Knowledge (XXG)

Public-domain-equivalent license

Source 📝

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General Public License (LGPL) 3.0: 2%; 9. ISC License: 2%; 10. Microsoft Public License: 2%; 11. Eclipse Public License (EPL): 2%; 12. Code Project Open License 1.02: 1%; 13. Mozilla Public License (MPL) 1.1: < 1%; 14. Simplified BSD License (BSD): < 1%; 15. Common Development and Distribution License (CDDL): < 1%; 16. GNU Affero General Public License v3 or later: < 1%; 17. Microsoft Reciprocal License: < 1%; 18. Sun GPL With Classpath Exception v2.0: < 1%; 19. DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE: < 1%; 20: CDDL-1.1: < 1%
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license to do so. :-) For the record, I have already voted +1 to approve the CC0 public domain dedication and fallback license as OSD compliant. I admit that I have argued for years against the "public domain" as an open source license, but in retrospect, considering the minimal risk to developers and users relying on such software and the evident popularity of that "license", I changed my mind. One can't stand in the way of a fire hose of free public domain software, even if it doesn't come with a better FOSS license that I trust more.
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on cr.yp.to: "Most rights can be voluntarily abandoned ('waived') by the owner of the rights. Legislators can go to extra effort to create rights that can't be abandoned, but usually they don't do this. In particular, you can voluntarily abandon your United States copyrights: 'It is well settled that
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There are total 19,221 approved packages in Fedora repository as found on 20.06.2016, among those 1124 were dead packages. From the above chart it is clear that the GPL family is the highest used (I had miscalculated it as MIT before).The other major licenses are MIT, BSD, the LGPL family, Artistic
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The licensing process also allows authors, particularly software authors, the opportunity to explicitly deny any implied warranty that might give someone a basis for legal action against them. While there is no universally agreed-upon license, several licenses aim to grant the same rights that would
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1. MIT License: 26%; 2. GNU General Public License (GPL) 2.0: 21%; 3. Apache License 2.0: 16%; 4. GNU General Public License (GPL) 3.0: 9%; 5. BSD License 2.0 (3-clause, New or Revised) License: 6%; 6. GNU Lesser General Public License (LGPL) 2.1: 4%; 7. Artistic License (Perl): 4%; 8. GNU Lesser
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The case you referenced in your email, Hampton v. Paramount Pictures, 279 F.2d 100 (9th Cir. Cal. 1960), stands for the proposition that, at least in the Ninth Circuit, a person can indeed abandon his copyrights (counter to what I wrote in my article) – but it takes the equivalent of a manifest
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No permission or license is required for a work truly in the public domain, such as one with an expired copyright; such a work may be copied at will. Public domain equivalent licenses exist because some legal jurisdictions do not provide for authors to voluntarily place their work in the public
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for approval, controversy arose over a clause which excluded any relevant patents held by the copyright holder from the scope of the license. This clause was added with scientific data in mind rather than software, but some members of the OSI believed it could weaken users' defenses against
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rights gained under the Copyright Act may be abandoned. But abandonment of a right must be manifested by some overt act indicating an intention to abandon that right. See Hampton v. Paramount Pictures Corp., 279 F.2d 100, 104 (9th Cir. 1960).'" (2004).
367:(for Perl packages), LPPL (foe texlive packages), ASL. Apart from these licenses there are projects who has submitted themselves in to Public Domain and that number is 517 and 11 packages have mentioned their license as Unlicense. 305: 376:
