would you buy an open source company?

Would you Buyan Open Source Company?

Would you buyan open-sourcecompany?

Senior Developer, Adobe Digital Enterprise Systems, www.day.comApache So!ware Foundation Member and (current) Directorh"p://grep.codeconsult.ch - twi"er: @bdelacretaz - [email protected]

transfersummit.com, Oxford, September 2011

slides revision: 2011-09-05

1

Bertrand Delacrétaz

Based on the Day Software story, as perceived from my open source developer point of view.Just a fireside chat, my personal opinions. No official positions from Adobe in this talk.


does open source software have any

value?

Would you Buyan Open Source Company?3

How much?

ohloh.net

$4’348’937

$2’544’831

download.apache.org

$0.0

$7’625’474

$0.0

$0.0


Stock market? DAYN?

p o w e r e d b y

Not the Absolute Truth of course, but still...


what’s open source software’s

role?


Day was not really an «open source company»,

it was

a so!ware company which develops its technical

stack in the open, collaboratively.

6

OSGi framework(Apache Felix)

JCRrepository

javascript

JSPRuby

Velocityetc..

debugger

WebDAVserver

Sling OSGiconsole

browserfilesystem

JSR-170 API

resource resolution

JSR 223 scripting

servlet/script resolution

standardservlets

storagecomponents

custom servletsand components

content administration UI

HTTP

open sourceat its core


criticalityof our open source core parts

(based on the scienti!c «!nger in the air» method)

15%25%50%

90%


So, anyone can copy this!

9

NOT!


the company does have some

know-how


Day’s R&D team(highlights)

Roy T. Fielding and David Nuescheler,“Mr. REST” and “Mr. JCR”

Thomas Mülleroriginal author

Hypersonic SQL and H2 databases

Carsten Ziegeler, Felix Meschberger, Jukka Zitting

VPs, Apache Excalibur, Sling and Jackrabbit

(among other fun things)

and quite a few other peopleof this caliber...

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we’re not bad, but still,

more eyeballsfrom more places

help a lot!«crowdsourcing neurons»

pict

ure:

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BTW:

being spec lead for JCR also helps

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open sourceopen development

open standards

Expert Group:

JSR-170 JSR-283

Content Repository for JavaTM technology API v2.0Spec-Lead:Day SoftwareStatus: Final Release 14-sept-2009


open source is cool, but

opendevelopment?

open development

collaboration

meritocracyconsensus

quality and securitycommunity over code

«The Apache Way»

impact on quality:very high!

pict

ure:

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more eyeballs

more use cases

more users of all kinds

more opinionated developers

impact on structure:very high!

reuse requires cleaner structures

more use cases -> generalization

pict

ure:

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blac

k on

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impact on reputation:high!

pict

ure:

cla

rita

on m

orgu

efilegood things

(and mistakes) in public...

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ure:

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impact on sustainability: high!

Apache community best practices...


FOR SALE: This company makes good money selling w e l l - s t r u c t u r e d a n d s u s t a i n a b l e q u a l i t y s o f t w a r e . T e a m a n d company have an excellent reputation in their industry. Call 1234-567-89.

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pict

ure:

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ConclusionsOpen source bits are free, but making them open source promotes Quality.A team that integrates them to form a coherent product can have tremendous value.Besides open source, open development, and the collaboration best practices that it promotes, plays a key role.

This slide deck is licensed under the Creative Commons Attribution-Noncommercial-Share Alike 3 license.

Copyright (C) 2011, Bertrand Delacretaz

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