Software Development · APIs
Build a weather app using a public API
Show current weather and a five-day forecast for any city using a free weather API.
- Intermediate
- 2–7 days
- Free
606 projects · 13 streams · every class
Technology projects 78
Coding, AI, data, security and hardware projects for school computer science, college courses and your portfolio. Most need only a computer and free software.
78 Technology projects
Artificial Intelligence · Deep Learning
Classify handwritten digits with a neural network
Train a small neural network on the MNIST digits and study where it goes wrong.
- Intermediate
- 1–2 weeks
- Free
Programming · Java
Build a library management system
Manage books, members, issue and return with fines, backed by a database.
- Intermediate
- 2–4 weeks
- Free
Artificial Intelligence + Statistics and Probability
Predict house prices with linear regression
Use a public housing dataset to predict price from size, rooms and location.
- Intermediate
- 2–7 days
- Free
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
Artificial Intelligence · NLP
Detect spam messages with a text classifier
Train a model on a public SMS dataset to separate spam from normal messages.
- Intermediate
- 1–2 weeks
- Free
Software Development · Frontend
Make a personal portfolio website
Design and publish a fast, mobile-friendly site that shows who you are and what you have built.
- Easy
- 2–7 days
- 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
Data · Databases
Design a database for a hostel or library
Model a real system as tables, normalise it and answer ten questions with SQL.
- Intermediate
- 1–2 weeks
- Free
Data · Data Analytics
Explore a dataset and tell its story
Pick a public dataset, ask five questions of it and answer each with a chart.
- Easy
- 2–7 days
- 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
Robotics, IoT and Hardware + Mechanical Engineering
Design a mechanical part in CAD and simulate its stress
Model a bracket, apply a load in simulation and redesign it to be lighter and still strong.
- Intermediate
- 1–2 weeks
- Free
Software Development · Mobile Apps
Build a habit tracker with streaks
Create an Android app to tick off daily habits and see streaks and a calendar heat map.
- Intermediate
- 1–2 weeks
- Free
Robotics, IoT and Hardware + Environmental Science
Monitor air quality with a low-cost sensor
Build a particulate monitor, log readings and compare them with the nearest official station.
- Advanced
- 2–4 weeks
- 1,000–2,500
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
Robotics, IoT and Hardware + Earth Science
Build a weather station that logs data
Measure temperature, humidity and pressure every few minutes and chart them online.
- Intermediate
- 2–4 weeks
- 1,000–2,500
Programming + Pure Mathematics
Write classic sorting algorithms and race them
Implement bubble, insertion, merge and quick sort and plot how their running time grows.
- Intermediate
- 2–7 days
- 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
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