Born in a classroom.
Built for the world.
NoteHub started with a simple frustration — you can't listen and write at the same time. So we built a platform where quality notes are shared, ranked on Google, and read globally.
100+
Notes published
40+
Contributors
8+
Subject collections
Free
Always & forever
How it started
A first-semester student at Graphic Era Deemed to be University realised the classroom forced an impossible choice. That student was Abhijeet Singh Rajput — and NoteHub is what he built instead of accepting the problem.
The problem appears
In the very first semester at Graphic Era Deemed to be University, midterms arrived without warning. Professors lectured — students had to choose between writing notes or actually understanding the content. There was no good middle ground.
What if notes were shared?
Instead of every student scrambling to write everything down, what if one person wrote quality notes and everyone benefited? NoteHub was conceived as that shared layer — a place where knowledge compounds.
100+ notes, one platform
Abhijeet started writing. Machine Learning, DSA, DAA, Data Science, Frontend System Design — note by note, the library grew. Then other contributors joined: Vikash, Naveen, Divya, Gyan, Himanshu, Aditya, and many more.
A platform with real reach
NoteHub now hosts notes from 40+ contributors, with SEO tooling that gives every article a real chance at Google ranking. Students and developers publish here to reach a global audience — not just their classmates.
More than a note-taking app
NoteHub gives your writing the infrastructure it deserves — SEO tooling, health checks, and ranking signals built right in.
Global exposure
Every note you publish gets its own SEO-optimised URL, Open Graph tags, structured data, and sitemap entry — discoverable by anyone on the internet.
Article health check
NoteHub analyses your articles for readability, structure, and completeness. Know exactly where your content needs improvement before you publish.
SEO report
Get a full SEO score for every note — title length, meta description, keyword density, heading hierarchy, internal links, and more. All in one dashboard.
Smart notifications
NoteHub alerts you when your article's SEO score drops, when there are broken links, or when you have opportunities to improve ranking.
Built-in search indexing
Your notes are automatically indexed in NoteHub's full-text search engine and submitted to Google via dynamic sitemaps — no manual effort needed.
Rank on Google
With structured data, canonical URLs, LLMs.txt support, and Core Web Vitals optimisation baked in, your notes are built to rank — not just exist.
Quality over quantity
Every note on NoteHub is written by someone who actually studied the topic — not scraped, not generated. Real students, real understanding.
Shared knowledge
40+ contributors have written notes across DSA, ML, Data Science, SQL, React, Node.js, and more. One good note benefits hundreds of students.
Free, forever
NoteHub has never charged a rupee and never will. Knowledge shouldn't have a paywall, especially for students figuring things out.
The creator

Abhijeet Singh Rajput
aka Mr. Codium
Admin · FounderA final-year MCA student and MERN stack developer. He built NoteHub from scratch — backend, frontend, SEO pipeline, everything.
Featured collections
Ready to get global exposure?
Create an account, write your first note, and let NoteHub handle the rest.