Public Policy and Governance + Software Development
Build a civic-tech prototype to report local problems
Build a site where residents mark potholes or broken lights on a map and track their status.
- Intermediate
- 2–4 weeks
- Free
606 projects · 13 streams · every class
What do you want to build?
53 projects
We couldn't find an exact match. These are the closest 53, found by leaving out the time limit.
Or look inTwo-subject projectsHelp me choose
Software Development + Applied Mathematics
Create a school timetable generator
Generate a clash-free timetable from teachers, subjects, rooms and periods.
- Advanced
- 1–3 months
- Free
Software Development · Developer Tools
Contribute a fix to an open-source project
Find a beginner-friendly issue, fix it and get your pull request merged.
- Intermediate
- 2–4 weeks
- Free
Cybersecurity · Web Security
Find and fix vulnerabilities in a deliberately weak web app
Run a training app on your own computer, find the classic flaws, then write the fixed code.
- Advanced
- 2–4 weeks
- Free
Development and Applied Economics · Econometrics
Test whether education and earnings are related
Use a public survey dataset to estimate how much an extra year of schooling relates to earnings.
- Advanced
- 2–4 weeks
- Free
Graphic and UI/UX Design + Software Development
Redesign an app you use every day
Find real problems in an app through user tests, redesign one flow and prove your version is better.
- Intermediate
- 1–2 weeks
- Free
Health Technology + Software Development
Design an app that reminds elders to take medicine
Build a simple reminder app with large text and test it with an older relative.
- Intermediate
- 2–4 weeks
- Free
Games, Graphics and New Tech · Blockchain
Build a simple blockchain
Implement blocks, hashes, proof of work and validation to see how a chain resists tampering.
- Intermediate
- 1–2 weeks
- Free
Artificial Intelligence · Recommendation Systems
Build a movie recommender
Recommend films from the public MovieLens ratings using item similarity.
- Advanced
- 2–4 weeks
- Free
Artificial Intelligence + Agricultural Technology
Recognise plant diseases from leaf photos
Train a model on public leaf images to tell healthy leaves from diseased ones and test it on your own photos.
- Advanced
- 1–3 months
- Free
Software Development · Backend
Create a URL shortener with a database
Build a service that turns long links into short codes, redirects visitors and counts clicks.
- Intermediate
- 1–2 weeks
- Free
Artificial Intelligence · Machine Learning
Compare machine-learning models on one dataset
Evaluate five classifiers on the same public dataset with cross-validation and report the differences properly.
- Advanced
- 1–2 weeks
- Free
Software Development · Mobile Apps
Develop an attendance app with QR codes
Teachers show a changing QR code; students scan it to mark attendance, with safeguards against proxies.
- Advanced
- 1–3 months
- Free
Data · Data Engineering
Build a data pipeline that runs every day
Fetch a public data feed daily, clean it, store it in a database and chart the history.
- Advanced
- 2–4 weeks
- Free
Artificial Intelligence · Computer Vision
Build an image search engine
Find visually similar images by comparing feature vectors from a pretrained network.
- Advanced
- 2–4 weeks
- Free
Data · Big Data
Analyse a large open dataset with SQL
Load a multi-million-row public dataset and answer ten business questions with efficient queries.
- Advanced
- 1–2 weeks
- Free
Data + Operations, HR and Supply Chain
Build a sales dashboard
Turn a public retail dataset into a one-page dashboard that answers a manager's questions.
- Intermediate
- 1–2 weeks
- Free
Systems and Cloud · Containers
Containerise an application with Docker
Package one of your own apps and its database so anyone can run it with one command.
- Intermediate
- 2–7 days
- Free
Artificial Intelligence + Marketing
Cluster customers into groups
Group customers by spending behaviour with k-means and describe each group in plain words.
- Intermediate
- 1–2 weeks
- Free
Programming + Systems and Cloud
Build a tiny key-value store in Rust
Write a persistent key-value database with get, set and delete and an append-only log.
- Advanced
- 2–4 weeks
- Free
Sociology · Inequality
Compare two neighbourhoods using census data
Use census tables to describe occupation, literacy and housing in two wards and compare them.
- Advanced
- 2–4 weeks
- Free
Macroeconomics + Public Policy and Governance
Evaluate a government scheme from published data
Choose one scheme and test whether its target indicator improved after it started.
- Advanced
- 2–4 weeks
- Free
Electronics and Communication + Data
Filter noise from an audio recording
Record speech with a hum, find the hum's frequency and remove it with a digital filter.
- Intermediate
- 1–2 weeks
- Free
Data + Marketing
Mine association rules from shopping baskets
Find which products are bought together in a public transaction dataset.
- Advanced
- 1–2 weeks
- Free
0 to compare
Compare