CHAOSScast

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Open source health, measured with context.

The gist

CHAOSScast is a working-room podcast for open source community health. Panels and guests connect CHAOSS metrics to repo analysis, OSPO risk, contributor sustainability, commercial open source, research software, and welcoming participation.

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About CHAOSScast

CHAOSScast is an open source community health show with a practical, standards-minded center. Its episodes ask how communities, foundations, companies, researchers, and OSPOs can measure what is happening without pretending that measurement is neutral or simple. The recurring frame is CHAOSS metrics, but the discussion rarely stays abstract for long. Recent conversations move into Repo-Health, Augur, metric models, project health scores, and the tension between raw metrics and opinionated summaries. That tension gives the show much of its value. It recognizes that maintainers and organizations often want clear signals, while community health depends heavily on context, goals, and interpretation. The show is especially useful when it connects measurement to real decisions. OSPO episodes look at upstream dependencies, supply-chain fragility, social dependencies, cybersecurity awareness, and the business risk created when open source software enters products. Commercial open source episodes take a similarly grounded approach, asking how startups can build revenue while contributing to a healthy shared ecosystem. The conversations are technical, but not only technical. They return often to people: contributors, interns, students, community managers, maintainers, researchers, and first-time participants trying to find a place to begin. Episodes on welcoming communities highlight documentation, contributing guides, good first issues, Slack and GitHub norms, kudos, mentoring, and making mistakes survivable. Research software conversations add another layer, especially around open source internships, opportunity, confidence, and the complexity of learning by asking better questions. The practitioner guide episodes bring the format closer to a working group discussion, with contributors explaining sustainability and organizational participation for listeners who may be arriving midstream. The pacing is conversational and collegial. Panels introduce themselves fully, then circle toward the hard parts of community measurement: what a metric can prove, what it cannot, and what action it should support. CHAOSScast is not a hype show about open source. It is a record of practitioners trying to make open participation healthier, more legible, and more useful without flattening the communities being measured.

Made for: CHAOSScast is for open source program staff, community managers, maintainers, researchers, foundation contributors, and startup operators who need practical language for community health. It also suits listeners working with OSPOs, supply-chain risk, contributor sustainability, or open source metrics.

What sets it apart: The show stands apart by treating metrics as tools for judgment rather than as scoreboard numbers. Its panels connect CHAOSS models to repo tooling, commercial realities, research software, practitioner guides, and the social mechanics of participation.

In their own words

This CHAOSS Community podcast features members who spent considerable time and effort to understand open source community health and how we can measure it through metrics, analytics, and software. We invite guests to this podcast to talk about how they use open source community health metrics and software in their own open source communities, companies, or foundations. This podcast fills the gap with open source community metric definitions and software on one side and their use on the other side.

Why you'd press play

A pull request meets a dollar sign, and you get to ask what community health is worth.

Press play if you want

  • to hear how you might explain community health to investors without losing sight of contributors
  • to spot the upstream dependencies that could put a project you rely on at risk
Read the full recommendation in PlayNext →
CHAOSS metrics and modelsopen source community healthRepo-Health and AugurOSPO risk and dependenciescontributor sustainabilityorganizational participationwelcoming communitiescommercial open source

Talks about

Best episodes of CHAOSScast

Short reviews from the PlayNext desk, based on the episodes we processed.

Episode 131: Repo-Health - a tool built on CHAOSS metricsApr 2, 2026

A practical look at shaping CHAOSS metrics into useful views of open source project health.

Elshad's work gives CHAOSS metrics a clearer practical purpose: turning project-health measurement into views that help communities make decisions, not just sort through data.

Episode 130: Connecting Open Source and Research in Australia with Rowland MosbergenMar 19, 2026

A grounded conversation about open source, research software, and giving newcomers room to find their way in.

ChaosCast follows Roland Mossberg, a research software engineer at the Australian medical research institute WeHi, as he talks through how open source can connect researcher problems with people able to help solve them.

Episode 129: Using Metrics in your OSPOMar 5, 2026

A grounded look at open source health as an ecosystem issue for the projects and people behind software supply chains.

