Zappy
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Open Source

A collection of my open source projects. Feel free to explore, contribute, or use them in your own work.

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voltax

A polyglot open-source payment SDK designed to unify African payment infrastructure.

TypeScript
13
1

gptalks

This an unofficial mobile app for ChatGPT. It is built using React Native and TypeScript.

TypeScript
5
5

chatgpt-whatsapp

A simple WhatsApp bot that uses OpenAI's ChatGPT to respond to user inputs. Includes a cron to enable ChatGPT to send messages to recipients at periodic intervals.

TypeScript
94
38

chatalog

AI-powered WhatsApp order management for Ghanaian SMEs.

Python
1
0

vi-upper

A small API to download videos from S3 (Minio or AWS S3) and merge them into one

Python
0
0

gptalks-api

The backend API of the GPTalks mobile app

JavaScript
2
3

plant-chat-mobile

No description available

TypeScript
0
0

Want to Collaborate?

I'm always open to interesting projects and collaborations. Let's build something amazing together.

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Currently open to senior backend and fintech engineering roles. Remote-first.

Contact

emmanuel@noelzappy.dev

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© 2026 Emmanuel Noel Zappy Yeboah. Based in Accra, Ghana.