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An open API service indexing awesome lists of open source software.

Data structures

A data structure is a particular way storing and organizing data in a computer for efficient access and modification. Data structures are designed for a specific purpose. Examples include arrays, linked lists, and classes.

https://github.com/yuvrajchandra/dsapractice

This repository contains topic-wise questions and solutions for DSA practice.

algorithms data-structures dsa mathematics

Last synced: 20 Jun 2026

https://github.com/faanid/leetcode-solutions

My solutions to LeetCode problems with explanations in TS

algorithm data-structures datastructures-algorithms dsa javascript leetcode-solutions typescript

Last synced: 20 Jun 2026

https://github.com/madmmas/java-concurrency-interview-practice

50 structured Java concurrency problems — beginner to expert — with JUnit 5 tests. Interview prep & hands-on learning.

concurrency data-structures interview-prep java java-concurrency junit5 locking maven multithreading thread-safety

Last synced: 21 Jun 2026

https://github.com/muntaha-islam0019/javaplayground

A collection of Java backend practice projects and coding exercises, exploring core OOP concepts, algorithms, data structures, and backend development patterns.

algorithms backend-development coding-practice data-structures intellij-idea java leetcode-solutions oop software-engineering system-design

Last synced: 22 Jun 2026

https://github.com/agrim123/algo-ds

Algorithms and Data Structures

algorithms computer-science data-structures

Last synced: 22 Jun 2026

https://github.com/scisamir/binary_trees

0x1D. C - Binary trees

algorithm binary-trees c data-structures

Last synced: 22 Jun 2026

https://github.com/bearlike/practising-dsa

I practise general Programming, Data Structures and Algorithms here.

data-structures practice-programming

Last synced: 22 Jun 2026

https://github.com/piratecoderz/dsa-final-project

University project for (DSA) using Java and MySQL. The Car Rental System features an Admin Panel for managing vehicles, customers, and rentals, Customer Portal for renting cars. DSA concepts like linked lists and queues and utilizes JDBC for database connectivity. A practical application of programming skills and database management.

algorithms data-structures data-structures-algorithms data-structures-and-algorithms dsa eclipse final final-project java java-8 mysql mysql-database mysql-workbench

Last synced: 22 Jun 2026

https://github.com/gulsum135/circular-doubly-linked-list

C konsol uygulaması: Rastgele indekslerle çift yönlü dairesel bağlı listede işlemler.

c-programming-language circular-list console-application data-structures linked-list

Last synced: 23 Jun 2026

https://github.com/azmansikder/algo-vault

A curated collection of classic and advanced algorithm implementations in C++ for learning, reference, and competitive programming.

algorithms cpp data-structures dynamic-programming learning

Last synced: 23 Jun 2026

https://github.com/rikcav/dsa

A collection of Data Structures and Algorithms implemented in Python.

algorithms bigonotation data-structures dsa python

Last synced: 23 Jun 2026

https://github.com/hackersa3edy/binary_trees

This repository contains C programs for various operations on binary trees, including node manipulation, tree traversal, and property checks (like height, depth, size, and balance factor).

algorithms alx-software-engineering binary-tree c c-language c-programming data-structures tree-traversal valgrind

Last synced: 24 Jun 2026

https://github.com/vivivivianne/bunarr

A simple c99 dynamic array implementation

c99 data-structures dynamic-array

Last synced: 23 Mar 2025

https://github.com/mahmoudnamnam/leetcode-problems

This repository contains my solutions to LeetCode's Daily Challenges and Study Plan problems. It's a resource where I share my approaches and solutions to various coding challenges found on LeetCode.

algorithms data-structures js mysql pandas python3

Last synced: 10 Apr 2026

https://github.com/jitesoft/php-datastructures

Misc data structures for php 7.4.2+.

data-structures datastructures hacktoberfest map math php

Last synced: 17 Jun 2026

https://github.com/rotedar/first.cpp

uri 100+ solve...

css data-structures

Last synced: 15 Mar 2025

https://github.com/salmanabdullahfahim/data-structure-algorithm

My Data Structure And Algorithm Learning Journey In C++

algorithms cplusplus data-structures

Last synced: 17 Jun 2026

https://github.com/gauravjuvekar/aint-safe

aint-safe - Lock-free async-interrupt-safe data structures

data-structures lock-free

Last synced: 21 Jul 2025

https://github.com/adogio/tilapia

:tropical_fish: A hackable modularized data-structure and algorithm lib for JavaScript

data-structures js tilalia

Last synced: 10 Apr 2026

https://github.com/wittyicon29/in-memory-db

An in-memory database using C++ is a system that stores data primarily in RAM for fast access and manipulation. It supports basic CRUD operations and may include features for concurrency control and optional data persistence.

