Free video course covering all Network+ objectives. Excellent for subnetting, VLANs, and routing fundamentals.
Cisco's free network simulation tool. Great for practicing switch/router configs without physical hardware.
Official GNS3 docs covering installation, topology building, and integrating real IOS images.
Step-by-step subnetting guide with visual diagrams. Best free resource for mastering CIDR and VLSM.
Top-down practical deep learning course. Covers CNNs, NLP, and tabular data with PyTorch and fastai.
Build neural networks from scratch in pure Python. Covers backprop, GPT, and tokenization deeply.
Official docs for Transformers, Diffusers, Datasets, and PEFT. Essential reference for fine-tuning workflows.
Browse and pull LLMs for local inference. Supports Llama, Mistral, Gemma, Phi, and more.
Wendell Odom's definitive CCNA prep book. Covers all exam topics with practice questions and labs.
Official pfSense docs. Covers firewall rules, VLANs, VPN, traffic shaping, and HA setups.
Track experiments, log metrics, and manage model versions. Essential for reproducible ML workflows.
Interactive browser-based neural network visualizer. Great for building intuition about layers and activations.