Videos and Slides


Conference Kick-Off, Cedric Thomas Jean Parpaillon, OW2

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We are very proud to be celebrating OW2's tenth anniversary this year. OW2 inherited a repository of open source middleware solutions called ObjectWeb, that was supported by Inria], the French Institute for Research in Computer Science and Automation, and Bull ATOS Technologies. pen source software is going mainstream, and this brings a whole range of new challenges to the open source ecosystem. as it becomes increasingly mainstream, OSS expands into new territories where its advantages are not quite so obvious. For example, in going mainstream OSS has to prove its worth to conventional business managers who are far from free software advocates.

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KEYNOTE - 10 years of Open Source with OW2, Gabriele Ruffatti, Engineering Group

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The story of open source at Engineering Group started by networking with international communities. The first one was ObjectWeb in 2005, followed by the collaborative foundation of OW2 in 2007. I still remember the final preparation workshop in Rome, in November 2006 … it’s been a long time. This coming speech won’t be just a celebrative talk: it will introduce both a reflection about lessons learned by one of OW2 founding members and a look at future prospects and challenges of open source in the era of digital innovation, aiming at keeping the spirit of the ground values of open source alive over time. In 2010 I wrote the paper “Which open source software for the current decade? Five questions for the future”. It’s now time to answer to its final question: “Which approaches and real opportunities do we need to adopt in order to lead the business and technological innovation towards a new knowledge-intensive way of producing and living?”. Trust, one of the open-source key-words, is part of the answer: progress is not possible without trust, in the digital world.

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KEYNOTE - Open Source: The Third Decade, Simon Phipps, Meshed Insights Ltd & OSI

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OSI was established in 1998, and with it the term "open source" to describe software licensed to enable collaboration around free software. 2018 consequently sees the start of the third decade of open source. What changes will we see? What principles can guide us?

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In Open Source we trust, Thierry Souche, Orange

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KEYNOTE - Closing the Loop in the OpenStack Development Process, Thierry Carrez, OpenStack

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Keynote Presentation by Thierry Carrez, VP of Engineering, OpenStack Foundation.
Thierry Carrez is the Vice-President of Engineering at the OpenStack Foundation, helping ensure the long-term health of the OpenStack upstream open source project. He has been the Release Manager for the OpenStack project since its inception, coordinating the effort and facilitating collaboration between contributors. He is the elected chair of the OpenStack Technical Committee, which is in charge of the technical direction of the project.

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Digital Transformation & Solvency II Simulations for L&G: Optimizing, Accelerating and Migrating to the Cloud, Denis Caromel, ActiveEon

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Legal & General is engaged into a very innovative Digital Transformation, which goes from the services offered to its customers to the management of its IT Applications and Infrastructure.
As part of this strategic evolution, this talk presents how L&G together with ActiveEon Software and Services was able to replace 2 schedulers (Tibco DataSynapse and IBM AlgoBatch) with ProActive Workflows & Scheduling, and migrate the Solvency application to the Azure Cloud. A key aspect has been the ability to pipeline CPU-intensive tasks with I/O intensive ones. This alone allowed for 10% overall savings in runtime and grid resources, and for the high priority risk reports to be made available to customers 3x faster than the previous solution (16 hours down to 5 hours). 

Denis Caromel, CEO & Founder - ActiveEon
Guido Imperiale, Lead Integration Engineer - Legal & General, UK
Marco Castigliego, Agile Team Leader - ActiveEon
Paraita Wohler, Senior Software Engineer - ActiveEon

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Trying to go mainstream - a journey into open ourcing, Jonathan Rivalan, alter way

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More and more of the mainstream apps are open source, but how do you become a mainstream app ? How do you make some noise around your OSS project ? 

Without giving any hard answer, this talk will provide some examples and strategies me and my team followed in order to solve some of these questions, including upstream contributions to major OSS projects, blog posts, cross-collaboration, public and free access to online services, and ultimately : this call at OW2con !

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Are Open Source Softwares Just a «Low Cost» Alternative to their Proprietary Counterpart?, Bruno Carlin, WAARP

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What are the reasons that push companies toward open source softwares solution?

