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17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
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Master enterprise AI and data engineering on Databricks through hands-on lakehouse architecture, Delta Lake pipelines, MLflow tracking, generative AI with LLMs, and production MLOps governance.
Master production-grade data engineering in Rust, building ETL pipelines, serverless functions, SQL/NoSQL systems, and GCP deployments through hands-on, project-driven courses with real workloads.
Explore HelixDB, a Rust-native graph and vector engine, mastering HelixQL schema design, graph traversal, vector search, hybrid-RAG patterns, and typed Rust client integration in one unified process.
Explore IAC fundamentals using OpenTofu and Forjar, covering plans, lifecycle, drift detection, policy gates, testing, and state security across ten feature comparisons.
Discover how to navigate the Hugging Face ecosystem to find, evaluate, and deploy pre-trained ML models for text, image, and audio tasks across 500,000+ options without training from scratch.
Explore GitHub Models to evaluate, select, and integrate AI models, build FastAPI endpoints, manage rate limits, and deploy production-ready AI applications using GitHub Codespaces and Azure AI.
Master AI code governance with GitHub Copilot—validate, audit, and secure AI-generated code, configure custom rules, and select the right LLM for production workflows.
Master GitHub security by configuring 2FA, managing permissions with least-privilege principles, and implementing enterprise governance controls for accounts, repositories, and organizations.
Master Git and GitHub from setup to pull requests, then automate workflows with AI agents using MCP, GitHub Actions, and CI/CD pipelines in this hands-on, end-to-end guide.
Master AI-augmented workflows using GitHub Copilot for test-driven development, system-wide refactoring, and infrastructure-as-code generation with Ansible, Docker, and Terraform.
Master building intelligent applications with Amazon Bedrock—explore foundation models, implement APIs in Bash and Rust, create knowledge bases, and construct autonomous agents with RAG capabilities.
Master building AI-powered data pipelines with Deno, covering task automation, git quality gates, standalone binary compilation, and dependency vendoring for production-ready, reproducible workflows.
Master memory-efficient fine-tuning of 7B parameter models on consumer hardware using QLoRA, transformers, and rigorous scientific validation methods in Rust.
Master building an AI-powered code review bot with GitHub Actions, using LLMs to automate pull request feedback, from prompt engineering to GitHub Marketplace publishing.
Master AI orchestration across local and cloud environments—build prompt engineering pipelines, deploy models with Ollama and llamafile, optimize GPU inference in Rust, and design cost-effective workflows using AWS Spot instances.
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