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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/iyashwantsaini/dust

Data Structures | Algorithms | STL | C++

algorithms cpp data-structures

Last synced: 30 Aug 2025

https://github.com/davidyslu/OnlineJudgeZero

Personal Submission of Online Judge Zero (臺灣高中生程式解題系統)

algorithms cpp data-structures

Last synced: 29 Aug 2025

https://github.com/matheusjohannaraujo/data-manager

DataManager is a PHP library developed to simplify file and directory manipulation, offering an intuitive class for common filesystem operations.

data-structures filestorage filesystem filesystem-library php php-library php7 php8

Last synced: 20 Feb 2026

https://github.com/joshsizer/my-malloc

Linked-list implementation of the standard C library function “malloc.” Uses a first-fit algorithm with support for coalescing.

algorithm coalescing data-structures first-fit linked-list

Last synced: 28 Jun 2025

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

another java collection library

collection data-structures java

Last synced: 12 Jan 2026

https://github.com/luckykk273/computerscience

Include examples of data structures, sorting algorithms and design patterns.

computer-science data-structures design-patterns sorting-algorithms

Last synced: 14 May 2025

https://github.com/quytelda/focs

Functional Open C Structures - C Data Structures Library

c data-structures focs functional libfocs

Last synced: 12 Nov 2025

https://github.com/erseco/ugr_estructuras_datos

Practicas de Estructuras de Datos (ED) del Grado en Ingeniería Informática de la Universidad de Granada (UGR)

data-structures ugr

Last synced: 20 Apr 2026

https://github.com/dirkgroot/fsharpx.radixtree

A general-purpose implementation of a Relaxed Radix Balanced tree.

data-structures fsharp fsharp-practice fsunit immutable-collections test-driven-development

Last synced: 25 May 2026

https://github.com/spideystreet/ai-learning-journey

Documenting my journey in learning Artificial Intelligence, with a focus on Data systems & Machine / Deep Learning and their applications. Includes structured notes and interesting research papers. Updated regularly as I learn.

academic data-structures education learning machine-learning

Last synced: 09 Mar 2026

https://github.com/devourtech/christmasdb

A key value store to explore on database and storage internals

data-structures database golang key-value-store

Last synced: 04 Jan 2026

https://github.com/suhatanriverdi/full-time-interviews-preparation

This repository contains various competitive programming Algorithms and Data Structures questions and sample codes in the preparation process of full-time software engineering interviews.

algorithms data-structures interviews-preparation

Last synced: 14 Mar 2025

https://github.com/shadowshahriar/cse222

A repository containing my solutions to data structure (Java, C, C++) problems assigned by our CSE lecturer, NASR (3rd Semester)

c cpp data-structures java

Last synced: 04 May 2026

https://github.com/bestmahdi2/uni__phonebookapppython

A university project in which a phone book is designed with Python language

data-structures phone-book python

Last synced: 25 May 2026

https://github.com/sysread/skewheap

A fast, efficient, self-adjusting heap for Perl, implemented in C

c data-structures heap perl skew-heap xs

Last synced: 17 Apr 2026

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

Lab works for Data Structures

c data-structures linked-list

Last synced: 26 Dec 2025

https://github.com/devdrops/php-ds

:computer: PHP data structures

data-structures php spl

Last synced: 30 Mar 2025

https://github.com/sandyyyzheng/mouse-maze

Mouse-Maze: A Freshman Data Structure Course Project based on DFS

course-project data-structures dfs java maven maze maze-game

Last synced: 10 May 2026

https://github.com/rupeshrb/dsa

DSA practicals

algorithm cpp data-structures

Last synced: 26 May 2026

https://github.com/alyqamar/leetcode

"LeetCode" by alyQamar, contains solutions to various problems from Leet Code, a popular platform for practicing and improving coding skills. The solutions are implemented in cpp , JS and are accompanied by detailed explanations and comments. The repository also includes a variety of problem types, such as data structures, algorith

algorithms competitive competitive-programming competitive-programming-contests contest contest-solution contests cpp data-structures java javascript js leetcode leetcode-cpp leetcode-cpp-solutions leetcode-js leetcode-solutions problem-solving problems

Last synced: 18 Apr 2026

https://github.com/ashharr/dsa-bootcamp

Data Structures and Algorithms. LeetCode Problems Practice.