data-structures oops-in-cpp regex

Last synced: 15 Mar 2025

https://github.com/hojat72elect/kotlin_data_structures_algorithms

Common algorithms and data structures implemented in Kotlin.

algorithms data-structures jvm kotlin

Last synced: 16 May 2025

https://github.com/networkflux/ft_containers

Let’s re-implement the standard C++ containers

algorithms complexity containers cpp data-structures

Last synced: 20 Jul 2025

https://github.com/tayyabasghar/dsa_semester_3

This repo has all the code that we learn in class. Data Structures and everything else. If you are a student of CS 2018 from UET, this might help you.

data-structures queue

Last synced: 08 Apr 2025

https://github.com/maks28atish03kumar04sahu01/java-game-series

Game Hub: Puzzles & Play is a diverse digital playground with captivating classics like Snake-fruit, tic-tac-toe, bricks breaker, pong, and Tetris. Developed with precision and accessible across devices using Java it offers seamless gaming enjoyment for all.

awt-gui bricksbreaker-game data-structures game-development game-logic java-8 pong-game problem-solving snake-fruit-game swing-gui tetris-game tic-tac-toe-game

Last synced: 13 Jun 2026

https://github.com/mustafahakkoz/tst_in_c

Ternary Search Tree in C language

data-structures search-trees

Last synced: 23 Mar 2025

https://github.com/clarete/algo

Campinho perto do corrego pra treinar lateral, bater falta, cobrar escanteio, e outros fundamentos da computacao

algorithms data-structures search-algorithm

Last synced: 24 Mar 2025

https://github.com/lukasondrejka/data-structures-census

C++ generic data structures and data structures for efficient census data access

census cpp data-structures

Last synced: 13 Mar 2025

https://github.com/billgewrgoulas/rtrees-and-spatial-data

Rtrees for storing spatial data.

data-structures pathfinding rtree

Last synced: 20 Apr 2026

https://github.com/shaheer2003/railway-ticket-portal

The Railway Ticket Reservation Portal is an automated train booking system that allows users to create accounts, search for train routes, book tickets, and manage reservations. It features an efficient hash-based login system, Dijkstra’s algorithm for shortest route calculation, and multiple seat class options.

c console-application cpp data-structures dijkstra dsa hashtable railway-reservation

Last synced: 02 May 2026

https://github.com/musheer7/java-enterprise-banking-system

Enterprise-style Core Java banking application using Java 8, OOPS, multithreading, DSA, design patterns, and financial mathematics.

banking-applications core-java data-structures design-patterns java java8 multithreading oops-in-java

Last synced: 26 May 2026

https://github.com/nkokor/red-black-tree

Implementation of Red-Black Tree data structure using Python

data-structures red-black-tree

Last synced: 21 Apr 2026

https://github.com/usmanmehmood55/queue

A queue implementation in C

buffer c data-structures queue

Last synced: 17 Jun 2026

https://github.com/doaaosamak/data-structure

Implementations of data structures.

data-structures java

Last synced: 04 Mar 2025

https://github.com/didogrigorov/hackerrank-python

A collection of Python solutions to HackerRank problems, organized by difficulty (Easy, Medium, Hard) and category (Algorithms, Data Structures, Mathematics). Ideal for learning, practicing, and mastering Python programming and problem-solving skills.

algorithms-and-data-structures coding-challenge coding-challenges coding-interviews data-structures hackerrank hackerrank-solutions problem-solving problem-solving-algorithms problemsolving programming python-3 python3

Last synced: 02 Sep 2025

https://github.com/ibchgenomic/datastructure-algorithms

my approach of solving the leetcode, interviewcode and other questions

data-structures python-3

Last synced: 30 Mar 2025

https://github.com/bekcodingaddict/leetcode

LeetCode is the best platform to help you enhance your skills, expand your knowledge and prepare for technical interviews.

algorithms coding-challenge coding-interviews data-structures interview-practice interview-preparation

Last synced: 14 Jun 2026

https://github.com/nafis2508/big-data-group-project

Python project implementing Nearest Neighbor and Skyline Query Search algorithms with R-tree data structures for efficient spatial indexing. Part of COMP6210 group project at Macquarie University.

