1. PolyForm Defensive is Now PolyForm Shield

    feedback strikes again

  2. Acceptable Use

    different delivery, same rules

  3. Round Robin 1.0.0

    ready for the field

  4. Round Robin License

    new name, new terms, same great idea

  5. PolyForm Noncompete Licenses

    two new, long-awaited forms

  6. Open COVID Pledge

    public licensing for pandemic response

  7. Noncompete By Two Other Names

    Why are the last PolyForm licenses taking so long?

  8. Sharetribe Community Public License 1.0, Line by Line

    another everything-but-SaaS license

  9. CERN OHL-S 2.0, Line by Line

    the open share-alike hardware license we actually need now?

  10. Medtronic’s PB560 Ventilator License, Line by Line

    medical device company devises copyleft license

  11. Not Those Dreams

    Nintendo purges Mario from Dreams

  12. Copyleft Has No Posse

    war is over, want it or not

  13. Dreams Creates a Commons?

    a video game for making video games

  14. Data Under Universal Share-Alike

    limits on effective data copyleft

  15. Open Source Should Come With Warranties

    (from the companies who use it)

  16. What did I just agree to?

    Marc Jones on oddities in OSI-approved licenses

  17. Luis Villa’s Licensing Year in Review

    harassment made the list, and should have

  18. Starting Noncommercial

    famous projects that started noncommercial

  19. Correct and Intuitive Fairness

    How can a license say what “fair” is ahead of time?

  20. Talking Points: Ethical Licenses

    collecting points and counterpoints

  21. Universal Share-Alike License

    copyleft across different kinds of work

  22. Heather Meeker on “Ethos Licensing”

    free and open is ethos licensing, too

  23. Blue Oak Guide to Copyleft

    short introduction and license families

  24. Blue Oak Test Suite

    test cases for new public licenses

  25. XLC Building Blocks

    essential concepts and vocabulary for cross-license collaboratives

  26. Cross-License Collaboratives

    decentralizing contributor license agreements

  27. Standards, Patents, Open Source

    towards constructive collaboration across practice communities

  28. No LICENSE

    they won’t see your funding plea if they never look

  29. Our Ethics, Not Yours

    in defense of Seth Vargo and morality-first licenses

  30. The Tyranny of Time

    licensing gives developers much-needed flexibility

  31. Open Legal Podcast?

    considering an open legal podcast

  32. Changeblog

    a few thoughts on a friend’s podcast appearance

  33. PolyForm 1.0.0

    standard noncommercial software licenses at last

  34. Heather Meeker on Patent Risk Allocation

    unique compilation of arguments and dynamics

  35. Operating Environment

    essential industry background for reading open software licenses

  36. SSPL Was Not Commons Clause

    how open licensing blew its biggest opportunity of the 2010s

  37. PolyForm Project

    simple, standard, plain-language software licenses

  38. Mortarboard Licenses

    graduate to new public license terms

  39. Tyranny of Permissionlessness

    open source’s narrow focus further empowers those with other ways to exclude

  40. Don’t Rely on OSI Approval

    activist approval does not track practical needs

  41. AFL-3.0 versus OSL-3.0

    a redline (diff) with important network terms highlighted

  42. #wontfix

    endorsements can’t fix the Open Source Definition

  43. Enterprise Ready Open Software License Supplement

    the status quo, plus money for devs

  44. Stairway to Heaven

    repairing broken steps to software license Nirvana

  45. The Diachronic Treadmill License

    automatically reward supporters with copyleft exceptions

  46. License Utopia

    just four licenses for all of open source

  47. Ethical Subcommons Starter Kit

    bringing openness to software of moral concern

  48. Weak or Strong is Wrong

    towards selective or consistent copyleft

  49. Deprecation Notice: MIT and BSD

    it’s time to retire thirty-year-old academic licenses

  50. Blue Oak Council

    opening the software commons to everyone

  51. Open Source Software License Reading List

    a comprehensive curriculum for new license wonks

  52. First Thoughts on the Redis Source Available License Agreement

    evident demand for license rules on API boundaries

  53. API Copyleft License 1.0.0

    first release of API-boundary copyleft form

  54. API Copyleft

    functionality, interfaces, and line drawing in a new copyleft paradigm

  55. Shared Component License

    first shot at a short, plain license in the vein of Mongo’s SSPL

  56. Open Source is Not About You

    a minimal, functionalist view of open source

  57. Open Handicaps

    Did permissive used to advantage open work like copyleft does today?

  58. Selective Openness

    making money by choosing what to give away

  59. The Open Source Definition as Copyleft Regulation

    an in-depth review of commonly cited criteria

  60. The Copyleft Bust Up

    loopholes, licenses, and realpolitik in open source

  61. How to Speak Copyleft

    the missing vocabulary of copyleft design

  62. Elsewhere: Mapping Open Business Models

    crosspost from the License Zero blog

  63. Seeking Comment: Copyright Notice Recommendation

    first stab at a pragmatic best-practice guide

  64. Indirect Licensing

    dispensing software licenses in the Internet era

  65. Contributor Councils

    relicensing without foundation, BDFL, or unanimity

  66. Enforce Open Source Licenses with the Digital Millennium Copyright Act

    takedown power for DIY developers

  67. Public Domain Chronicle

    a fast, easy, and free way to secure scientific methods and findings for the public domain

  68. I Have Another Blog

    you may want to subscribe on License Zero, too

  69. CLAs are Not a Sham

    licensing with friends, improved and improving

  70. Overkill

    doing IP law wrong, and getting away with it

  71. The License Zero Manifesto

    sustainable software in the open

  72. Null Value

    against demise of the hacker public license

  73. Open Source License Business Perception Report

    the pain and confusion of common open licenses, roughly quantified

  74. Against Legislating the Nonobvious

    short-order feedback on the default contributor license in GitHub’s draft terms of service

  75. The MIT License, Line by Line

    171 words every programmer should understand

  76. I Don’t Want to Know What “Open Source” Means

    I am he as you are he as you are me and we are all on GitHub.

  77. License from Who?

    Safe open-source licensing means more than a LICENSE file.

  78. The Berneout Pledge

    Sucks less than CLAs!

  79. First Read: The Fair Source License

    Text and my first thoughts on a new, non-open source form license

  80. React Patent Redline

    Changes to Facebook’s patent grant for React, Flux, Immutable, &c.