Open Source Pit Steinlin email@example.com Who does it • IBM does it – Check out www.alphaworks.ibm.com • DB makers do it – SAP™ DB™ database management system • CRM manufacturer do it – Anteil‘s opensourceCRM • CAD makers do it – IntelliCAD (?) • brain://on does it – Dynaworks – Ajax • Everybody does it Who wants it • The Norwegian state • The French defense department • The conference of the heads of IT departments of the German states • Everybody who doesn't want to put all his eggs into one basket. • Your customer? • Yourself ? Tends to be a buzz word, • Smells like pizza, cola and other stereotypes • Sounds like funky systems and cryptic languages • Makes guys famous – Who remembers the ATT Unix team members? • Kind of „free“ software written by creative philanthropist? but is a precise thing • Open source definition: – Free Redistribution – Source Code – Derived works – Integrity of author‘s source code – No discrimination – Not product specific / No contamination of other products Free Redistribution • Open source package can be redistributed freely. • Open Source package can be sold as part of a product package. • No reality or fee allowed for the open source package. • Reason : block the desire for the fast buck instead of investing into the future of the project Source Code • Open source package must include source code or means of access to the source code • Open source package source code may not be obfuscated. • Open source package may be delivered in source code or binary form. • Reason : it‘s all about evolution and therefore access must be provided Derived Works • Open source package must allow modification under the same OS license. • Derived open source packages may be distributed as the original open source package. • Reason : static code isn‘t evolving, one must be able to experiment Integrity of The Author's Source Code. • Modification of original source code must be allowed, but the author may request different names or modification only by means of „patching“ • Reason: The user has a right to know who wrote the code and the programmers have the right to protect their reputation. No Discrimination Against Persons or Groups • No comment • Reason : No comment • Note: Export restrictions cannot be enforced via an open source license. The license may include a warning and a reminder, but may not include any restriction. No Discrimination Against Fields of Endeavor • No comment? • Reason : No license traps that may prevent open source licensed projects from being used commercially. Distribution of License • Rights attached to the original package must be redistributed with the package. • Reason: once open source, always open source – else one might stop the freedom in the first distribution License Must Not Be Specific to a Product • Rights adhering to one package cannot be dependent on the presence of another package • Reason : No license traps that may prevent open source licensed projects from being used commercially. License Must Not Contaminate Other Software • Cannot influence distribution of accompanying software • Reason : distributors have the right to decide what they distribute. Why should I care? • A few reasons to think of open source – Technology – Press awareness – Customer demand If you‘re working on technology – Share the effort – Breed-in new ideas – Profit of some other guys work – Establish a quasi standard through wide-spread use – „the best programmers always work for the other company“ If you need more press awareness – Open source IS trendy. – Polish your image. – Gives some good quarterly success stories for the share-holders. – A loss-leader might get you the attention you need for your „real“ application. If your customers demand it – Independence from a single supplier – Broader perspectives for the future of the project – No Y10K fears – An easy way to avoid contractual hassles. Sounds like loosing money, eh? • What if doomsday comes? – Monopoly value goes to nil – Market value goes to nil – Use value is not enough to support development – Professional programming industry collapses – Programmers starve – Nobody can program decently any more – All die, and the rats take over Perhaps unlikely, as.. • Use value remains • A company will profit from having a program written, no matter whether it‘s free at the end. • Ergo, programmers will still get paid As • Market value remains • Profit shifts to handling, bundling and supporting the application. • Different flavors are still around And as • Monopoly value remains • Takes a lot of time to read code to understand it to understand code to use it to understand code to modify it And anyhow, • Insects will take over Once you decided to make an open source project, what next? • Think again – Is the project really suited for open source? – Can I provide the additional work it needs? – How can I keep the ratio of suckers vs pusher in a healthy range? • Find a suitable license model • Prepare your code • Prepare your project management Which license‘s the best for you? • Frankly, I don‘t know • But check for the OSI certificate Different flavors • GNU General Public License / GNU Lesser Public License • BSD License • MIT License • Mozilla Public License • IBM Public License • MITRE Collaborative Virtual Workspace License • Ricoh Source Code Public License • Apache Software License • Artistic License • ... • And more to come – check for the OSI certificate Charted differences.. PD Artistic BSD GPL is free? yes yes yes yes copies must be free? no yes yes yes must provide source? no yes no yes modified works must be free/open? no yes no yes derived works must be free/open? no no no yes must credit the author/owner? no yes yes yes must rename modified binaries? no yes no yes Our favorite : the artistic license • Free distribution of the package • Bug fixes don‘t count as modifications • Allows use in commercial products • Allows redistribution in binary form • Allows a certain control over the project by the developers. – Getting feedback – Designing the „standard version“ • Protects the developers copyright & reputation – Modifications must be renamed and documented Once you have your license, what next • Requirements for the project – Code should work and have a useful functionality. – Code should be very well documented. • Requirements for the infrastructure – Web hosting – Mailing lists – Somebody that moderates the development process – Somebody that maintains the project ADGE? • ADGE shows that competitors can be partners in technology. • ADGE has access to the best AutoCAD programmers based in Europe. • ADGE has already run „open source“ projects since its conception. • ADGE members all can benefit from advances in technology. Likely projects? • An ADGE Open source license with OSI certificate? • XML integration and wrapper classes • Custom entity classes – smart groups with API – High level entities • Java or C# extensions How could that work? • This is your turn to answer now – Who‘s using open source software? – Who‘s contributing to open source software? – Who‘s made a project open source? – Who‘s a philanthropist by heart? art?
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