Packet Tracer can be downloaded in the following link https://www.netacad.com/resources/lab-downloads?courseLang=en-US just scroll down to the Learning resources section and follow the instructions.
For Cisco Modelling Labs (CML) you should follow the following tutorial on how to access CML.
And this other on how to design and test a lab using CML
The simulation is based in Cisco hardware running in one of their datacenters so a VPN connection is needed using OpenConnect
pkt file with the topology of the 1st scenario to open in packet tracer
pkt file with the topology of the OSPF scenario to open in packet tracer
YAML file with the topology of the 1st scenario to import in CML (if you whish to use CML)
YAML file with the topology of the BGP scenario to import in CML
Virtual Machine with Floodlight for VmWare
Virtual Machine with Floodlight for Virtualbox (ova format)
If you DO NOT USE the VM the following files can be used:
Project Boilerplate (Floodlight with the module to change ready to import in to Eclipse)
Eclipse for Java (Linux)