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AI Tools for Professionals
Master the best AI tools to 10x your productivity at work — from writing and research to coding and design.
ChatGPT API Masterclass
Learn to build production-ready AI applications using the OpenAI API. From basic completions to function calling and RAG.
Claude Certified Architect: Foundations Exam Prep
Free course to pass Anthropic's Claude Certified Architect, Foundations exam. Build a production Claude app for an EdTech company across 8 sections and 23 lessons.
n8n Workflow Automation
Build powerful automated workflows without code. Connect apps, trigger actions, and automate repetitive tasks using n8n.
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Latest Articles
Ghostty 1.4 Explained: 90% Less Memory, Full Kitty Graphics, and ghostty +ssh
Ghostty 1.4 cuts terminal memory up to 90%, adds full Kitty graphics with animation, a built-in ghostty +ssh wrapper, and better Claude Code support.
Python's JIT Is Being Removed: PEP 836 Withdrawn, What 3.15 and 3.16 Mean for You
PEP 836 was withdrawn on Oct 19, 2026, so Python's experimental JIT is leaving CPython's main branch. Here's what changes in 3.15, 3.16, and what doesn't.
gpu-unlock Explained: Up to 80% More FP16/BF16 Speed on RTX 3090/3080
gpu-unlock is a free Linux kernel mod that removes Nvidia's FP16/BF16 tensor cap on RTX 30 GPUs, up to 80% more BF16 throughput on a 3090 Ti. Here's the real breakdown.
Testimonials
What Learners Say
The n8n course saved me hours every week. I automated my client onboarding in a single afternoon.
Priya S.
Freelance Designer
Finally, an AI course that skips the fluff. I built a working WhatsApp chatbot before finishing the first module.
Arjun M.
Software Developer
Clear explanations, real projects. Coderefer made automation feel approachable even for a non-coder like me.
Kavitha R.
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