Open Brain Tools | Interactive Computer Science Tools

Interactive Topics

Each tool is free, browser-based and ready to use in the classroom or at home. From logic gates to graph algorithms, from binary arithmetic to assembly programming — explore Computer Science hands-on.

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Open Brain Lab

Four workspaces on one stage.

🧩Programming
⚡Circuits
🚦Logic
🔀Flowcharts

Guided step-by-step missions in every workspace.

Missions & the Lab →

Graphstation

Build and explore graphs. Visualise Dijkstra, A*, DFS, BFS, Euler paths and TSP step-by-step.

Graphstation →

Logic Circuit Builder

Build and test logic circuits using gates and Boolean algebra expressions.

Launch Logic Circuit Builder →

Generate printable GCSE and A Level worksheets.

Open Worksheet Generator →

Little Man Computer

Assembly-style programming with memory visualisation.

Launch LMC Simulator →

Algorithms Visualiser

Sorting and searching step-by-step. See the code highlight as algorithms run.

Launch Visualiser →

Working with Binary

Number bases, addition and two's complement.

Number Bases → Binary Addition → Representing Images → Representing Sound → Two's Complement →