We use WordPress as a web development framework, building high scale web applications and large web projects. Being fully involved in the development of WordPress applications, we contribute back in various ways - submitting patches to the WordPress Core, building free WordPress plugins and themes, translating WordPress, helping out in the support forums and more!
Over the course of the past 5 years we have digested WordPress from the inside out, which allowed us to learn a lot about both the technical stack (in terms of extensibility, performance, stability) and the Community - an integral part of the platform running over 25% of the Internet.
Having built hundreds of WordPress plugins for clients, we are actively giving back by submitting some of our extensions to the WordPress.org plugin repository. Here's a list with some of our free WordPress plugins!
DX Plugin Base 
DX Sources 
Easy Image Gallery 
Offer Calc 
DX localhost 
DX Delete Attached Media 
DX RSS Feed 
DX Out of Date 
DX Category Reports 
Simple Blog Authors Widget 
Activity Notifications for BuddyPress and HipChat 
DX Share Selection 
DX Getty Images oEmbed 
Our team has submitted more than 50 patches since WordPress 3.7 to the WordPress Core - various improvements and features that you can get for free .
We participate in discussions and conversations regarding the future of WordPress, the upcoming features and changes to the Core codebase which allows us to be reactive in case of a business problem and proactive when it comes to predicting it for our WordPress development accounts.
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Over the past few years DevriX has submitted 50+ plugins to WordPress.org, maintained by our main account or through our developers.
In addition to that we have contributed fixes, enhancements and complete features to numerous 3rd party Open Source plugins, extensions, libraries and tools which help developers, business owners and users all over the world.
WordPress Development Retainers
Our lead contributors have been involved with co-organizing events such as WordCamp Sofia and WordCamp Europe, as well as local WordPress meetups.
We have presented at, volunteered, sponsored and helped co-organizing Contributor days at WordCamps in Europe and the US. Mario has also mentored different WordCamp organizers in Europe, Asia and Africa and facilitated the communication and organization efforts.
Maintenance PlansWe love working closely with the WordPress community, both hacking code, speaking, volunteering, sponsoring, talking shop or sharing knowledge with WordPress peers.
Over 70,000 web development hours dedicated to making the WordPress Core better.
Our team has in-depth experience with more than a hundred WordPress projects. We contribute back to WordPress – the Core, themes, plugins and patches to various projects – value the code quality and strive for higher technical standards.
We have co-organized WordCamps, meetups and Contributor Days around the world, participated in debates and round tables regarding the future of CMS and WordPress.
We mentor new contributors and help business owners and beginner users interested in WordPress. Additionally, we hack together with other activists heavily involved with the development and growth of WordPress.
Hire a professional technical WordPress development agency for your next big challenge.