A growing library of free ebooks, prompt packs, cheat sheets and a hand-curated directory of the best AI tools for business — built from training 10,000+ professionals across India, the UAE, the UK and the US.
Written by Nirmal Rabari. 100% free — direct PDF download, no email required.
The complete A-to-Z guide to prompt engineering by Nirmal Rabari — frameworks, roles, context, constraints and 20+ worked examples used in corporate workshops.
By Nirmal Rabari
Nirmal Rabari's playbook for building an AI-ready workforce — adoption frameworks, productivity systems, role-wise use cases and a 90-day rollout plan.
By Nirmal Rabari
The complete profile, training methodology, certifications and expertise areas of Nirmal Rabari — perfect for L&D heads evaluating trainers.
By Nirmal Rabari
Copy-paste prompt libraries — read & copy directly, no signup.
Hand-curated. Updated quarterly. 90+ tools.
OpenAI's flagship assistant — strongest all-rounder.
Anthropic's assistant — best for long docs and careful writing.
Google's assistant — native Workspace integration.
AI answer engine with live citations.
xAI's assistant with real-time X data access.
Open-weights reasoning model, very low cost.
European AI assistant from Mistral.
Chat with multiple top models in one place.
AI inside your docs and wiki.
Tone, clarity and grammar.
Marketing copy and workflows.
Enterprise brand-voice content.
Generative AI for enterprise brand teams.
AI for fiction writers and storytellers.
Rewrite and refine any sentence.
Make your writing bold and clear.
Highest-quality AI image generation.
OpenAI image generation in ChatGPT.
AI design for everyone.
Commercially-safe AI imagery.
Best-in-class AI text rendering in images.
Game and concept art generation.
Real-time AI image and video generation.
AI for vector, icons and brand graphics.
One-click AI background removal.
Free open-source AI image upscaler.
Edit video by editing text.
World-class AI voice cloning.
Generative video and editing.
AI avatars and video translation.
AI avatar videos for L&D and marketing.
Text- and image-to-video generation.
Generate full songs from a prompt.
AI music generation with vocals.
Open-source speech-to-text from OpenAI.
AI meeting notes and transcripts.
Free AI meeting recorder & summarizer.
Turn long videos into viral short clips.
Self-hostable workflow automation for AI agents.
Visual no-code automation.
The classic — 6,000+ app integrations.
Build AI teammates without code.
Personal AI assistants for any workflow.
Visual AI workflow builder.
Framework for multi-agent AI teams.
Build LLM apps and agents with code.
AI pair programmer.
AI-first code editor.
Build full apps by chatting with AI.
Generate React UIs from prompts.
Prompt-to-app in your browser.
Cloud IDE with built-in AI agent.
Agentic AI code editor from Codeium.
Private AI code completion for teams.
Ultra-fast inline code completion.
AI-native terminal for developers.
Chat with your own documents.
AI research assistant for papers.
Evidence from peer-reviewed research.
AI highlights and YouTube summaries.
Smart citations for academic research.
Ask questions across your PDFs.
Chat with any PDF instantly.
Neural web search built for AI.
AI-powered lead enrichment and outbound.
AI sales engagement & prospecting.
AI email coach for sales reps.
AI-driven on-page SEO optimisation.
All-in-one SEO and competitive research.
Backlinks, keywords and content gap analysis.
AI presentations, docs and webpages.
AI-generated decks for storytelling.
Check if your accounts are in a breach.
Open-source password manager.
Team password & secrets manager.
Modern access security.
End-to-end encrypted email and drive.
Zero-config VPN for teams.
Multi-device 2FA authenticator.
Industry-standard web pentesting toolkit.
Open-source network scanner.
Deep packet inspection and network analysis.
The pentester's operating system.
Hands-on cyber security training labs.
Yes — every ebook, prompt pack and cheat sheet is 100% free. Direct download, no email gate, no signup.
Nirmal Rabari is one of India's leading AI trainers and corporate AI consultants, with 10,000+ professionals trained across India, the UAE, the UK and the US on ChatGPT, Generative AI, Prompt Engineering, AI Automation and Cyber Security.
The directory curates 80+ AI tools across conversational AI, image, video, audio, agents, automation, sales/marketing, productivity, dev tools and cyber security — updated quarterly.
Yes — across every major Tier 1 and Tier 2 city in India and online globally. See city pages under /ai-trainer.
Yes — all prompt packs are licensed for personal and internal company use. Just don't repackage and resell them.
Direct PDF downloads. Share with your team, your students, your founders' WhatsApp group — no strings attached.
All PDFs authored by Nirmal Rabari · NMR Infotech Pvt. Ltd.
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