CHAOSScast frames open source community health as a practical signal for whether the projects organizations depend on can stay viable. Matt German-Prey and Johan Linnokke keep the focus on the wider web around any focal project: upstream work, social dependencies, maintainers,…

Episode 127: Community Health metrics for Commercial Open SourceFeb 5, 2026

A practical discussion of open source community health, business value, and the risks of measuring both too narrowly.

This single episode looks at commercial open source through the lens of community health, treating business needs and community strength as parts of the same sustainability problem.

Podcasts like CHAOSScast

Episodes

  1. 1

    Episode 132: Please take the CHAOSScast Impact Survey - and we're taking a break

    CHAOSScast announces a break and invites listeners to take a survey to evaluate how the podcast supports the CHAOSS Project's goals.

    Apr 16, 2026·3m
  2. 2

    Episode 131: Repo-Health - a tool built on CHAOSS metrics

    Hidden gem

    CHAOSScast Episode 131 centers on Elshad, a software developer from Azerbaijan, and his RepoHealth tool built from CHAOSS metrics.

    Apr 2, 2026·36m·2 clips
  3. 3

    Episode 130: Connecting Open Source and Research in Australia with Rowland Mosbergen

    Hidden gem

    Rowland Mosbergen, a research software engineer at WeHi in Australia, explains how eight years in a research lab, six years running his own business, and prior financial-systems software work shaped his approach to open source and research software.

    Mar 19, 2026·29m·1 clip
  4. 4

    Episode 129: Using Metrics in your OSPO

    Hidden gem

    CHAOSScast Episode 129 focuses on using metrics in an OSPO, with Harmony, Matt German-Prey, and Johan Linnokke walking through a To Do Group book chapter on chapter 6.

    Mar 5, 2026·42m·2 clips
  5. 5

    Episode 128: Guest Episode - GR-OSS OUT Podcast: Building Welcoming Communities with Stacey Potter

    Hidden gem

    Tabitha DiDomenico hosts Stacey Potter on the GE Research Open Source Outreach Podcast, where Stacey describes her path from Palomita in 2009 to Weaveworks, Dynatrace, Stacklok, and OpenSSF.

    Feb 19, 2026·22m·1 clip
  6. 6

    Episode 127: Community Health metrics for Commercial Open Source

    Hidden gem

    CHAOSScast Episode 127 centers on Matt Trefuro of the Commercial Open Source Startup Alliance and Daniel Ifkierzo of Vitergia discussing how to measure community health in commercial open source.

    Feb 5, 2026·35m·2 clips
  7. 7

    Episode 126: Meet Leon, your new Asia host

    Jan 22, 2026·23m
  8. 8

    Episode 125: A very CHAOTIC 2025

    Dec 11, 2025·51m
  9. 9

    Episode 124: Practitioner Guides: #7 Diverse Leadership

    Nov 27, 2025·40m
  10. 10

    Episode 123: Practitioner Guides: #6 Sunsetting an Open Source Project

    Nov 13, 2025·29m
  11. 11

    Episode 122: Meet the 2025 CHAOTICS of the month!

    Oct 30, 2025·38m
  12. 12

    Episode 121: Package Metadata Working Group with Andrew Nesbitt and Damián Vicino

    Oct 16, 2025·41m
  13. 13

    Episode 120: Practitioner Guides: #5 Demonstrating Organizational Value

    Oct 2, 2025·23m
  14. 14

    Episode 119: Guest Episode - Sustain asks how Ecosyste.ms maps open source dependencies

    Sep 18, 2025·46m
  15. 15

    Episode 118: Insights from CHAOSScon Africa, Open Source Community Africa Festival, and KCD Nigeria

    Sep 4, 2025·31m
  16. 16

    Episode 117: Business Success with Open Source with VM (Vicky) Brasseur

    Aug 21, 2025·52m
  17. 17

    Episode 116: Metrics For Maintainers with Sarina, Feanil, and Felipe

    Aug 7, 2025·48m
  18. 18

    Episode 115: Trends from UN OSS Week and OSSNA

    Jul 24, 2025·1h 13m
  19. 19

    Episode 114: Awesome POSM and Jellyfish Visualizations for the Cardano Community with Christian, Tex, and Johnny

    Jul 10, 2025·50m
  20. 20

    Episode 113: FOSS Backstage post-conference report

    Jun 26, 2025·35m
  21. 21

    Episode 112: Community health metrics and open infrastructure decision making – with Chrys Wu, Invest in Open Infrastructure

