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
606 projects · 13 streams · every class
What do you want to build?
36 projects
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
Teaching and Learning · Lesson Experiments
Compare two ways of teaching the same lesson
Teach one topic by lecture to one group and by activity to another, and compare a quiz.
- 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
Applied Mathematics + Civil Engineering
Model traffic flow with cellular automata
Simulate cars on a ring road and show how jams appear from nothing above a critical density.
- Advanced
- 1–2 weeks
- Free
Industrial and Manufacturing + Operations, HR and Supply Chain
Analyse and reduce waiting time at the canteen
Time each step of the canteen queue, find the bottleneck and test one improvement.
- Intermediate
- 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
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
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
EdTech and Study Tools + Data
Analyse quiz data to find what a class misunderstands
Use anonymous quiz results to find which questions and wrong answers reveal misconceptions.
- Intermediate
- 1–2 weeks
- Free
Public Health and Epidemiology · Healthcare Management
Study how a hospital or clinic manages its queue
With permission, time each stage of an outpatient visit and suggest how to cut waiting.
- Intermediate
- 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
Teaching and Learning · Curriculum Design
Design a week of lessons on one topic
Write five linked lesson plans with objectives, activities and a final assessment.
- Intermediate
- 1–2 weeks
- Free
Teaching and Learning · Curriculum Design
Compare assessment methods
Compare written exams, projects and oral tests on fairness, stress and what they measure.
- 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
0 to compare
Compare