Daniel Green
I build practical tools, product ideas, and research projects.
I work across product thinking, AI, data, email infrastructure, and software experiments — with a focus on what's useful, testable, and worth building.
Product ideas
I like turning rough concepts into working products — from lead-gen tools and workflow apps to AI helpers that solve a real problem.
Research & analysis
My work often sits at the intersection of data, experimentation, and decision-making — especially around finance, time series, and practical tooling.
Practical systems
I build automation, internal tools, APIs, and experiments across web apps, email tooling, backtesting, and general software projects.
Selected work
Product ideas, AI experiments, and tools built around real use cases.
StackMatch
A business discovery app for finding companies by location and industry, checking site quality, and surfacing contact details.
Quantex
An open-source Python library for building, backtesting, and deploying quantitative trading strategies.
MailLink
A service-account email tool for managing Gmail, Outlook, and SMTP workflows with webhooks and message handling.
Mailbox Migration Tool
A Rust IMAP migration utility that preserves folder structure, dates, and read state during mailbox transfers.
Writing & research