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 | 3.2 | GPL |
| busybox | 1.13.1 | GPL |
| dropbear | 0.51 | MIT |
| e2fsprogs | 1.41.3 | GPL |
| glibc | 2.7 | LGPL |
| iptables | 1.4.2 | GPL |
| isdn4k-utils | 3.2p1 | GPL |
| lilo | 22.8 | BSD |
| ncurses | 5.6 | MIT |
| ppp | 2.4.4 | BSD |
| retawq | 0.2.6c | GPL |
For more information on the licenses, please visit the opensource.org website.