⚡ Built by Arju Singh · Free for everyone

Everything You Need

One vault for the AI, coding & career resources, free LLM API keys, and hand-picked tools I actually use. Library files are ₹99 · $4 each — the API keys & links are free.

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0
Resources
Curated Links
234+
Free AI Models
What's inside

Three things worth your time

Everything here is curated and kept up to date — the API keys and links are free, and Library files are a flat ₹99 · $4 each.

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The Library

A vault of guides, prompt packs, roadmaps, cheat sheets and templates across AI, Claude, coding, design & careers — ₹99 · $4 per file, emailed instantly.

82 resources · 11 categories
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Free LLM API Keys

Direct links to working API keys for 234+ free models across 25 providers — Gemini, GPT, Claude, Llama, DeepSeek & more. No credit card.

234+ models · 25 providers
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Links

Hand-picked websites, GitHub repos, Google Docs, Notion pages & communities — separated by type so you find things fast.

Who built this

About Arju Singh

AS

Arju Singh

Software Engineer · Generative-AI Engineer

I'm a software engineer who builds and ships end-to-end products — across the MERN stack, Flutter and TypeScript — and wires LLMs (Claude, Gemini, OpenAI), the Model Context Protocol, and CI-driven delivery into real product workflows. I've shipped across rental discovery, legal tech, pet care, food-health, security tooling and AI agents. Founder & CEO of PetsCare.Club (100+ active users), taught 60+ developers as a software instructor, and interned with the Government of India (MoHUA) on smart-city dashboards. B.Tech in Information Technology, GJUS&T Hisar. This site is where I keep everything useful I've collected — and give it away free.

React / Next.jsNode / ExpressFlutterTypeScriptPython LLM APIsMCPPrompt EngineeringFirebase / SupabaseOWASP / Security three.jsDocker · CI/CD

SentryScan

Security

Full-stack web security auditor — OWASP Top 10, TLS/headers, headless-Chromium rendering, secret & dependency scanning. Node/Express + Playwright, CI-wired.

Jarvis

AI Agent

Voice assistant that runs online or fully offline — Whisper + Claude/ElevenLabs online, Ollama (Qwen) + Piper offline, with MCP tools & long-term memory.

FoodFat

Flutter App

Scans packaged-food barcodes/labels and returns a 0–100 health score, NOVA level & additive risk. Open Food Facts + Claude Vision fallback.

MarketStack

AI Marketing

Ingests a GitHub repo + domain and runs 41+ marketing skills (CRO, SEO, ads, 90-day GTM) grounded in the real product, generated by Claude.

Brandio

Social Toolkit

Self-hosted social-media suite — AI backgrounds, template post/caption generation, and scheduled publishing to Meta, X & LinkedIn. Dockerized microservices.

PetsCare.Club

Founder

Live pet-care marketplace connecting owners with vets & groomers — booking, community, provider dashboards. Scaled to 100+ users.

FAQ

Frequently asked questions

Do I need an account?
No accounts, ever. Browsing is open. To buy a Library file you just enter your email at checkout — we email you a secure download link you can reuse for 30 days.
How much do resources cost?
Each Library file is a flat ₹99 in India or $4 internationally — pay once via Razorpay and the download link is emailed instantly. The Free LLM API keys and the Links directory are completely free.
Who is this for?
Anyone building with AI or breaking into tech — developers, founders, job-seekers and creators.
Can I reach Arju?
Yes — via arjusingh.com, LinkedIn, GitHub, or email.