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The 25 Most Promising Open Source Projects

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  • 1. www.af83.com af83 France The 25 most promising Open Source projects of 2010 15 rue poissonnière, 75002 Paris +33 1 42 72 33 32 contact@af83.com af83 USA 1436 A Howard St. Bruno Michel CA 94103 San Francisco United States WebWorkersCamp, La Cantine, 07/03/2010
  • 2. Introduction Bruno Michel Lead Developer R&D at af83 As Lead Developer R&D at af83, a significant part of Bruno's work is to test, create and contribute to cutting edge Web technologies, which allows him to anticipate the most promising open source projects. He is also the maintainer of numerous Web-centric projects based on Ruby. Active Member of the French Ruby Association, Bruno is also one of the webmasters of LinuxFr.org. http://github.com/nono http://twitter.com/brmichel http://blog.menfin.info/ Copyright © 2010 af83 All Rights Reserved 2
  • 3. Redis Key-value Store Project sponsored by VMWare Description Redis is an improved key-value store which complements DBMS for operations that require higher levels of performance. Redis is similar to Memcached, but brings a lot of improvements allowing Redis to act as the database. http://code.google.com/p/redis/ Advantages  Not only memory based, Redis allows the cache to be saved on disk  Ability to replace the database on several operations  PubSub mechanism for messaging Copyright © 2010 af83 All Rights Reserved 3
  • 4. MongoDB Document Database Provided by 10gen Inc. Description MongoDB is a document-oriented database that emphasizes scalability, replication, sharding and advanced operations. Advantages  Simple http://www.mongodb.org/  Fast  Very scalable  Ability to displace MySQL for most Web applications Copyright © 2010 af83 All Rights Reserved 4
  • 5. Riak Distributed key/value data store Provided by Basho Technologies Inc. Description Riak is a key-value store that is similar to CouchDB, due to the use of MapReduce, but provides better scalability. Advantages  Very easy to scale https://wiki.basho.com/display/RIAK/Riak  Adding servers requires very minimal operations with zero impact both on the server and client side Copyright © 2010 af83 All Rights Reserved 5
  • 6. Cassandra Distributed Database Developed by Facebook and now handled by the Apache Foundation Description Cassandra is a distributed database designed for very large data stores and scalability. Cassandra is close in design to Bigtable (Google) and Dynamo (Amazon). http://cassandra.apache.org/ Advantages  Very scalable  Combined with Hadoop, Cassandra allows optimized data processing base on the location of processes and data Copyright © 2010 af83 All Rights Reserved 6
  • 7. Neo4J Graph database Developed by Neo Technology Description Neo4J is a graph oriented database that is designed to store data that relates to networks. This type of database is especially useful to store information about individuals, products, buyers, transactions and the links between them. http://neo4j.org/ Advantages  A whole new way of representing data  Very useful to build recommendation engines Copyright © 2010 af83 All Rights Reserved 7
  • 8. Resque Redis-based Web-centric workqueue service Github project initiated by Chris Wanstrath Description Web application workloads are sometimes so high that answering users immediately is not possible. Web-centric workqueue like Resque allows for queuing operations while still giving feedback to the user. http://github.com/defunkt/resque Advantages  Based on Redis  Lots of plugins available for visualization, statistics, prioritizing and scheduling Copyright © 2010 af83 All Rights Reserved 8
  • 9. Beanstalkd Workqueue service Provided by Keith Rarick Description Beanstalkd is a web-centric workqueue whose design is inspired by Memcached: based on C, simple and high performance. Beanstalkd has clients for most programming languages. http://kr.github.com/beanstalkd/ Advantages  Fast  Simple  Interoperable Copyright © 2010 af83 All Rights Reserved 9
  • 10. Puppet Configuration Management System Provided by Puppet Labs Description Puppet allows for managing the configuration of a variety of Unix systems receipts that describe system configurations (users, services, detailed configuration). Puppet is based on client-server architecture, using a REST API. http://www.puppetlabs.com/ Advantages  Easy configuration management of numerous servers and clients  Cross-platform: puppet receipts are able to work on all Linux, *BSD and MacosX Copyright © 2010 af83 All Rights Reserved 10
  • 11. Chef Configuration Management System Provided by Opscode Inc. Description Chef is another Configuration Management System, based on Ruby. Advantages  Cross-platform: puppet receipts are able to work on all Linux, *BSD, Solaris and MacosX http://www.opscode.com/chef ● Provides more control over the receipts, especially due to the availability of metadata Copyright © 2010 af83 All Rights Reserved 11
  • 12. Vagrant Environment builder for Virtualbox Provided by Mitchell Hashimoto and John Bender Description Vagrant automatically builds a Virtualbox- based environment and then installs Puppet or Chef on each for automatic configuration. Advantages http://vagrantup.com/  Very useful for automatically deploying standardized development environments  Allows for faster deployment of virtualbox environments Copyright © 2010 af83 All Rights Reserved 12
  • 13. EventMachine Event-processing library for Ruby Github project Description Event-oriented extension for Ruby. Allows for the development of event-processing applications based on Ruby. Advantages  Good fit for scalable, performance oriented http://rubyeventmachine.com/ applications  Allows the development of realtime web applications with Ruby Copyright © 2010 af83 All Rights Reserved 13
