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.
10 USD or more
A commercial version with support for color fonts. It comes with upgrades for one year.
* 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)|
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.