2d-query-processing algorithm-optimization big-data branch-and-bound comp6210 computational-geometry data-structures divide-and-conquer nearest-neighbor-search python r-tree skyline-query spatial-data-structure spatial-indexing

Last synced: 31 Mar 2025

https://github.com/magnusrodseth/data-structures-and-algorithms

Code snippets from "The Ultimate Data Structures & Algorithms", a course by Code with Mosh.

algorithms algorithms-and-data-structures data-structures python python3

Last synced: 15 Mar 2025

https://github.com/mahmoud-elghonemy/datastructureandalgorithms

implementation data structure and algorithm using java

algorithms data-structures java

Last synced: 15 May 2025

https://github.com/ashgole/python-pyramids-solutions

Coding Battle Soution for Python Pyramids. This is done by my Team and me.

data-structures pyrami-solutions python python-programming

Last synced: 30 Mar 2025

https://github.com/yiduoyu/cps-2232-final-project

Car Rental Management System

data-structures java

Last synced: 06 Mar 2025

https://github.com/rurangiza/dojo

Learning data structures and algorithms

algorithms data-structures

Last synced: 18 Mar 2025

https://github.com/amir-hshahi/data-structures-course

Parsian gulf university course for algorithms and data structure.

computer-science data-structures data-structures-and-algorithms

Last synced: 31 Mar 2025

https://github.com/ashottadevosyan/cpp-learning-hub

This repository contains C++ tutorials on different topics. From implementing my own data structures, such as vector, linked list to other algorithms.

algorithms cpp data-structures

Last synced: 08 Apr 2025

https://github.com/jyun-neng/data_structure

Data structure practice using c++

data-structures

Last synced: 12 Apr 2025

https://github.com/exbotanical/lib.cartilage

classical implementations of list and ring data structures for the C programming language

data-structures dynamically-linked-library linked-list shared-object

Last synced: 05 Jan 2026

https://github.com/md-imtiaz-hossain/50-days_dsa_java_leetcode_practice_part-01

50 Days DSA Challeng with Java and practice with LeetCode

50daysofcode algorithm data-structures dsa java

Last synced: 25 May 2026

https://github.com/limon-s-interview-prep-zone/data-structure-algorithm

🚀 Welcome to the Ultimate Programming Language Features Repository! 🌟 This repository is a comprehensive collection of important features, concepts, and best practices across various programming languages like python, c++, c#.

cplusplus csharp data-structures python3 unity

Last synced: 10 Apr 2026

https://github.com/zeekersky/activities

This repository contains assignment solutions for various courses conducted at IIT Mandi. The content spans across different topics, including Data Structures and Algorithms (DSA), Computer Vision, and the Computer Science Practicum course.

algorithms algorithms-and-data-structures computer-science computer-vision cpp data-structures python3

Last synced: 19 Apr 2026

https://github.com/psidh/sophomore

Data Structures and Algorithms

algorithms c cpp data-structures java javascript python

Last synced: 10 Apr 2026

https://github.com/akashjitu18/dsa-programs

This repository contains implementations of various data structures and algorithms, including Arrays, Linked Lists, Stacks, Queues, Trees, Graphs

algorithms data-structures dsa-algorithm practice-programming

Last synced: 24 Mar 2025

https://github.com/mthszr/IF672

Implementação das Estruturas de Dados e resoluções das Listas de Exercicios

algorithms algorithms-and-data-structures data-structures

Last synced: 03 Oct 2025

https://github.com/shiva16/da

Data Analytics - Study materials

analytics data-analysis data-science data-structures

Last synced: 07 Feb 2026

https://github.com/gharib110/datastructures-in-go

Go package that implements useful data structures in go

data-structures go golang imported package

Last synced: 23 Mar 2025

https://github.com/sanchariii/ip-address

The main objective of this project is to make an algorithm that can search through data as fast as possible. This project is an implementation of data structures.

c-programming data-structures tree-structure

Last synced: 31 Aug 2025

https://github.com/gama1903/leetcode_practice

Targeted on specific class of data structure or algorithm.

algorithms cpp data-structures leetcode

Last synced: 30 Oct 2025

https://github.com/leonelbustamante/trabajo-practico-final-edat

Trabajo final de la materia Estructura de Datos 2022

data-structures estructuras-de-datos university

Last synced: 30 Jul 2025

https://github.com/romangw/compsci-python-references

A repo of every thing, note, and code assignment I've learned in my Computer Science course, compiled together for ease of access.

college-assignment data-structures ease-of-use templates

Last synced: 04 Sep 2025

https://github.com/skudriashev/data-structures

Python Data Structures implementation examples

data-structures python

Last synced: 24 Mar 2025

https://github.com/sami-bre/grokking_algorithms

a repo to hold code I wrote while going through the book "Grokking Algorithms by Aditya Bhargava". An amazing book :)

algorithms data-structures python

Last synced: 28 Mar 2025

https://github.com/topmbiw/best-websites-a-programmer-should-visit

Discover essential websites for programmers to enhance skills and stay updated. Contribute to this curated list on GitHub! 🌐💻

all-in-one awesome books coding-style collection competitive-programming data-structures fundamentals-of-programming hacktoberfest interview-practice java links programmer programming puzzle sites wiki wikipedia

