Aprelendo was built using the following free and open source tools:
- PHP, by The PHP Group
- JQuery, by the JQuery Foundation
- Apache, by the Apache Software Foundation
- Bootstrap, by Bootstrap Core Team
- Readability, by Mozilla (used to fetch texts from web sources)
- Subtitles parser, by Anton Bazhenov.
- EpubJS, by Futurepress (used to render epub files)
- EPUBCheck, by DAISY Consortium on behalf of W3C (used to validate epub files)
- Chart.js, by Chart.js Team (used to render statistics charts)
Other attributions:
- Font Awesome, by Dave Gandy
- Flag icons designed by Freepik
- Frequency lists by Hermit Dave
- Logo by Flaticon
- Theme based on Solid, by Blacktie
- Wallpaper by JD X from Unsplash