The old “T with pencil” DfontSplitter icon is from the Oxygen Icon set and is licensed under the Creative Commons BY-SA 3.0 Unported licence.
The icon includes a modified version of “Chisel wood 24mm” by Isabelle Grosjean, which is also licensed as such. The “T with chisel” DfontSplitter icon is licensed under the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
