from the...

read more

Git cheat sheet

A short post to introduce our cheat sheet that we share with our trainees at the end of a Git training, just to find their way in the Git toolbox. You can download it here.

read more

Fix a commit in a snap

This time around here's a simple way to fix a commit in the middle of your history before sharing it. The idea is to correct the existing commit and not to add new commits. (Thanks Aurélien for the idea!) How it works Let's take the example of a working branch,...

read more

One worktree per branch

New week, new tricky problem! Who has never needed to test two features offered by two different branches, at the same time or almost ... Apart from cloning  the project twice, running its tests and making any corrections that you forget to push to the server at one...

read more

Contact us

10 + 5 =

  • Address 23 rue d’Anjou 75008 PARIS
  • Phone +33 (0)7 81 63 46 11
  • Mail
  • IRC #hupstream on Freenode server