Xylora uses Mercury Workshop's libcurl-transport 1.4.0, licensed under the GNU AGPL version 3. The unmodified transport and build instructions are available at its corresponding source revision. Xylora's initialization wrapper is also available under the GNU AGPL version 3.
The transport bundle includes libcurl.js 0.7.0, licensed under the GNU LGPL version 3 or later. Its corresponding source and build instructions are available from its authors.
Scramjet v2 uses libcurl-transport 2.0.6, also under the GNU AGPL version 3. Its corresponding source and build instructions are available from Mercury Workshop. It bundles libcurl.js 0.7.5; its corresponding source is available under the GNU LGPL version 3 or later.