algorithms data-structures dsa interview java python

Last synced: 19 Apr 2026

https://github.com/mohitbansal964/binary-tree

Binary Tree Insertion, Traversal and display in vertical and horizontal format

binary-trees cpp data-structures

Last synced: 30 May 2026

https://github.com/pedroth/nabla.js

Mathematical & Computer Science reference implementation, of various algorithms and concepts.

algorithms computer-science data-structures mathematics

Last synced: 21 Feb 2026

https://github.com/mihirh19/python

a repository for collaborative development and version control using Git that houses Python code files, documentation, tests, and other project-related files.

algorithms data-structures django fastapi flask machine-learning numpy pandas python

Last synced: 11 Apr 2026

https://github.com/humayan-kabir/data-structure

data structure repository for competitive programming

competitive-programming cpp data-structures

Last synced: 30 Jun 2025

https://github.com/yagocrispim/data_structures

A study about data structures

cpp data-structures

Last synced: 23 Mar 2025

https://github.com/kalyan4636/interview-coding-practice-questions

PYTHON AND JAVA CODING SNIPPETS, TECHNICAL INTERVIEW QUESTIONS AND PRACTICE CODE.

angular corejava cpp css data-structures django framework html java javascript mongodb python sql

Last synced: 11 Apr 2026

https://github.com/mgobeaalcoba/python_intermediate

Aqui iré guardando los trabajos que voy haciendo en el curso de platzi de python y nivel intermedio

data-structures dictionaries game lambda-functions lists python3 sets strings tuples

Last synced: 11 Apr 2026

https://github.com/haseeeb21/stack-in-python

Implementing Stack in python by importing deque library, creating Class of Stack and making functions of stack implementations.

class data-structures googlecolaboratory pop push pycharm python python3 stack

Last synced: 14 May 2026

https://github.com/neuodev/linkedlist

Build Linked List. Methods: reverseLinkedList, getKthFromTheEnd, toArray, size, indexOf, contains, deleteLast, deleteFirst, addFirst, addLast

data-structures linked-list reverse-linked-list

Last synced: 27 May 2026

https://github.com/0x484558/fairqueue

Spatially distancing fair queue

data-structures fairness no-std queue round-robin stack

Last synced: 21 Feb 2026

https://github.com/valentinnsoare/structcraftlib

Java library with custom data structures made with customization benefits and performance in mind.

arraylist binary-search binary-search-tree data-structures design-patterns hashtable heap java library linked-list performance queue sorting-algorithms stack

Last synced: 23 Mar 2025

https://github.com/tarball0/data-structures-notes

Repo to help with Data Structures and Algorithms

algorithms data-structures

Last synced: 21 Feb 2026

https://github.com/gotz1480/data-structures-python

Basic data structures implementations in Python

data-structures data-structures-python

Last synced: 07 Apr 2025

https://github.com/jcalmcrasher/hackerrank-challenges

My algo solutions (mostly hackerrank challenges)

algorithms data-structures typescript

Last synced: 02 Sep 2025

https://github.com/jenniferplusplus/interview-algorithms

A collection of solutions to algorithm or data structure based programming challenges I've been given during interviews recently.

algorithm-challenges algorithms algorithms-and-data-structures data-structures interview interview-practice interview-preparation interview-questions

Last synced: 18 Nov 2025

https://github.com/richardmiruka/alx-interview

This interview repository 📒 is a collection of (practical) questions and answers designed to help someone prepare for programming interviews. The repository is organized into several categories, including Algorithms, programming concepts, and miscellaneous topics through Practical questions and concepts such as Pascal's triangle.

algorithms algorithms-and-data-structures data-structures logic logic-programming programming-languages

Last synced: 26 Feb 2025

https://github.com/davbrito/dbds

A C library of common data structures.

c data-structures list map tree vector

Last synced: 20 Jun 2025

https://github.com/tom-spalding/petrie-itis

a ITIS search wrapper to be used with Petrie

api api-wrapper classification data-structures graph itis petrie phylogeny taxonomy

Last synced: 31 Mar 2025

https://github.com/sureshsundriyal/rcu-cache

A FIFO cache implementation in Python with lock-free reads.

