Programming · Python
Build a number guessing game in Python
Write a game where the computer picks a number and tells the player "higher" or "lower".
- Beginner
- 1–3 hours
- Free
606 projects · 13 streams · every class
Technology projects 42
Coding, AI, data, security and hardware projects for school computer science, college courses and your portfolio. Most need only a computer and free software.
42 Technology projects
Programming · Python
Build a Snake game
Program the classic Snake with scoring, growing length and game over.
- Easy
- 2–7 days
- Free
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
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
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
Cybersecurity + Pure Mathematics
Implement classic ciphers and break them
Write Caesar and substitution ciphers, then crack them with frequency analysis.
- Easy
- 2–7 days
- Free
Cybersecurity · Authentication
Build a password strength checker
Score a password's strength, explain why, and estimate how long it would take to guess.
- Easy
- 2–7 days
- Free
Programming · Python
Make a to-do list app that saves to a file
Build a command-line task manager that adds, completes, deletes and saves tasks between runs.
- Easy
- 2–7 days
- 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
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
Programming · Python
Automate a boring task with a script
Write a script that renames and sorts a messy folder of files by type and date.
- Easy
- 2–7 days
- Free
Artificial Intelligence · NLP
Build a rule-based chatbot for school FAQs
Answer common questions about your school with keyword matching and a fallback reply.
- Easy
- 2–7 days
- 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
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
Programming · Python
Build a calculator with a graphical interface
Make a desktop calculator with buttons, a display and keyboard support.
- Easy
- 2–7 days
- 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
Programming · Python
Build a Markdown-to-HTML converter
Write a tool that converts headings, lists, links, bold and code blocks from Markdown to HTML.
- Intermediate
- 2–7 days
- Free
Artificial Intelligence + Teaching and Learning
Predict student marks from study habits
Survey classmates anonymously and model how sleep, study hours and screen time relate to marks.
- Intermediate
- 1–2 weeks
- Free
Data · Data Engineering
Clean a messy real-world dataset
Take a messy government dataset and produce a clean, documented version with a script.
- Intermediate
- 2–7 days
- Free
Artificial Intelligence · Time-Series
Detect anomalies in sensor data
Flag unusual readings in a temperature or power series using rolling statistics.
- Advanced
- 1–2 weeks
- Free
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