1. MIT: 44.69%; 2. Other: 15.68%; 3. GPLv2: 12.96%; 4. Apache: 11.19%; 5. GPLv3: 8.88%; 6. BSD 3-clause: 4.53%; 7. Unlicense: 1.87%; 8. BSD 2-clause: 1.70%; 9. LGPLv3: 1.30%; 10. AGPLv3: 1.05% (30 mill * 2% * 17% =
175:, however, do not recommend the usage of this license for software due to inclusion of a clause expressly stating it does not grant patent licenses. In June 2016 an analysis of the 1009: 489:"Validity of the Creative Commons Zero 1.0 Universal Public Domain Dedication and its usability for bibliographic metadata from the perspective of German Copyright Law" 419: 186:
software license, published around 2010, offers a public-domain waiver text with a fall-back public-domain-like license, inspired by permissive licenses but without an
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and called it "the preferred method of releasing software in the public domain" – the Foundation then reviewed its position specifically for softwares.
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does not allow its employees to contribute to projects under public domain equivalent licenses like the Unlicense and CC0, while allowing contributions to
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argued in the essay "Why the public domain isn't a license" that software could not truly be given into public domain, a position that faced opposition by
837: 918: 129:) was released as a public-domain-equivalent license for software. It is distinguished among software licenses by its informal style and lack of a 268: 1053: 648: 448: 1063: 283:. As a result, Creative Commons withdrew their submission, and the license is not currently approved by the OSI. In July 2022, the 1013: 290:
In June 2020, following a request for legacy approval, OSI formally recognized the Unlicense as an approved license meeting the
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clause. In 2015 GitHub reported that approximately 102,000 of their 5.1 million licensed projects, or 2%, use the Unlicense.
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as an open-source license, and admitted that, contrary to his previous claims, copyright can be waived away.
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deprecated CC0 for software code for the same reasons, but will still allow its use for non-code content.
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approved CC0 as a recommended license to dedicate content to the public domain. The FSF and the
623: 201:, leaving only an unconditional grant of rights and a warranty disclaimer. It is listed by the 870: 509: 144: 700: 280: 579:"Creative Commons 4.0 BY and BY-SA licenses approved conformant with the Open Definition" 284: 176: 113:
domain, but do allow them to grant arbitrarily broad rights in the work to the public.
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with jurisdictions where dedicating to public domain is problematic, such as
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usable by anyone without conditions, while avoiding the complexities of
773: 726: 86: 24: 761: 557: 1010:"[License-review] Request for legacy approval: The Unlicense" 815: 297: 210: 94: 72: 51: 600: 795: 41: 179:'s software packages placed CC0 as the 17th most popular license. 126: 30: 750:
Toybox is released under the following "zero clause" BSD license
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In February 2012, when the CC0 license was submitted to the
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In 2000, the "Do What the Fuck You Want To Public License" (
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community, there has been some controversy over whether a
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In the Open Source Initiative Licence review mailing list
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In the Open Source Initiative Licence review mailing list
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as the Zero Clause BSD license, with the SPDX identifier
