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
606 projects · 13 streams · every class
Technology projects 20
Coding, AI, data, security and hardware projects for school computer science, college courses and your portfolio. Most need only a computer and free software.
20 Technology projects
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
Systems and Cloud · System Design
Design the architecture of a food-delivery app
Design a system for orders, restaurants and delivery partners and justify each choice with numbers.
- Advanced
- 1–2 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
Data + Marketing
Mine association rules from shopping baskets
Find which products are bought together in a public transaction dataset.
- Advanced
- 1–2 weeks
- Free
Cybersecurity · Digital Forensics
Recover deleted files from a test drive
Delete files on a spare USB drive, image it and see what can be recovered and why.
- Intermediate
- 2–7 days
- 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
Artificial Intelligence + Earth Science
Forecast daily temperature with time-series methods
Forecast tomorrow's temperature from past data and beat the "same as today" baseline.
- Advanced
- 1–2 weeks
- Free
Cybersecurity · Secure Coding
Write a secure-coding checklist from real bugs
Study ten public security fixes in open-source projects and turn them into a review checklist.
- Intermediate
- 1–2 weeks
- Free
Cybersecurity · Authentication
Build a two-factor authentication demo
Add time-based one-time codes to a login page and explain how they are generated.
- Intermediate
- 1–2 weeks
- Free
Systems and Cloud · Linux
Build a simple shell
Write a command-line shell that runs programs, handles pipes and redirects output.
- Advanced
- 1–2 weeks
- Free
Software Development · APIs
Build a REST API for a bookstore
Design and document an API with endpoints for books, authors and orders, with tests.
- Intermediate
- 1–2 weeks
- Free
Systems and Cloud · DevOps
Deploy a website with continuous integration
Set up a pipeline that tests and deploys your site automatically on every push.
- Intermediate
- 2–7 days
- Free
Systems and Cloud · Operating Systems
Simulate CPU scheduling algorithms
Simulate first-come-first-served, shortest-job-first and round robin and compare waiting times.
- Intermediate
- 2–7 days
- Free
Programming · Go
Write a command-line expense tracker in Go
Build a fast command-line tool to add expenses, list them and summarise by month and category.
- Intermediate
- 1–2 weeks
- Free
0 to compare
Compare