The software packages that are part of ttylinux are licensed under a number of different open source licenses, as listed below. The initialization and system service scripts developed by the ttylinux project are licensed under the GNU General Public License; a copy of this license is included in the file COPYING.
| Package | Version | License |
| bash | 4.2 | GPL |
| busybox | 1.19.3 | GPL |
| dropbear | 0.53.1 | MIT |
| e2fsprogs | 1.42.1 | GPL |
| glibc | 2.9 | LGPL |
| iptables | 1.4.12.2 | GPL |
| lilo | 23.2 | BSD |
| ncurses | 5.7 | MIT |
| ppp | 2.4.5 | GPL |
| retawq | 0.2.6c | GPL |
For more information on the licenses, please visit the opensource.org website.