Acknowledgments & Copyrights

Our English vocabulary games have been created thanks to many fantastic tools, software and content:

Web application and software: (propriertary license)

Words base: New General Service List (Browne, Culligan and Phillips) / CC BY 3.0 with some our extensions and modifications. (see more details here)

Words category system: (propriertary license)

Web framework: Web2Py, LGPL license version 3, link to site

Javascript library: jQuery, MIT license, link to site

Audio library: jPlayer, MIT license, link to site

Penguin image in games: © Anna Velichkovsky – /, ribbon by@westock from (Public Domain)

“Word Guess” game background image: © nearbirds –

“True or False” game background image: © nearbirds –

“Native Translation” game background image: © Christos Georghiou –

“English Translation” game background image: © auris  –

Main page theme: Responsive theme, GNU GPLv3 license, link to site

Game sounds: library: Drum roll by TDR – Freeware license library: success 2 by fins, negative_beeps by themusicalnomad, Jazzy Chords by NenadSimic – CC0 1.0 Universal (CC0 1.0)  Public Domain Dedication