cache data-structures fifo-cache lock-free-reads python rcu rcu-cache

Last synced: 23 Mar 2025

https://github.com/iampavangandhi/huffmanendec

♾️ Huffman Encoder-Decoder Web App (using Huffman Coding)

data-structures encoder-decoder huffman-coding huffman-tree javascript

Last synced: 16 Jun 2025

https://github.com/jabhij/hacks_python

Python hacks for code optimization.

algorithms data-structures datatypes python

Last synced: 27 May 2026

https://github.com/amitbasuri/linuxpathtraversal

Application which does a Linux Path Traversal in memory.

data-structures golang golang-application tree-traversal-algorithm

Last synced: 19 Jun 2025

https://github.com/zakariaelbouzkri/my_cses_problems_solutions

this repo contains my solutions to the University of Helsinki's "Competitive Programming" course problem set hosted on the CSES (Code Submission Evaluation System) platform. This repository serves as a showcase of my problem-solving skills and coding journey as I tackle a variety of algorithmic challenges.

algo cpp cses-problem-set-solution data-structures dynamic-programming graph-algorithms math mathematics searching-algorithms sorting-algorithms

Last synced: 27 Feb 2025

https://github.com/skyv26/leetcode-exercises

LeetCode is one of the most well-known online judge platforms that you can use to practice your programming skills by solving coding questions. It has over 1,100 different problems, support for over 18 programming languages, and an active community that is always there to help you with the solution

algorithms data-structures interview interview-practice interview-preparation interview-questions

Last synced: 15 Mar 2025

https://github.com/kawser2133/problem-solving-practice

The solutions are implemented in the C# programming language and aim to showcase my problem-solving skills and coding practices.

algorithms algorithms-and-data-structures csharp data-structures problem-solving

Last synced: 03 Mar 2025

https://github.com/humbertocg18/pucrs-alest-i-2.3-2023.24

Trabalhos, Projetos, Exercícios e aulas realizados em Java na cadeira de Algoritimos e estrutura de dados 1, matéria do segundo semestre.

beecrowd beecrowd-solution-in-js beecrowd-solutions-in-java data data-structures datastructures-algorithms hashmap hashtable java-8 leetcode leetcode-javascript leetcode-solutions leetcodepra pucrs sorting-algorithms

Last synced: 29 Mar 2025

https://github.com/emmt/databags.jl

Data bags combine the flexibility of dictionaries to store data and the `obj.key` syntax to mimic dynamic structures.

data-structures julia

Last synced: 23 Mar 2025

https://github.com/aditeyabaral/hashmap-lemmatizer

A simple lemmatizer made as a part of the Data Structures (UE18CS202) course at PES University. We used the concepts of graph networks combined with a HashMap to create the database of words along with their lemma.

c data-structures graph hashing lemmatization linked-list natural-language-processing

Last synced: 28 Jun 2025

https://github.com/ruban2205/data-structures-and-algorithms-python

This repository contains Data structures programs programmed using Python language. It contains 11 topics from Stack to Binary Search Tree.

data-structures data-structures-and-algorithms interview-practice python python-data-structures

Last synced: 15 Mar 2025

https://github.com/jitendra3109/datastructure-algorithms

Contents code implemented in java.

algorithms data-structures hackerearth java

Last synced: 23 Mar 2025

https://github.com/aryanjain28/dsa

"This repository contains my LeetCode practice, DSA understanding, and crucial algorithms, encompassing all of my code."

algorithms data-structures leetcode leetcode-solutions python3

Last synced: 24 Mar 2025

https://github.com/blackspade/json-data-mine

Data collections using JSON format for applications.

data-structures json

Last synced: 04 Apr 2025

https://github.com/ikauematos/data-structurec

Hello devs okay with you guys? this repository aims to show a little about the sorting methods using C to apply the ordering methods

c data-structures language

Last synced: 27 Feb 2025

https://github.com/pedrofnseca/bd-vendas

🐬 Banco de dados para vendas

cloud data-structures database mysql sql

Last synced: 18 May 2026

https://github.com/0xcourtney/data-structures-and-algorithms-in-js

In this series I will explore several different data structures and algorithms that are fundamental in Computer Science.

