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Kailash Nadh

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Kailash Nadh is the CTO of Zerodha and a developer of open-source tools for newsletters, dictionaries and small web interfaces. He co-founded FOSS United to support free software communities in India.[1][2]

Start with Listmonk →
Kailash Nadh

Education

Middlesex University

BSc in Computer Science

Completed 2008

[2]
Middlesex University

PhD in Artificial Intelligence and Computational Linguistics

2009 – 2011

[3]

Links

Website GitHub Research

Co-founder · FOSS United

CTO · Zerodha

Background

Nadh obtained a BSc in Computer Science in 2008 and a PhD in Artificial Intelligence and Computational Linguistics in 2011 from Middlesex University. His doctoral work modeled associative memory using groups of simulated neurons, investigating tasks including language processing and spatial memory.[2][3]

Career

Nadh says he started Zerodha’s technology team in 2013 and has served as CTO since then. He also co-founded FOSS United in 2020 to support free and open-source software communities in India. His personal projects extend that interest into software people can host and modify themselves. His project archive dates Listmonk to June 2019 and DictPress to August 2019, followed by the Telegram-to-website archiver tg-archive in 2021 and Oat in January 2026. These are distinct tools for publishing and operating information, rather than a single company product attributed to him.[2][4][4]

Contributions

Listmonk combines a newsletter dashboard and mailing-list management in one application backed by PostgreSQL. DictPress publishes dictionaries through websites and an API, storing entries and relationships in SQLite and allowing language-specific search tokens. Oat styles native HTML elements with plain CSS and JavaScript, avoiding a framework dependency.[5][6][7]

Ideas

In his January 2026 essay “Code is cheap. Show me the talk.”, Nadh argues that polished code and documentation no longer reveal the effort or judgment behind a project when models can generate them quickly. He describes using coding assistants to try ideas that previously cost too much time, while shifting his attention toward architecture, review and explanation. For open-source maintainers, he says provenance and accountable authorship become more valuable: someone still has to understand, validate and stand behind a contribution. This extends the practical emphasis of his small, self-hostable tools into a question about how software communities judge work.[8]

Tools, writing & talks

Tools

  • Start here

    Listmonklistmonk.app

    A self-hosted newsletter and mailing-list manager with a dashboard and PostgreSQL storage.

    Start with the live demo to understand the subscriber and campaign workflow. Running your own instance requires a server and PostgreSQL.

    Personal project listed by its author[4][5]Original source
  • rconceptnetgithub.com

    Rust CLI and server that serve the ConceptNet knowledge graph locally from a SQLite store.

    Catalog workOriginal source
  • gtbumpgithub.com

    Utility for bumping and managing git semantic version tags, with Markdown changelog generation.

    Catalog workOriginal source
  • TinyTabsknadh.github.io

    JavaScript library around 750 bytes gzipped that renders tabbed UIs with zero dependencies.

    Catalog workOriginal source
  • Git Barsgithub.com

    Command-line utility that draws git commit activity as bar charts in the terminal.

    Catalog workOriginal source
  • Floatype.jsknadh.github.io

    Tiny zero-dependency autocomplete widget that floats suggestions over textareas for inline completions.

    Catalog workOriginal source
  • Autocomp.jsknadh.github.io

    Zero-dependency JavaScript autocomplete and suggestions library weighing about 800 bytes.

    Catalog workOriginal source
  • Dictpressdict.press

    Dictionary publishing software with website templates, an administration interface and a search API.

    Personal project listed by its author[4][6]Original source
  • OTPGatewaygithub.com

    Standalone server for OTP and address verification flows with pluggable email, SMS, and bank penny-drop providers.

    Catalog workOriginal source
  • Niltalkgithub.com

    Disposable web chat server shipped as a single Go binary, offering ephemeral rooms with no signup.

    Catalog workOriginal source
  • tg-archivegithub.com

    Exports Telegram group chats into searchable static websites in the style of a mailing-list archive.

    Catalog workOriginal source
  • oatoat.ink

    A small interface library that styles semantic HTML with dependency-free CSS and JavaScript.

    Personal project listed by its author[4][7]Original source

Writing, research & talks

References

Latest source check 2026-10-28

  1. [1] knadh (Kailash Nadh) · GitHub

    github.com · Checked 2026-10-28

  2. [2] Kailash Nadh / Personal homepage - Developer, Tinkerer, Absurdist

    nadh.in · Checked 2026-10-28

  3. [3] Research - nadh.in

    nadh.in · Checked 2026-10-28

  4. [4] Personal projects - nadh.in

    nadh.in · Checked 2026-10-28

  5. [5] GitHub - knadh/listmonk: High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app. · GitHub

    github.com · Checked 2026-10-28

  6. [6] dictpress - Build and publish dictionaries for any language

    dict.press · Checked 2026-10-28

  7. [7] Oat - Ultra-lightweight, semantic, zero-dependency HTML UI component library

    oat.ink · Checked 2026-10-28

  8. [8] Code is cheap. Show me the talk. - nadh.in

    nadh.in · Checked 2026-10-28

Kailash Nadh | VibeLeaderboard