Some answers to this question are known:

  • The access to a source code, with a developing community, which provide software support, quality and even sometimes security.
  • The adaptability of the source code to fit users need,
  • The access to a large and "free" software library.

Those answers are only the tip of the iceberg and cannot be enough to understand the compagny policies toward open source tooling.

We propose to analyse this question and provide new and deeper answers.

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Evolving from SpagoBI to Knowage: the Business Model perspective, Stephano Scamuzzo, Engineering Group

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Changing minds are the leading actors of innovation !
After 12 years of experience in the open source Community, the OW2 SpagoBI project evolves its business model in the aim of providing the community and the market with an even more featured product with a transparent positioning.
Starting from the recently released version 6, the project is branded as Knowage and distributed under two editions:
- a Community Edition, fully open source and supported by the Community
- an Enteprise Edition, fully supported by Engineering under a subscription model

The Knowage Community Edition leverages on  the whole SpagoBI experience and evolves into a more mature and competitive trend to fulfill the criteria of a Modern BI suite, including traditional and advanced analytics based on Big Data. It keeps on stimulating the contribution from the open source community and the collaboration with OW2 projects and initiatives.

The presentation will tell the history of a long life project, walking together with OW2 from the beginning, focusing on the main choices debated and taken during its lifetime:
- the licensing model, from LGPL to MPL and now AGPL
- the business model, from service-centric to features-centric
- the distribution model, from single-edition to multiple-editions

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Building Trusted Docker Images for Hybrid Cloud: What's New With Project Hammr? , Ludovic Queiroga, UShareSoft

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Hammr is an OW2 open source, command-line tool for creating consistent and repeatable machine images for different cloud or virtual environments, or migrating live systems from one environment to another. Designed for cloud-era environments, where agility and automation are key, hammr helps organizations automate the creation of machine images for hybrid environments. This presentation will focus on how hammr can integrate with existing DevOps toolchains, and how it can be used to quickly build and run trusted Docker images with full software governance. Finally, we will present the latest hammr features, including expanded cloud support (Azure Resource Manager and Fujitsu Cloud Service K5), enhanced design of software bundles, and Multi-NIC support, allowing users to support several network interfaces within a VPN or externally.

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What's New in Lutece V6: The City of Paris CMS and Development Platform, Jon Harper, City of Paris

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Il s'agira de présenter les dernières nouveautés et réalisations après avoir fait un rappel des fonctionnalités et potentialités de l'outil. La release officielle de la version 6 aura lieu dans le courant du mois de juin.

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Rocket.Chat : A Mainstream Open Source Collaboration Platform, Gabriel Engel, Rocket.Chat

Introduce and demonstrate the Rocket.Chat platform to OW2 membership.

Present the APIs, integration, and extension possibilities for the Rocket.Chat real-time messaging platform.

Present Rocket.Chat's open source centric business strategy to compete head-on with major closed source SaaS competitor(s).

Describe how open source community building and empowerment is the single key enabler for Rocket.Chat's long term vision of becoming the de-facto global collaboration platform of choice.

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Knowage and Prosperity4All supports accessibility , Alessandro Portosa, Engineering Group

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The European research project Prosperity4all focuses on developing the infrastructure to allow a new ecosystem to grow; one that is based on self-rewarding collaboration, that can reduce redundant development, set lower costs, increase market reach and penetration internationally, and create the robust cross-platform spectrum of mainstream and assistive technology-based solutions. 

P4All is part of a wider initiative for the creation of a Global Public Inclusive Infrastructure (GPII), a paradigm shift in eInclusion through one-size-fits-one digitally inclusive solutions.

The presentation focus on the activities performed in the P4All project to evolve the Knowage OW2 BI platform adding accessibility features to allow access to business intelligence data for users with different type of disabilities. 