    Jun 12, 2025·41m
  22. 22

    Episode 111: Introducing the CHAOSS Education Project

    May 29, 2025·30m
  23. 23

    Episode 110: 20m in CHAOSS Africa with Busayo Ojo and Yigakpoa Ikpae

    May 15, 2025·26m
  24. 24

    Episode 109: SBOMs and Project Health with Brittany Istenes

    May 1, 2025·40m
  25. 25

    Episode 108: CHAOSS in Asia with Divya Mohan, Leon N, and Yaya Xia

    Apr 17, 2025·29m
  26. 26

    Episode 107: Guest Episode - Sustain meets Sean Goggins to talk about CHAOSS and Auger

    Apr 3, 2025·43m
  27. 27

    Episode 106: Funding Impact Measurement Working Group

    Mar 20, 2025·35m
  28. 28

    Episode 105: GrimoireLab at Thunderbird

    Mar 6, 2025·35m
  29. 29

    Episode 104: 20m in CHAOSS Africa with Oluchi Nwankwo and Winifred Young

    Feb 20, 2025·22m
  30. 30

    Episode 103: GrimoireLab at FreeBSD

    Feb 6, 2025·36m
  31. 31

    Episode 102: 20min in CHAOSS Africa with Hamza Danjaji and Gift Uhiene

    Jan 22, 2025·17m
  32. 32

    Episode 101: Inside CHAOSScast with your producers

    Jan 9, 2025·30m
  33. 33

    Episode 100: Celebrating 100 episodes of CHAOSScast!

    Dec 26, 2024·58m
  34. 34

    Episode 99: Guest Episode - Re-licensing, forks, and community impact with Data in the Hallway

    Dec 12, 2024·37m
  35. 35

    Episode 98: Community building - the role of culture in OSS project health

    Nov 28, 2024·49m
  36. 36

    Episode 97: Practitioner Guides: #4 Security

    Nov 14, 2024·31m
  37. 37

    Episode 96: What's new with GrimoireLab, the open-source community analytics platform

    Oct 31, 2024·34m
  38. 38

    Episode 95: Planning an Open Source event or project with DEI badging

    Oct 17, 2024·30m
  39. 39

    Episode 94: 20min in CHAOSS Africa with Precious, Gloria, and Maryblessing

    Oct 3, 2024·31m
  40. 40

    Episode 93: Guest Episode - Sustain meets CHAOSScast to talk about Practitioner Guides

    Sep 19, 2024·40m
  41. 41

    Episode 92: ISO Standards for Open Source Community Health Metrics

    Sep 5, 2024·29m
  42. 42

    Episode 91: Red Hat OSPO: Contextual Community Analytics and the AI Hype Cycle

    Aug 22, 2024·38m
  43. 43

    Episode 90: 20min in CHAOSS Africa with Victoria and Kingsley

    Aug 8, 2024·20m
  44. 44

    Episode 89: Practitioner Guides: #3 Organizational Participation

    The ChaosCast panel discusses the final Practitioner Guide on Organizational Participation for measuring open source community health.

    Jul 25, 2024·32m
  45. 45

    Episode 88: Practitioner Guides: #2 Contributor Sustainability

    Panelists introduce themselves and set the stage for discussing a practitioner guide on contributor sustainability in open source communities.

    Jul 11, 2024·33m
  46. 46

    Episode 87: Celebrating 2 years of CHAOSS Africa

    Jun 27, 2024·38m
  47. 47

    Episode 86: The Turing Institute: Using AI ethically with the power of Open Source

    Researchers from the Alan Turing Institute discuss using AI ethically with open source and measuring open source community health.

    Jun 13, 2024·45m
  48. 48

    Episode 85: Introducing CHAOSS Practitioner Guides: #1 Responsiveness

    This episode introduces the CHAOSS Practitioner Guides, focusing on the first guide about responsiveness, with guests discussing open source community health metrics.

    May 30, 2024·32m
  49. 49

    Episode 84: Community Viability - how Verizon thinks about OSS risk

    May 16, 2024·35m
  50. 50

    Episode 83: Metrics for Organizational and Digital Infrastructure with Edward Vielmetti

    Edward Vielmetti discusses metrics for organizational and digital infrastructure in open source communities.

    May 2, 2024·46m