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 69
Coding, AI, data, security and hardware projects for school computer science, college courses and your portfolio. Most need only a computer and free software.
69 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 · 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
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
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
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
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
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
Programming + Cybersecurity
Make a file encryption tool
Encrypt and decrypt files with a password using a well-tested library.
- Intermediate
- 2–7 days
- 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
Systems and Cloud · Networking
Build a chat system on raw sockets
Write a server and client that exchange messages over TCP with several users.
- Intermediate
- 2–7 days
- Free
0 to compare
Compare