Ada Computer Science
Free GCSE and A-level Computer Science resources and interactive study materials.
adacomputerscience.org
Students
Computer Science
Resources for Computing, programming, algorithms, data structures and mathematically informed Computer Science study.
15 resources
Craig ’n’ Dave
GCSE, IGCSE and A-level Computer Science videos, resources and study support.
craigndave.org
freeCodeCamp
Free programming, web development, data and software-development courses and tutorials.
freecodecamp.org
Harvard CS50x
Introductory Computer Science course covering programming, algorithms, data structures, software engineering and web development.
cs50.harvard.edu
Isaac Computer Science
Free online GCSE and A-level Computer Science platform for students and teachers.
isaaccomputerscience.org
MIT OpenCourseWare — Computer Science
Open MIT materials in Computer Science, programming, algorithms, systems and electrical engineering.
ocw.mit.edu
Open Data Structures
Free and open data structures and algorithms textbook with source code.
opendatastructures.org
Open Source Society University — Computer Science
Ambitious self-study Computer Science curriculum using freely available online courses and resources.
github.com
OpenDSA
Open materials for data structures, algorithms and related Computer Science courses.
opendsa-server.cs.vt.edu
Physics & Maths Tutor — Computer Science
GCSE and A-level Computer Science revision notes, topic resources and past-paper practice.
physicsandmathstutor.com
Teach Computing Curriculum
Free Computing curriculum resources for Key Stages 1–4, including KS3 and KS4 Computer Science.
teachcomputing.org
Teach Yourself Computer Science
Advanced self-study guide for serious Computer Science foundations beyond introductory programming.
teachyourselfcs.com
Teaching London Computing
Computer Science teaching activities and resources developed to support classroom Computing education.
teachinglondoncomputing.org
The Algorithms
Open-source collection of algorithms and data-structures implementations across programming languages.
the-algorithms.com
The Odin Project
Free web-development curriculum, useful for serious independent programming study.
theodinproject.com
Note. Resources are grouped by purpose rather than ranked. Inclusion does not imply endorsement, sponsorship or affiliation, and no commission is received for links on this site. External resources may change, so users should check suitability, accuracy, accessibility, copyright and access requirements before use.