Purchase the pro version with extended ligatures and Opentype on Ultra Types.
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Sifonn Basic / Sifonn Outline
Basic versions come with default character set and basic features.
Both are available to download by tweeting this content.
If you appreciate this project, you can also consider using Paypal.
Choose your price to get both styles.
If you have any issues downloading the font, please contact me at hello(at)rafagoicoechea.info