The main integration consists in:
- ARIA and mouseless navigation support
- Fluid Infusion: Preferences Framework to allow users with visual impairments to adapt KnowAge interfaces based on their needs.
- Robobraille: a conversion tool to generate BI data as accessible PDF (and other formats) optimized for assistive devices

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Accessibility and Open Source strategy, Raphael  Semeteys, Worldline

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Raphael Semeteys is Software Architect at Worldline.                                                           

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Microsoft Accessibility Strategy, Philippe Trotin, Microsoft

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Presentation of Microsoft's Accessibility Strategy by Philippe Trotin, Business Operation Manager & Handicap Referent at Microsoft.

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The OW2 Open Source Accessibility Initiative (OSAi), Christian Paterson, Orange

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The OW2 Accessibility Initiative OSAi is a community-driven initiative hosted by OW2 and designed to develop open source technologies and share best practices in the field of accessibility.

OSAi contributes to build synergies between OW2 members and the larger community around open and compliant digital solutions for people with physical or cognitive difficulties. The initiative seeks to facilitate technology integration between open source accessibility enablement and management software. It provides a neutral forum to identify, discuss, develop and integrate quality open source solutions for accessibility.

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Knowage & FIWARE: the new ecosystem for Smart Applications, Davide Zerbetto, Engineering Group

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SpagoBI joined the FIWARE project in 2014 as Data Visualization component.
The FIWARE mission is “to build an open sustainable ecosystem around public, royalty-free and implementation-driven software platform standards that will ease the development of new Smart Applications in multiple sectors”.

Following this mission and thanks to this collaboration, SpagoBI was enriched with new capabilities that can be exploited in Smart Cities and IoT scenarios, in particular:

  1. capability to explore and analyze data coming form CKAN (the well known Open Data portal)
    2. NGSI standard adoption (both as producer and consumer of context data)

The presentation will provide a short introduction to the FIWARE ecosystem, then it will go into more details on complex scenarios where the data visualization (SpagoBI and Knowage) is involved.

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GLPI, present and future, Walid Nouh, Teclib

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GLPI is an open source IT asset management and service desk software.
The project has started in 2003, and has reach a great popularity worldwilde.

During this talk, Teclib will explain how GLPI is being modernize to meet new challenges.

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What's News in XWiki 9.x, Vincent Massol, XWiki SAS

XWiki, the Open Source structured Wiki,  continues to progress with many new possibilities.

This presentation will present how to use a structured Wiki for collaboration and look at the new features and extensions available in XWiki 8.x and 9.x.

Among other features the following features will be presented:

- App Within Minutes
- Nested Pages and CKEditor
- OnlyOffice integration
- Office365 and Google Apps integration

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KEYNOTE - Scaling Applications with Open Source: Overcoming the Challenges in an Enterprise, Ronan Kirby, NGINX

Ronan Kirby is Head of NGINX EMEA and an open source veteran, with an accomplished history in enterprise technology. He spent over 10 years working with Red Hat, in senior technical and commercial roles; has helped grow numerous technology companies across Europe and Asia for the European Bank (EBRD), as well as holding leadership positions in a number of other technology companies.

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Performance testing and monitoring: a guided tour through CLIF tools and features, Bruno Dillenseger, Orange Labs

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The CLIF project is 15 years old now - older than OW2 actually! Over the years, this performance testing software integrated new ideas, needs and technologies to keep efficient, powerful, maintainable and extendible: distributed and component-oriented programming, autonomic computing, continuous integration, cloud computing, containers...
While CLIF production version 2.3.5 has just been released, let's have an overview of all available features and tools, and see how the project will carry on towards automation for efficient performance testing and monitoring.

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Modern application design using SeedStack, Marius Matei, PSA Groupe

The design of new information systems requires usage of cloud ready development frameworks like SeedStack.
SeedStack coding approach comes with some major benefits: compliance with open source cloud standards, modular design and clean code. Using domain driven design and bounded context concept, the microservices are finely identified.
Operational elements like performance measures, APIs for connecting ressources are provided by SeedStack in order to prepare the integration of a cloud ready application with the host.
SeedStack project templates and automation accelerate the development of cloud ready microservices.
This presentation demonstrates how to build and operate such microservices. 