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and others. In 2012, Rosen changed his mind, accepted
919:"OSI recognition for Creative Commons Zero License?" 528: 526: 451:. Black Duck Software. 31 May 2016. Archived from 985:"Fedora sours on CC 'No Rights Reserved' license" 163:, for cases where the waiver is not valid. The 8: 474:"11/17: Lulan Artisans Textile Competition" 893:"Various Licenses and Comments about Them" 727:"Zero-Clause BSD | Open Source Initiative" 534:"Various Licenses and Comments about Them" 33:license logo, a public-domain-like license 701:"Open source license usage on GitHub.com" 649:"The Unlicense: A License for No License" 816:Placing documents into the public domain 796:"Why the public domain isn't a license" 624:"Software Licenses in Fedora Ecosystem" 390: 349: 867:"Using CC0 for public domain software" 506:"Using CC0 for public domain software" 209:. It was first used by Rob Landley in 117:apply to a work in the public domain. 594: 592: 7: 577:Timothy Vollmer (27 December 2013). 401:. Creative Commons. 16 December 2015 983:Francisco, Thomas Claburn in San. 14: 1008:Chestek, Pamela (June 16, 2020). 197:removes half a sentence from the 16:License that waives all copyright 925:. opensource.org. Archived from 840:. opensource.org. Archived from 599:The Open Source Initiative FAQ. 109:that occur with other licenses. 83:Public-domain-equivalent license 61: 40: 23: 244:dedication constitutes a valid 954:] of CC0 from OSI process" 203:Software Package Data Exchange 75:and public-domain-like license 54:and public-domain-like license 1: 1054:Permissive software licenses 622:Anwesha Das (22 June 2016). 699:Ben Balter (9 March 2015). 93:-like rights and/or act as 1085: 948:Christopher Allan Webber. 218:MIT No Attribution License 50:license logo, a copyright 1064:Public copyright licenses 169:Open Knowledge Foundation 338:Public copyright license 265:Free Software Foundation 165:Free Software Foundation 151:, which was created for 97:. They are used to make 950:"CC withdrawl [ 762:BSD Zero Clause License 647:Joe Brockmeier (2010). 195:BSD Zero Clause License 1028:"Open Source Patching" 333:Public-domain software 276:Open Source Initiative 269:free software licenses 173:Open Source Initiative 1016:on September 8, 2020. 929:on September 26, 2013 780:. SPDX Working Group. 420:"Version 1.0 license" 213:and is OSI-approved. 107:license compatibility 774:"MIT No Attribution" 989:www.theregister.com 820:Daniel J. Bernstein 583:creativecommons.org 563:The Open Definition 254:Daniel J. Bernstein 246:open-source license 424:anonscm.debian.org 328:Public Domain Mark 248:. In 2004, lawyer 161:permissive license 157:continental Europe 71:logo, a copyright 449:"Top 20 licenses" 267:added CC0 to its 99:copyrighted works 1076: 1069:Terms of service 1038: 1037: 1035: 1034: 1024: 1018: 1017: 1012:. Archived from 1005: 999: 998: 996: 995: 980: 974: 973: 971: 969: 960:. Archived from 945: 939: 938: 936: 934: 917:Carl Boettiger. 914: 908: 907: 905: 903: 889: 883: 882: 880: 878: 873:. April 15, 2011 871:Creative Commons 863: 857: 856: 850: 849: 830: 824: 813: 807: 806: 804: 803: 788: 782: 781: 770: 764: 759: 753: 747: 741: 740: 738: 737: 723: 717: 716: 714: 713: 696: 690: 689: 687: 686: 677:. Archived from 667: 661: 660: 655:. Archived from 644: 638: 637: 635: 634: 619: 613: 612: 610: 608: 603:. opensource.org 596: 587: 586: 574: 568: 567: 554: 548: 547: 545: 544: 530: 521: 520: 518: 517: 510:Creative Commons 502: 496: 495: 493: 484: 478: 477: 470: 464: 463: 461: 460: 445: 439: 438: 436: 435: 426:. Archived from 416: 410: 409: 407: 406: 395: 378: 374: 368: 364: 358: 354: 306:US government PD 281:software patents 223: 208: 145:Creative Commons 65: 44: 27: 1084: 1083: 1079: 1078: 1077: 1075: 1074: 1073: 1044: 1043: 1042: 1041: 1032: 1030: 1026: 1025: 1021: 1007: 1006: 1002: 993: 991: 982: 981: 977: 967: 965: 947: 946: 942: 932: 930: 916: 915: 911: 901: 899: 891: 890: 886: 876: 874: 865: 864: 860: 847: 845: 832: 831: 827: 814: 810: 801: 799: 790: 789: 785: 772: 771: 767: 760: 756: 748: 744: 735: 733: 725: 724: 720: 711: 709: 698: 697: 693: 684: 682: 671:"The Unlicense" 669: 668: 664: 646: 645: 641: 632: 630: 621: 620: 616: 606: 604: 598: 597: 590: 576: 575: 571: 556: 555: 551: 542: 540: 532: 531: 524: 515: 513: 512:. 