Most of what we do is public.

Did you know that 97%[*] of proprietary software contains Open Source code? Has anyone ever properly explained how it works?
Without Open Source there is no innovation today.

[*] 2025 Open Source Security and Risk Analysis (OSSRA) Report

Where our work lives.

M4SS works in the open. The code we produce, where possible, is released under an Open Source license. We try to improve the libraries we use. The vulnerabilities we find end up in the RustSec advisory database.

Case history

The clients who chose our technologies and services, presented in full, with the real numbers behind the work delivered.

S451

The M4SS technology that orchestrates devices around the world, from the cloud to the sensor. A project that began as a philosophy before becoming code. Today it lives in production across hundreds of nodes.

Open Source

A technical deep dive into Open Source releases, upstream contributions, vulnerabilities reported to the RustSec advisory database. The numbers, the tools, the pull requests.

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Civic-tech legacy

M4SS is rooted in tools for civil society. This legacy forged the company's founding values. Putting people first isn't a slogan; at M4SS it's history.

  • iGruppi (2013-2017): a platform for Solidarity Purchasing Groups that served over 250 families.
  • Hackathon Social and Solidarity Economy (2018), organized in Reggio Emilia.
  • Hacklocal (2019), in collaboration with the Municipality of Reggio Emilia.
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Want to see how this way of working translates to your project? Let's talk.

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