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CHOReVOLUTION: a dynamic platform ready to compose, run and scale IoT IoS applications, Sebastien Keller, THALES

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From Code to Product, from Myth to Reality, the CHOReVOLUTION project is achieving its goal by delivering a dynamic platform, during its third and last year.
More precisely, the CHOReVOLUTION Studio for Eclipse is addressing scalable IoT/IoS applications based on choreography modelling, synthesis, adaptation, service bus, security, and cloud. It aims at integrating as much as possible existing web services to create new innovative solutions.
The first applications developed for evaluating the solution provided useful feedbacks allowing us to improve the solution in order to reach a first level of maturity.
The CHOReVOLUTION software are published under an open source licence and made publicly available through the OW2 community.

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lOC and DI revisited with Nuun, Epo Jemba, Kametic

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In this track, we present, Nuun is a powerful and flexible micro-framework for building enterprise class applications and stacks. 

Nuun brings another experience where developers do not spend time working on configuration. Configuration can be encapsulated in modules so developers can focus on writing application code.

Nuun brings a clean kernel/plugin design plus a JSR 330 compliant injection mechanism backed by Google Guice. It is designed to be compatible with the major injection frameworks (spring, guice for now, tapestry, picocontainer, jodd, etc to come ...). Nuun aims to be a reference for enterprise application development.

Nuun makes a clear separation between stack developers and business developers. Stack developers will define convention and high level technical aspects by creating plugins. Then business developers will be free from configuration and will be able to focus on business issues not technical issues.

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SPOON: Source Code Analysis and Transformation for Java, Benjamin Danglot, INRIA

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Spoon - Source Code Analysis and Transformation for Java. Tool's presentation, usages and collaborative development.

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STAMP: Software Testing Amplification in DevOps, Etienne Sauvage, OW2

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DevOps strongly encourages the development of test suites and test scripts that can run automatically at every build in order to detect regressions as soon as possible. However, the manual development of strong test suites is extremely time consuming. In this talk I will introduce test amplification, as an original solution to address this pain point. This approach consists in leveraging existing test cases and scripts in order to produce new ones through automatic transformation processes. I will present initial results about unit test amplification, from the STAMP project.
www.stamp-project.eu

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KEYNOTE - Half-Century of Unix; History, Preservation, and Lessons Learned, Diomidis  Spinellis, Athens University of Economics and Business

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Diomidis Spinellis is Professor in the Department of Management Science and Technology of the Athens University of Economics and Business, Editor in Chief of IEEE Software. He is director of the Information Systems Technology Laboratory (ISTLab) and the lab's Software Engineering and Security (SENSE) group, welcomes you to his home page. www.spinellis.gr

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Measuring success in Open Source projects, Manrique Lopez, Bitergia

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Open Source software projects have diverse goals, but they mainly have a mission in common: promote the adoption and collaboration of their specific products. They might have different reasons for it and different policies to achieve that vision. But it ends being about the people using and developing those products.

Talking about "success", in this case, it would mean that the products are used and developed by individuals or by the industry. How could we measure this success? Metrics are useful for project transparency, neutrality, marketing and engineering, and during this talk we will present some use cases and tools to manage your open source and collaborative software projects in an effective way.

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The MEASURE project : Measuring Software Engineering, Alessandra Bagnato, Softeam

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The goal of the MEASURE (Measuring Software Engineering) project is to increase the quality and efficiency as well as reduce the costs and time-to-market of software engineering in Europe. By implementing a comprehensive set of tools for automated and continuous measurement, this project provides a toolset for future projects to properly measure their impact. More importantly, it opens a new field for innovation. The real innovation will be in the advanced analytics of the measurement data enabled by the project.

To reach this ambitious goal, the project will iteratively and incrementally:

1) Define better metrics and develop methods and tools for automated, precise, and unbiased measurement of software engineering activities and artefacts.
2) Develop methods and tools for analysing the big data produced by the continuous measurement to enable continuous improvement of performance.
3) Validate the developed metrics and measurement tools by integrating them into software development environments and processes of the industrial partners, and iteratively improve them based on the feedback gathered from the industry.
4) Validate the developed analysis tools by analysing the data gathered from the industrial partners and measuring the impact of the improvements suggested by the analysis tools. A practical example of a measurement-based suggestion could be pointing out an area of source code not covered by automated test suite and generating new targeted test automation scripts based on manual test cases recorded during continuous measurement.
5) Support management decision making by visualizing the results of continuous measurement at targeted level of abstraction, i.e., providing different visualization or even completely different metrics for developers and managers.   

