Best Free CS: Theory Courses & MOOCs

Coursera

University of California, San Diego,Higher School of Economics - HSE University

Advanced Algorithms and Complexity (Coursera)

CS: Software Engineering CS: Theory

Step up your algorithmic skills with our Advanced Algorithms and Complexity course. Dive into intricate problem-solving techniques, including network flows, optimal matchings, and disjoint paths. Perfect for those ready to advance beyond the basics and explore sophisticated applications in various fields like computer vision and scheduling.

Oct 26th 2026

5-12 Weeks

Algorithms Data Structures Machine Learning

Coursera

University of California, San Diego

Biology Meets Programming: Bioinformatics for Beginners (Coursera)

CS: Software Engineering CS: Theory

Dive into the fascinating world where biology meets programming with 'Biology Meets Programming: Bioinformatics for Beginners.' This course is designed to introduce you to the basics of bioinformatics, teaching you how to apply programming (specifically Python) to solve complex biological problems. Whether you're a student, researcher, or simply curious about the intersection of science and coding, this course will equip you with essential skills in algorithm implementation and problem-solving within a biological context.

Oct 26th 2026

4 Weeks

Health Biology Programming

Coursera

University of California, San Diego

Data Structures and Performance (Coursera)

CS: Theory Data Science

Unlock the secrets of efficient Java programming with our 'Data Structures and Performance' course. Designed for intermediate learners, this course will teach you advanced techniques to handle vast amounts of data effectively. Gain insights into optimizing algorithms and data structures for large-scale applications, ensuring your software performs at its best.

Oct 26th 2026

5-12 Weeks

Programming Java Algorithms

Coursera

Hebrew University of Jerusalem

Build a Modern Computer from First Principles: From Nand to Tetris (Project-Centered Course) (Coursera)

CS: Software Engineering CS: Theory

Embark on an exciting journey to construct a fully functioning general-purpose computer in six engaging projects. This hands-on course breaks down the complexities of computer systems into understandable steps, allowing you to build from basic logic gates all the way up to a modern computer. Discover how computers work and are designed through practical application.

Oct 26th 2026

5-12 Weeks

Assembly Hardware Description Language Memory

Coursera

Universitat Autònoma de Barcelona

Sistemas Digitales: De las puertas lógicas al procesador (Coursera)

CS: Theory Engineering

Sumérgete en el fascinante mundo de los Sistemas Digitales con nuestro curso práctico. Desde las básicas puertas lógicas hasta el diseño y comprensión de procesadores, este curso te guiará a través del proceso de creación de circuitos digitales complejos. Aprenderás de manera interactiva y aplicarás conceptos clave para convertirte en un experto en diseño digital.

Oct 26th 2026

5-12 Weeks

Algorithms Engineering Digital Systems

Coursera

Stanford University

Divide and Conquer, Sorting and Searching, and Randomized Algorithms (Coursera)

CS: Software Engineering CS: Theory

Dive into the core concepts of computer science with our specialized online course on Divide and Conquer, Sorting and Searching, and Randomized Algorithms. This course is designed for those who want to understand how to efficiently manage large datasets and solve complex computational problems using advanced techniques. Learn about asymptotic notation, sorting algorithms like Merge Sort and QuickSort, searching methods such as Binary Search, and the power of randomized approaches.

Oct 26th 2026

4 Weeks

Programming Algorithms Matrix

Coursera

Stanford University

Graph Search, Shortest Paths, and Data Structures (Coursera)

CS: Theory

Dive into the world of advanced data structures and graph algorithms with our Graph Search, Shortest Paths, and Data Structures course. This specialized program is designed for those looking to deepen their understanding of essential concepts like heaps, balanced search trees, hash tables, bloom filters, and more. Explore practical applications in connectivity and shortest path analysis, and discover how these principles can be applied to solve complex problems across various fields.

Oct 26th 2026

4 Weeks

Algorithms Data Structures Computer Science

Coursera

Stanford University

Greedy Algorithms, Minimum Spanning Trees, and Dynamic Programming (Coursera)

CS: Software Engineering CS: Theory

Dive into the world of efficient problem-solving with our specialized online course on Greedy Algorithms, Minimum Spanning Trees, and Dynamic Programming. This course is designed for those who want to enhance their algorithmic skills and learn how to tackle intricate computational challenges effectively.

Oct 26th 2026

4 Weeks

Programming Algorithms Clustering

IT Fundamentals for Business Professionals: Hardware (edX)

EdX

Universitat Politècnica de València,UPValenciaX

IT Fundamentals for Business Professionals: Hardware (edX)

Security & Networking

Dive into the basics of Information Technology with our introductory course, 'IT Fundamentals for Business Professionals: Hardware'. This comprehensive program is part of an extensive series designed to equip you with the fundamental knowledge needed to navigate the world of IT. Whether you're new to IT or looking to refresh your understanding, this course will provide you with a solid foundation in computer hardware and its critical role within business information systems.

Self Paced

Self-Paced

Hardware Information Technology Information Systems