Open source

We are active in developing open source software and contribute to open source projects. Here are some examples of open source projects by Echo Sierra Studio. 

Hailey CMS


Hailey CMS is our self-developed Customer Managment System.


Athena WordPress Plugin

WordPress, Plugin, Apps

Bridges the gap between WordPress and Athena Apps.


App, RSS Reader

Newsfeeder (also known as “feedfetish”) is a search engine and a modern RSS/Atom reader. This allows you to combine all your different news/ blogs, such as Reddit, Cnn, Lifehacker, etc. Having all your favorite websites, blogs in one place.


CC0 File Icons

Public Domain, SVG

Completely free, no attribution required, public domain CC0 file icons. Icon pack contains more than 70 file types. All icons have 3 different variants: black, white and one with a reddish background with a page fold.

70+ Icons • Public Domain

React Surfaces


A collection of animated background gradients. The background can be included directly as a component using React and displayed as animated SVG elements with native SVG animations (no CSS animations).

Other open source projects by Echo Sierra Studio

Pink Parrot Divi Theme

Illustrator Script Installer

Facebook Pixel Npm Package

Min/Max Heaptree Javascript Library

HITVIZ Javascript Performance Tool




A project in mind?

Do you have a project in mind and no idea where to start? Do you already have a product / service and would you like to get more out of it? Or do you just have a question?