Free courses

Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 8 different subject areas. Our courses are available to start right away.

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Grid List Results: 297 items
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Potable water treatment free course icon Level

Science, Maths & Technology

Potable water treatment

Without it we are dead! Water is essential, but what processes must it go through to become fit for human consumption? This free course, Potable water treatment, will guide you through the continuous cycling of water between land, open water surfaces and the sea before moving on to an overview of the water treatment and supply process.

Free course
20 hrs
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An introduction to e-commerce and distributed applications free course icon Level

Science, Maths & Technology

An introduction to e-commerce and distributed applications

What is e-commerce? This free course, An introduction to e-commerce and distributed applications, will look at typical application areas including the internet, supply chain management and online auctions. It will also help you to understand the underlying technologies used to implement e-commerce applications before looking at some of the ...

Free course
8 hrs
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The digital scholar free course icon Level Badge icon

Education & Development

The digital scholar

Digital scholarship is a shorthand for the intersection of three technology related developments: digital content, networked distribution and open practices. It is when digital, networked and open intersect that transformational practice occurs. In this free course, The digital scholar, you will explore the impact of digital technologies on ...

Free course
24 hrs
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Linear programming – the basic ideas free course icon Level

Science, Maths & Technology

Linear programming – the basic ideas

This free course examines the formulation and solution of small linear programming problems. Section 1 deals with the formulation of linear programming models, describing how mathematical models of suitable real-world problems can be constructed. Section 2 looks at graphical representations of two-dimensional models, considers some theoretical ...

Free course
16 hrs
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The molecular world free course icon Level

Science, Maths & Technology

The molecular world

From diamonds to dynamite, everything involves a chemical reaction. This free course, The molecular world, introduces you to the concepts and principles that underpin chemistry at the molecular level. Everyday experiences are used to help you to understand the more complex issues.

Free course
20 hrs
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IT: e-government free course icon Level

Science, Maths & Technology

IT: e-government

You can now access government directly through the web. While studying this free course, IT: e-government, you look at the scope of e-government, the databases that are necessary, the use of biometrics in identification and verification of identity, and assess the usability and accessibility of websites.

Free course
20 hrs
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Medical statistics free course icon Level

Science, Maths & Technology

Medical statistics

This free course is concerned with some of the statistical methods used in epidemiology and more widely in medical statistics. Section 1 introduces cohort studies in which individuals are classified according to their exposure and followed forward in time to evaluate disease outcomes. Section 2 looks at models for cohort studies. Section 3 ...

Free course
16 hrs
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Starting with maths: Patterns and formulas free course icon Level

Science, Maths & Technology

Starting with maths: Patterns and formulas

Patterns occur everywhere in art, nature, science and especially mathematics. Being able to recognise, describe and use these patterns is an important skill that helps you to tackle a wide variety of different problems. This free course, Starting with maths: Patterns and formulas, explores some of these patterns, from ancient number patterns ...

Free course
5 hrs
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Forensic science and fingerprints free course icon Level

Health, Sports & Psychology

Forensic science and fingerprints

This free course, Forensic science and fingerprints, covers how science can make fingerprints easier to study, how they are used in court and some of the questions about the extent to which fingerprint identification is sound and scientific. Students will learn the principles used in classifying and matching fingerprints (often called marks).

Free course
10 hrs
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Presenting information free course icon Level

Science, Maths & Technology

Presenting information

Tables and charts are a great way to present numerical information in a clear and concise form. This free course, Presenting information, explains how to use the Windows calculator to carry out basic operations and calculate percentages. You will then learn how to use charts and tables to represent and interpret information.

Free course
3 hrs
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The Big Bang free course icon Level

Science, Maths & Technology

The Big Bang

This is the way the world ends / Not with a bang but a whimper.' (T.S. Eliot) But how about the way the world begins? Was this the biggest bang of all? This free course The Big Bang will introduce you to the theory of the Big Bang and will present the three main lines of experimental evidence that support this theory.

Free course
20 hrs
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The evolving Universe free course icon Level

Science, Maths & Technology

The evolving Universe

The Big Bang is said to be the origin of our Universe. This free course, The evolving Universe, will help you to comprehend what happened in the moments immediately after the Big Bang and during the initial cooling period. You will also gain an understanding of how this event turned in to the Universe we live in today.

Free course
12 hrs