Blender is an open-source software for animation, 3D modelling and playback.
Blender 2.6.3A is powerpc friendly (10.5) and it can be download from here: http://download.blender.org/release/Blender2.63/
As most of you know, most of these softwares are discontinued.
Nmap – (Network Mapper) is an open source tool for network exploration and security auditing. It was designed to rapidly scan large networks, although it works fine against single hosts.
Nmap 5.51 TEST2 – PowerPC – https://secwiki.org/w/Nmap/Mac_OSX_PPC
MorphOS is a lightweight, highly efficient and flexible desktop operating system. It includes primarily proprietary as well as open – source components.
Here is a list os hardware requirement/compatibility – http://www.morphos.de/hardware
If you have an extra PowerPC machine and you are looking for some challenge go forward.
Download link –http://www.morphos-team.net/
You guys know the drill, before you try anything, please, make sure to back up everything important or everything.
P.S.: Files: http://morphos-files.net/index2.php
PostgreSQL is a powerful, open source object-relational database system.
* PostgreSQL – PowerPC 10.5/Leopard – http://www.postgresql.org/