  • 14. ErrorNot Error management service Provided by af83 Description ErrorNot is designed to improve error and exception management. ErrorNot does not send e-mails when exceptions occurs but rather builds an history of exceptions that developers are able to share. http://github.com/errornot/ErrorNot Advantages  Better error and exception management  Provides a full history on errors and exceptions Copyright © 2010 af83 All Rights Reserved 14
  • 15. Lamson Python SMTP Framework Provided by the Lamson Project / Zed Shaw Description Lamson is an SMTP Framework written in Python. Lamson includes specific libraries for mail services designed to enable the development of highly specialized mail-based services. http://lamsonproject.org/ Advantages  SMTP Framework  MVC  Supports the use of databases for mail services  Supports the creation of complex mail services Copyright © 2010 af83 All Rights Reserved 15
  • 16. Processing.js Open visualization language Originally developed by Ben Fry and Casey Reas, ported to Javascript by John Resig Description Port of the Processing library on Javascript, which creates graphs and animations. Advantages  Uses Javascript to draw and manipulate http://processingjs.org/ images based on HTML5's Canvas  Allows for the creation of images, animations and interactions without Flash or Java applets Copyright © 2010 af83 All Rights Reserved 16
  • 17. Strophe.js Libraries designed to build Browser- based XMPP clients Provided by StanzIQ Description HTTP is half duplex while XMPP is full duplex, which means that HTTP clients like Web browsers can not act natively as XMPP clients. Strophe.js solves the problem by allowing XMPP connections on Web browsers, using a pool of connections http://code.stanziq.com/strophe/ between the browser and a proxy using ejabberd. Advantages  Very useful to leverage Presence and Instant Messaging on Web applications Copyright © 2010 af83 All Rights Reserved 17
  • 18. Jasmine Javascript testing framework Provided by Pivotal Labs Description Jasmine is a testing framework that allows unit testing on Javascript applications. Advantages  Works both on the client and server-side  Easy to maintain due to a very clean code http://github.com/pivotal/jasmine base  Compliant with the Behavior Driven Development (BDD) model for testing: tests scripts are meant to be understandable Copyright © 2010 af83 All Rights Reserved 18
  • 19. http-console HTTP Read-eval-print-loop Provided by Alexis Sellier / Cloudhead.io Description http-console is command-line interface for http services. Advantages  Very good fit for debugging HTTP services,  Very useful to debug complex REST APIs http://github.com/cloudhead/http-console Copyright © 2010 af83 All Rights Reserved 19
  • 20. Dislocate Distributed service locator Provided by Paul Querna Description Dislocate aims to enable the discovery of new services on a network with high performance location of these services by clients. Advantages http://github.com/pquerna/ndislocate  Based on node.JS  Reduces the need of maintaining monitoring, DNS, and load balancers Copyright © 2010 af83 All Rights Reserved 20
  • 21. Humming Bird Real time Web traffic visualization tool Provided by Michael Nutt and Benny Wong Description Humming Bird is a realtime Web traffic visualizer based on Node.JS and MongoDB. The use of Node.JS allows for very high update rates. Advantages http://mnutt.github.com/hummingbird/  Pretty!  Updates data 20 times per second  Built on Node.JS and MongoDB  Focusing on specific pages or function is possible Copyright © 2010 af83 All Rights Reserved 21
  • 22. Realie Real-time collaborative code editor Provided by Lakshan Perera Description Realie allows for collaborative code edition and note taking. Advantages  Similar to Etherpad  Based on Node.JS http://github.com/laktek/realie Copyright © 2010 af83 All Rights Reserved 22
  • 23. Sass CSS3 Processor Provided by Hampton Catlin, Nathan Weizenbaum, Chris Eppstein and contributors Description Sass extends CSS with variables, functions and classes and is based on Ruby. Sass code is compiled to process CSS. http://sass-lang.com/ Advantages  Makes CSS development more like programming  Allows very sophisticated, cross-browsers uses of CSS like playing on brightness, contrast and color processing based on rules Copyright © 2010 af83 All Rights Reserved 23
  • 24. Less.js CSS optimizer Provided by Alexis Sellier / Cloudhead.io Description Less.js is a CSS optimizer that is close to Sass but has a different approach to syntax. Advantages  Brings variables to CSS  Fully compatible with CSS3 http://github.com/cloudhead/less.js Copyright © 2010 af83 All Rights Reserved 24
  • 25. ShakaCSS Bookmark-based grid management system Provided by Maxim Benadon / af83 Description ShakaCSS provides a set of tools to ease the development and debug of CSS stylesheets: a guide for photoshop style, a grid, resizable and draggable rule. http://shakacss.af83.com/ Advantages  Very efficient  One click installation using a bookmarklet  Store variables in a cookies allowing the navigation from one page to another while keeping the markers Copyright © 2010 af83 All Rights Reserved 25
  • 26. bcat Concatenator for Web browsers Provided by Ryan Tomayko Description Is a concatenator printing data to web browsers outputs. Advantages  Very useful for developers http://rtomayko.github.com/bcat/ Copyright © 2010 af83 All Rights Reserved 26
  • 27. Showoff Online presentation tool Developped by Scott Chacon Description Showoff is an online presentation tool written in Ruby. Advantages  Applies stylesheets and Javascript controls to presentations http://github.com/adamlogic/showoff  Slides are written with markdown Copyright © 2010 af83 All Rights Reserved 27
  • 28. www.af83.com af83 France 15 rue poissonnière, 75002 Paris +33 1 42 72 33 32 contact@af83.com af83 USA 1436 A Howard St. CA 94103 San Francisco United States

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