Last synced: 29 Jun 2025

https://github.com/grandevx/ds_course_c

My Personal Joma DS Course problem Solution in C++

course cpp data-structures

Last synced: 08 Jun 2026

https://github.com/thomas-chqt/utilscpp

C++ Utility library

cpp data-structures utility

Last synced: 08 Jun 2026

https://github.com/raynard2010/aol-data-structures

This repository contains my answers for the AoL (Assurance of Learning) of COMP6048001 - Data Structures Course. The score I got for these answers is 100.

assurance-of-learning binus c case case-study data-structures tries

Last synced: 02 May 2026

https://github.com/dev0x13/hbst

A C++ implementation of Hidden Binary Search Tree

data-structures search-trees

Last synced: 21 Mar 2025

https://github.com/danilowskic/stack-initialisation

The program shows how stack is builded and how it works.

data-science data-structures data-visualization java-8 stack

Last synced: 16 Jul 2025

https://github.com/victorhmp/algorithms-and-data-structures

Playground for algorithms and data structure implementations and experimenting with different languages

algorithms data-structures python

Last synced: 08 Apr 2025

https://github.com/0xsirsaif/problem-solving

Solutions of various coding/algorithmic problems solved in multiple languages and from various sources such as books, Coding Challenge Websites..etc

acm-icpc algorithms data-structures problem-solving

Last synced: 31 Mar 2025

https://github.com/magnetrwn/runtime-bitset-cpp

Very compact header-only C++ bitset library for creating bitsets at runtime.

bitset data-structures header-only runtime

Last synced: 27 Feb 2025

https://github.com/shuddha2021/distributed-system-simulator-in-golang

A lightweight distributed system simulator in Go, featuring concurrency, HTTP endpoints, and unit tests.

concurrency data-structures distributed-systems error-handling go goroutines http-server restful-api synchronization thread-safety unit-testing

Last synced: 15 May 2025

https://github.com/teleivo/skeleton

A data structures and algorithms library written in Go

algorithms algorithms-and-data-structures data-structures go golang

Last synced: 05 Jul 2025

https://github.com/windjammer6/12.-data-structures-and-algorithms-learning-and-practice-python

My learning journey of Data Structures and Algorithms in Python

algorithms data-structures python

Last synced: 24 Mar 2025

https://github.com/stynw7/algorithm_and_programming_python

Provides programs of Basic Algorithm and Programming using Python

algorithms algorithms-and-data-structures data-structures oop oops-in-python python

Last synced: 02 May 2026

https://github.com/henry-azer/structure-implementation

Data Structures, Algorithms and Design Patterns code implementation.

algorithms data-structures design-patterns java problem-solving

Last synced: 03 Sep 2025

https://github.com/mrigank005/c-programming

Welcome to my C Programming Repository! This repository contains a collection of C programs that cover fundamental concepts, data structures, algorithms, and real-world applications. Whether you are a beginner or an experienced programmer, you'll find useful resources here.

c data-structures

Last synced: 05 Apr 2025

https://github.com/gkamboj/leetcode

Collection of LeetCode questions to ace the coding interview!

data-structures java leetcode python

Last synced: 11 Jun 2025

https://github.com/lynnsh/simple-evaluator

Java Evaluator Academic Project

data-structures java reverse-polish-notation

Last synced: 25 May 2026

https://github.com/at1as/hash_array_utils

Supercharge Ruby's Array and Hash classes

array data-structures hash monkey-patch ruby

Last synced: 22 Nov 2025

https://github.com/alldroll/rbtree

Red–black tree

data-structures go red-black-tree

Last synced: 28 Jan 2026

Data structures Awesome Lists
awesome-leetcode-resources 65 best-of-python 684 competitive-programming 97 Awesome-CS-OpenCourse 184 awesome-leetcode 299 awesome-python-resources 1,490 awesome-interview-algorithms 800 You-Dont-Know-X 52 awesome-go 2,668 awesome-dsa 109 Algorithms-and-Data-Structures 47 Data-Structures-Algorithms-Python 80 awesome-interview 74 data-structures-in-open-source 31 awesome-nodejs-pure-js 96 practice-python-programming-projects 95 data-engineering-collection 678 c-free-tutorials 37 python-workshop-7 66 free-data-structures-resources 117
Data structures Categories
🧠 Big Tech Algorithm Questions 288 Utilities 174 Software Packages 154 Database Clients 147 Database 128 Web Frameworks 106 Third-party APIs 105 Miscellaneous 101 ✅ Algorithms 98 Exercises 92 Testing 89 Networking 88 Websites 88 Command Line 87 Data Pipelines & Streaming 85 ✅ Data Structures 83 Configuration 83 命令行工具 80 Data Structures and Algorithms 76 Machine Learning 75