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From OSCAR to the OW2 Market Readiness Index, Cedric Thomas Stephane Lauriere, OW2

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As it becomes increasingly mainstream, OSS expands into new territories where its advantages are not quite so obvious. For example, in going mainstream OSS has to prove its worth to conventional business managers who are far from free software advocates. This presentation shows how we leverage the experience gained through our quality program by developing a transposition of NASA's Technology Readiness Levels in the business world of open source. We  introduce the OW2's Market Readiness Index: it will bring value to our projects and stability and predictability for open source decision makers.

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CROSSMINER - Developer-Centric Knowledge Mining from Large Open-Source Software Repositories, Davide Di Ruscio, University of L'Aquila

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Deciding if an OSS project meets the required standards for adoption is hard, and keeping up-to-date with a rapidly evolving project is even harder. Making decisions about quality and adoption involves analysing code, documentation, online discussions, and issue trackers. There is too much information to process manually and it is common that uninformed decisions are made with detrimental effects.

This talk will make an overview of the EU H2020 CROSSMINER project, which aims to remedy such problems by automatically extracting required knowledge and injecting it into the developers' Integrated Development Environments (IDE), at the time they need it to make design decisions. This allows them to reduce their effort in knowledge acquisition and to increase the quality of their code. CROSSMINER uniquely combines advanced software project analyses with online IDE monitoring. Developers will be monitored to infer which information is timely, based on readily available knowledge stored earlier by a set of advanced offline deep analyses of related OSS projects.

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News from LemonLDAP::NG, Clément Oudot, Savoir-faire Linux

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LemonLDAP::NG is a free WebSSO software providing an authentication portal, an authorization agent and supports protocols like CAS, OpenID Connect or SAML 2.

It is a pure community project, supported by OW2 and other organizations like French Gendarmerie Nationale and Savoir-faire Linux.

We will present the brand new version of LemonLDAP::NG : 2.0.

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FusionDirectory webservice serving OW2 Platform, Benoit Mortier, Opensides

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OW2 is an independent, global, open-source software community. The mission of OW2 is to a) promote the development of open-source middleware, generic business applications, cloud computing platforms and b) foster a vibrant community and business ecosystem.
OW2 developments follow a flexible, component-based approach. These components range from specific software frameworks, protocols and applications through to integrated, service-oriented platforms for enterprise computing.
Our mission was to make an audit on the existing LDAP Directory, to review schemas and data modeling, to develop a plugin for community management and community projects and eventually, to do an intensive testing and correction of the webservice.

OW2 wanted to reorganize all its IT infrastructure. They were facing a major issues : users data were distributed in a database and an ldap directory, thus no single source of identification and authentication. Management was difficult and did not allow an easy access to data.

Thank to FusionDirectory, a flexible web application able adapt to existing applications rather than interferring with them, and particularly through its Webservice, OW2 is now able to:

- create users through FusionDirectory
- reset password from xwiki through FusionDirectory
- account recovery from xwiki through FusionDirectory
- easier account management for ow2 staff

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Cloud ethics and the Zero Knowledge Revolution, Caleb James DeLisle, XWiki SAS

Today webapps and cloud services are becoming more and more significant in our everyday lives. As a result we upload an increasing amount of our private information to the cloud and after it is uploaded, we lose control of how it will be used. Zero Knowledge is the revolutionary idea that cloud services can make themselves voluntarily ignorant of the content which they host. Webapps have traditionally avoided encryption because it is currently impossible to verify a webapp. You just have to trust that the webapp creator isn't serving you a special insecure version of the app. But if the webapp creator served everybody an insecure version, they would certainly be caught in the act. So although we cannot prove a webapp to be secure, we can prove that it is not built for mass data collection.

Zero Knowledge is about changing the discussion around cryptography from the stuff of spy novels to a very basic thing we all care about: How can we know that the services we are using are being ethical with our data.

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