Source code under the GNU GPL or a binary version that allow you to create fonts under the SIL Open Font license.
5 USD or more
A version suitable for commercial fonts with upgrades for one year. The version you purchase will continue to work even after the one year period.
10 USD or more
A commercial version with support for color fonts and OTF fonts. It comes with upgrades for one year and the version you have will continue to work even after the one year period.
* Runs on Windows Vista and Mac OS 10.6, or later.
** Runs on Windows 7 and Mac OS 10.12, or later.
|Monochrome SVG fonts|
|Color fonts, OpenType SVG|
|OTF fonts (OpenType CFF)|
|Color fonts, COLR/CPAL|
Your support for the Birdfont project is important. Even small sums makes a huge difference.
You will get upgrades for as long as your subscription lasts plus one year.