Voilà turns Jupyter notebooks into standalone web applications

The open source, pluggable, nosql benchmarking suite.

Drag-and-drop Python webapps

This directory contains a templates for you to build your own system.

A long-form analytics article on why KPIs fail when the denominator silently changes. Covers denominator contracts, eligibility vs observed vs attempted populations, drift/coverage failure modes, mix shifts, time alignment, and a practical audit checklist to design decision-safe ratio metrics that don’t lie.

Joint project of subjects Open-source Technologies and Stream Mining of the Data Science MSc program at ELTE

Splunk lab detecting SSH brute-force attacks using failed login events, alerts, and dashboards.

A Dashboarding Application Server written in C#.

This project is currently at realization and mainly consists of : *Extract - Transform - Load : Apply ETL process on Clients financial databases (based on Sage 100 ERP) to centralize it into a local data warehouse using Talend . *Data warehousing : Establish the architecture and relations of different components of the data warehouse making it r…

A library that helps with embedding dynamic and generative images into Plotly Dash applications.

Reusable R notebooks, scripts, and tools for applied data work and evaluation — built for use in the field across health, gender, climate, and education programs.

Metabase hosted on Amazon ECS Fargate

Processed sales data (CSV, JSON, Parquet) into Snowflake using medallion architecture. Created stage, bronze, silver, and gold layers to support performance-tuned data models and built a sales dashboard to visualize metrics.

Applied data analytics and data science projects focused on transforming raw data into actionable insights, predictive models, and business decisions. The portfolio showcases end-to-end workflows using Python, SQL, Power BI, and statistical modelling, covering problem definition, data preparation, analysis, modelling, and stakeholder-ready insights

Project involves the analysis of grocery sales data from BlinkIT, to derive insights and visualize key metrics using Power BI. The dataset contains fields such as Item Fat Content, Item Identifier, Item Type, Outlet Establishment Year, Outlet Identifier, Outlet Location Type, Outlet Size, Outlet Type, Item Visibility, Item Weight, Sales, Rating.

Chiral Narrative Synthesis workspace for Thinker/Tinker LoRA pipelines, semantic fact-checking, telemetry, and reviewer-ready CNS docs.

Running Voila apps in ShinyProxy

This project separates the backend from the Streamlit frontend, providing a robust API built with FastAPI. It includes comprehensive backend testing and endpoint testing using Pytest, ensuring the reliability and accuracy of the API services.

Interactive Tableau dashboard analyzing global air pollution trends by country, pollutant type, and year. Visualizes disparities, emissions patterns, and improvements over time.