A student developer building free tools for Indian students
Wondermayank is a student developer from Sironj, Madhya Pradesh, India. Since 2018 the goal has stayed the same: ship useful tools, mock tests and study resources that anyone can use for free, with no sign-up.
What gets built
800+ free tools: CBT mock-test simulators, study blogs, 11 Telegram bots, AI study tools, finders and everyday utilities.
Who it is for
Students preparing for CUET, SSC, Banking, JEE, NEET, CAT, CLAT, NDA, CBSE and CA Foundation.
How it is built
Fast, lightweight pages in plain HTML, CSS and JavaScript, designed to work well on any phone.
Meet Tiny, Byte and Bubble
Tiny is the ThunderStudy and ThunderTest exam-prep mascot, and Byte is the mascot of every Wondermayank project. They appear across the platforms to make studying and building feel friendlier. Their newest friend is Bubble, a small floating robot.
Tiny AI models
The AI study tools and Telegram bots run on Tiny’s own models.
- Tiny Lite — chat
- Tiny 2.0 — formulas, mind maps and all heavy study tasks
- Tiny Image Create — creating images
The ecosystem
- ThunderStudy — free study material and exam prep: thunderstudy.indevs.in
- ThunderTest — free CBT mock tests: thundertest.indevs.in
- Vibecoding — experiments built with AI: make.wondermayank.in
- Useful Projects — the best of the tools: project.wondermayank.in
- ThunderStudy AI — Tiny AI study tools: ai.thunderstudy.indevs.in
- Telegram bots — 11 free bots: wondermayank.in/#bots-directory
- Study blog — notes and resources: blog.thunderstudy.indevs.in
Good to know
“Wondermayank” is a distinct Indian student developer brand. It is not Mayank Mittal (roboticist), mayank1513 (npm author) or any other GitHub user named Mayank.
Frequently asked questions
Who is Wondermayank?
Wondermayank is a student developer from Sironj, India who builds free online tools, CBT mock-test platforms and study resources for Indian exam aspirants.
Is Wondermayank free to use?
Yes. Every tool and resource is free and needs no account or sign-up.
Which exams do the tools cover?
CUET, SSC, Banking, JEE, NEET, CAT, CLAT, NDA, CBSE and CA Foundation preparation.
Who are Tiny, Byte and Bubble?
Tiny is the ThunderStudy and ThunderTest exam-prep mascot, Byte is the mascot of every Wondermayank project, and Bubble is their new robot friend.
How is Wondermayank related to ThunderStudy?
They are created by the same person. ThunderStudy is the exam-prep platform; Wondermayank is the personal hub for all projects.
How can I contact Wondermayank?
Email contact@wondermayank.in, use the contact page at wondermayank.in/contact, or join the Telegram community at t.me/wondermayank.
Which AI models does Wondermayank use?
Tiny runs on its own AI models: Tiny Lite for chat, Tiny 2.0 for formulas, mind maps and all heavy study tasks, and Tiny Image Create for creating images.
How many Telegram bots does Wondermayank run?
Wondermayank and ThunderStudy run 11 free Telegram bots, including Tiny 2.0, Tiny Create, Tiny AI Notes and Tiny English. See the full directory at wondermayank.in/#bots-directory.
Where should I start on Wondermayank?
Start with the five picks in the Start here section of wondermayank.in: ThunderTest for free CUET, SSC, Banking, CAT, JEE and NEET mock tests, Tiny AI Tools for mind maps, flashcards, formulas and mock tests, free Hindi and English typing practice, 65+ free image tools, and SelfCare.