15 April 2011 504: 503: 499: 491: 487:Till Kreutzer. 486: 485: 481: 476:. 18 June 2009. 472: 471: 467: 458: 456: 447: 446: 442: 433: 431: 418: 417: 413: 404: 402: 397: 396: 392: 387: 382: 381: 375: 371: 365: 361: 355: 351: 346: 314: 234: 221: 206: 123: 80: 79: 78: 77: 76: 66: 57: 56: 55: 45: 36: 35: 34: 28: 17: 12: 11: 5: 1082: 1080: 1072: 1071: 1066: 1061: 1056: 1046: 1045: 1040: 1039: 1019: 1000: 975: 940: 909: 884: 858: 836:(2012-03-08). 834:Lawrence Rosen 825: 808: 798:. rosenlaw.com 794:(2004-05-25). 792:Lawrence Rosen 783: 765: 754: 752:by Rob Landley 742: 731:opensource.org 718: 691: 662: 659:on 2016-03-24. 639: 614: 588: 569: 549: 522: 497: 479: 465: 440: 411: 389: 388: 386: 383: 380: 379: 369: 359: 348: 347: 345: 342: 341: 340: 335: 330: 325: 320: 313: 310: 285:Fedora Project 250:Lawrence Rosen 233: 230: 228:License List. 177:Fedora Project 122: 119: 67: 60: 59: 58: 46: 39: 38: 37: 29: 22: 21: 20: 19: 18: 15: 13: 10: 9: 6: 4: 3: 2: 1081: 1070: 1067: 1065: 1062: 1060: 1059:Public domain 1057: 1055: 1052: 1051: 1049: 1029: 1023: 1020: 1015: 1011: 1004: 1001: 990: 986: 979: 976: 964:on 2015-09-06 963: 959: 955: 953: 944: 941: 928: 924: 920: 913: 910: 898: 894: 888: 885: 872: 868: 862: 859: 855: 844:on 2016-03-12 843: 839: 835: 829: 826: 821: 817: 812: 809: 797: 793: 787: 784: 779: 775: 769: 766: 763: 758: 755: 751: 746: 743: 732: 728: 722: 719: 708: 707: 702: 695: 692: 681:on 2018-07-08 680: 676: 675:unlicense.org 672: 666: 663: 658: 654: 650: 643: 640: 629: 628:anweshadas.in 625: 618: 615: 602: 595: 593: 589: 584: 580: 573: 570: 565: 564: 559: 553: 550: 539: 535: 529: 527: 523: 511: 507: 501: 498: 490: 483: 480: 475: 469: 466: 455:on 2016-07-19 454: 450: 444: 441: 430:on 2013-06-02 429: 425: 421: 415: 412: 400: 394: 391: 384: 373: 370: 363: 360: 353: 350: 343: 339: 336: 334: 331: 329: 326: 324: 323:Public domain 321: 319: 316: 315: 311: 309: 307: 304:licensed and 303: 299: 295: 293: 288: 286: 282: 277: 272: 270: 266: 263:In 2011, the 261: 259: 255: 251: 247: 243: 242:public domain 239: 238:free-software 231: 229: 227: 219: 214: 212: 204: 200: 196: 191: 189: 185: 180: 178: 174: 170: 166: 162: 158: 154: 153:compatibility 150: 146: 141: 139: 135: 132: 128: 120: 118: 114: 110: 108: 104: 100: 96: 92: 91:public-domain 88: 84: 74: 70: 64: 53: 49: 43: 32: 26: 1031:. 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Retrieved 393: 372: 362: 352: 296: 289: 273: 262: 235: 215: 192: 181: 142: 124: 115: 111: 82: 81: 933:February 1, 897:GNU Project 653:ostatic.com 538:GNU Project 399:"Downloads" 199:ISC license 188:attribution 103:attribution 89:that grant 1048:Categories 1033:2020-09-29 994:2022-07-26 848:2016-02-22 802:2016-02-22 736:2018-12-18 712:2015-11-21 706:github.com 685:2020-05-12 633:2016-06-27 558:"licenses" 543:2015-04-04 516:2011-05-10 459:2016-05-31 434:2016-06-19 405:2015-12-24 385:References 308:projects. 140:projects. 134:disclaimer 232:Reception 184:Unlicense 147:released 143:In 2009, 69:Unlicense 902:April 4, 778:spdx.org 318:Beerware 312:See also 167:and the 131:warranty 121:Licenses 87:licenses 877:May 10, 607:May 25, 236:In the 224:in the 95:waivers 298:Google 211:Toybox 73:waiver 52:waiver 492:(PDF) 377:102k) 344:Notes 222:MIT-0 127:WTFPL 31:WTFPL 970:2012 935:2012 904:2015 879:2011 609:2013 302:0BSD 226:SPDX 216:The 207:0BSD 193:The 182:The 138:FOSS 85:are 952:sic 818:by 292:OSD 258:CC0 149:CC0 105:or 48:CC0 1050:: 987:. 956:. 921:. 895:. 869:. 851:. 776:. 729:. 703:. 673:. 651:. 626:. 591:^ 581:. 560:. 536:. 525:^ 508:. 422:. 294:. 1036:. 997:. 972:. 937:. 906:. 881:. 805:. 739:. 715:. 688:. 636:. 611:. 585:. 566:. 546:. 519:. 494:. 462:. 437:. 408:.

Index


WTFPL

CC0
waiver

Unlicense
waiver
licenses
public-domain
waivers
copyrighted works
attribution
license compatibility
WTFPL
warranty
disclaimer
FOSS
Creative Commons
CC0
compatibility
continental Europe
permissive license
Free Software Foundation
Open Knowledge Foundation
Open Source Initiative
Fedora Project
Unlicense
attribution
BSD Zero Clause License

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