Tech Lectures & Courses
Step-by-step course tracks organized strictly by domain and YouTube channel playlist. No mixed lectures, no confusing jumps.
OS
CS Fundamentals32 sequential lectures • Channel course track
100 Days of Machine Learning
ML (Machine Learning)CampusX134 sequential lectures • Channel course track
Generative AI using LangChain & LLMs
GenAICampusX21 sequential lectures • Channel course track
Backend Engineering from First Principles
Backend DevPiyush Garg31 sequential lectures • Channel course track
Complete Modern Full Stack & MERN Bootcamp
Full StackSheryians Coding School13 sequential lectures • Channel course track
Complete C++ Placement DSA Course
Data Structure & Algorithm (DSA)YouTube Playlist149 sequential lectures • Channel course track
Competitive Programming Guidance
Competitive ProgrammingYouTube Playlist8 sequential lectures • Channel course track
System Design (Beginner)
System DesigncodestorywithMIK15 sequential lectures • Channel course track
System Design (Intermediate)
System DesigncodestroywithMIK59 sequential lectures • Channel course track
Strivers A2Z-DSA Course | DSA Playlist | Placements
Data Structure & Algorithm (DSA)YouTube Playlist200 sequential lectures • Channel course track
CSS
Web DevBro code1 sequential lectures • Channel course track
DBMS
CS Fundamentals22 sequential lectures • Channel course track
CN Playlist
CS FundamentalsKunal Kushwaha1 sequential lectures • Channel course track
System Design (Advanced)
System DesignJordan has no life60 sequential lectures • Channel course track
Java DSA Series
Data Structure & Algorithm (DSA)Love Babbar (Code Help)122 sequential lectures • Channel course track
System Design (Advanced)
System DesignGaurav Sen26 sequential lectures • Channel course track
Chai aur Javascript
Web DevChai aur Code51 sequential lectures • Channel course track
DSA Playlist
Data Structure & Algorithm (DSA)YouTube Playlist193 sequential lectures • Channel course track
OOPS
CS Fundamentals16 sequential lectures • Channel course track
All In One (OS+DBMS+OOPS+CN)
CS FundamentalsDev. Shivansh Vasu1 sequential lectures • Channel course track
System Design (Interview)
System DesignHello Interview17 sequential lectures • Channel course track






![Lecture 5: System Calls in Operating System [Theory + Example + Hands-on Terminal]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2Flo8Z61qCDqQ%2Fhqdefault.jpg&w=3840&q=75)










































































































































































































































![Lecture 10: Solving LeetCode/CodeStudio Questions [Arrays]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FoVa8DfUDKTw%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 11:Time & Space Complexity || How to avoid Time Limit Exceeded [TLE]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FQovOdd80A4s%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 12: Binary Search Explained in 1 Video [Theory + Code]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FYJeoQBevNVo%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 13: Binary Search Interview Questions [Google, Amazon, Microsoft] || ProblemSet - 1](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FzD2Jg3alZV8%2Fhqdefault.jpg&w=3840&q=75)
![Lecture14: Binary Search Interview Questions [Google, Amazon, Microsoft] || ProblemSet - 2](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F6z2HK4o8qcU%2Fhqdefault.jpg&w=3840&q=75)

![Lecture16: Selection Sort [Theory + Code] || C++ Placement Series](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FUdO2NeHB46c%2Fhqdefault.jpg&w=3840&q=75)

![Lecture 17: BUBBLE SORT in 1 Video [Theory + Optimised Code] || Best/Worst Case Complexity](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FzOhUavxlzw4%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 18: INSERTION SORT in 1 Video [Theory + Code] || Best/Worst Case Complexity](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F7kIVfVY6Axk%2Fhqdefault.jpg&w=3840&q=75)

![Lecture 20: Solving LeetCode/CodeStudio Questions [Arrays]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FMPvr-LmaZmA%2Fhqdefault.jpg&w=3840&q=75)
![Lecture21: Solving LeetCode/CodeStudio Questions [Arrays]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FZ7_nMTHROZo%2Fhqdefault.jpg&w=3840&q=75)


















![Lecture37: Recursion - Subsets / Subsequences of String [Theory + Code]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FV0IgCltYgg4%2Fhqdefault.jpg&w=3840&q=75)










![Lecture47: Detect & Remove Loop in Linked List [Approach Discussion + Optimised Implementation]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FVxOFflTXlXo%2Fhqdefault.jpg&w=3840&q=75)





![Lecture 53: Merge Sort in Linked List [ Theory + Implementation ]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FrM5EEA_rbNY%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 54: Introduction to Stacks [Theory + Implementation] || C++ Placement Course](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F_6COl6V6mng%2Fhqdefault.jpg&w=3840&q=75)

![Lecture 56: Largest Rectangular Area in Histogram [Optimised Approach]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FlJLcqDsmYfg%2Fhqdefault.jpg&w=3840&q=75)



![Lecture 60: Queues in C++ [STL + Implementation + Types of Queues ]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FW7uB9-TKfTg%2Fhqdefault.jpg&w=3840&q=75)









































































![Lecture 130: Buy and Sell Stock [Part 1] || DP Series](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FBSRTUtvJSIk%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 131: Buy and Sell Stock [Part 2] || DP Series](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FdlKGCNVel6A%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 132: Buy and Sell Stock [Part 3] || DP Series](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FNW7XRzg3smo%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 133: Buy and Sell Stock [Part 4] || DP Series](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FtuhjovVtDII%2Fhqdefault.jpg&w=3840&q=75)
![Lecture 134: Buy and Sell Stock [Part 5] || DP Series](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FKFqhgQeQAXc%2Fhqdefault.jpg&w=3840&q=75)






























































































































































































































































































































































![WTF is MapReduce?? [Batch Processing] | Systems Design Interview 0 to 1 with Ex-Google SWE](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FlHp7M078nHo%2Fhqdefault.jpg&w=3840&q=75)
















![What Are Object Stores Used For? [S3] | Systems Design Interview 0 to 1 With Ex-Google SWE](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2F0lO2zEHFoh4%2Fhqdefault.jpg&w=3840&q=75)













































































































































































































































































































































































































































