algorithms computer-science data-structures javascript

Last synced: 15 Mar 2025

https://github.com/mmiranda96/algorithms-go

Algorithms workshop in Golang

algorithm data-structures golang

Last synced: 02 Jul 2025

https://github.com/shalldie/gog

Generic data structures and functions of Golang. Golang 的泛型数据结构/方法。

data-structures functions generic golang

Last synced: 10 Mar 2025

https://github.com/ibz-04/sudoku-solver

Solving the sudoku arithmetic game with python algorithms

algorithm-challenges data-structures sudoku-solver

Last synced: 31 Mar 2025

https://github.com/indexposition/linked-list-text-editor

A simple Text Editor that uses the concept of Linked List.

algotithms capstone-project data-structures dsa linked-list project

Last synced: 28 May 2026

https://github.com/zakariaelbouzkri/stack_sorter

This project will make you sort data on a stack, with a limited set of instructions, using the lowest possible number of actions. To succeed you’ll have to manipulate various types of algorithms and choose the most appropriate solution (out of many) for an optimized data sorting

algo c data-structures

Last synced: 22 Nov 2025

https://github.com/bam-j/datastructure

자료구조 C언어 구현

c data-structures

Last synced: 31 Mar 2025

https://github.com/easonsyc/queues-stacks

Data structures queues and stacks.

c-sharp data-structures study

Last synced: 10 Jun 2025

https://github.com/atereshkov/hackerrank

My HackerRank solutions and practice written in Swift

algorithms data-structures hackerrank hackerrank-solutions swift swift5

Last synced: 24 Mar 2025

https://github.com/seigtm/bidirectionalringlist

Ring doubly linked list C++ class implementation. My very old college homework from 2020.

bidirectional-lists class cpp cpp-class cpp-library data-structure data-structures linked-list list

Last synced: 20 Apr 2025

https://github.com/lesiaukr/goit-algo-hw-02

Master's | Basic Algorithms & Data structures | Module 2 | Main Data Strucrures

data-structures deque doubly-linked-list goit-algo-hw-02 graph hash-tables linked-list lists queue stack

Last synced: 24 Mar 2025

https://github.com/aishanipach/interview-checkpoints

Keeping track of my various DSA solutions to Leetcode, Hackerrank & Striver's sheet! BasicChecklist has all the theory notes for interviews.

cheatsheet cpp data-structures dbms first-timers-friendly good-first-contribution interview-preparation leetcode open-source solutions sql strivers-cp-sheet strivers-sde-sheet

Last synced: 03 Jul 2025

https://github.com/chihebabiza/my-cpp-queue-array

A simple, template-based queue class in C++ built on top of a custom dynamic array (`clsDynamicArray`). This implementation supports core queue operations such as `push`, `pop`, `front`, and `back`, along with extended utilities like reversing the queue and inserting at custom positions.

cpp cpp-library data-structures oop programming-advices queue

Last synced: 10 Mar 2026

https://github.com/abdulvahabaa/geeksforgeeks-dsa

This is my Geeks for Geeks test submission reports repository for improving my DSA knowledge and coding skill.

algorithms data-structures dsa-learning-series dsa-practice javascript nodejs

Last synced: 06 Jan 2026

https://github.com/mohamedayassin/dictionary-using-data-structures

Terminal based dictionary application using data structures in C++

data-structures dictionary linked-list linkedlists-using-class

Last synced: 24 Mar 2025

https://github.com/nirmalsaiswaroopj/dsexplore

This project provides Python implementations of fundamental data structures, including Stacks, Queues, Linked Lists, and Trees (Binary Search and AVL). It features a user-friendly menu-driven interface for easy interaction. Explore basic operations like insertion and deletion in each structure. Clone the repository to get started!

arrays-and-strings data-structures linked-list queue stacks tree-structure

Last synced: 29 May 2026

https://github.com/gabriel-dp/ufsj-labprog2

All exercises solved during "Programming Laboratory II" subject at UFSJ

data-structures lab ufsj

Last synced: 03 Jul 2025

https://github.com/saka7/algorithms

Algorithms and data structures in TypeScript

algorithms cumputer-science data-structures typescript

Last synced: 18 Mar 2025

https://github.com/ragul-rofi/stackimplementation2python

Beginner Stack Implementation in Python

data-structures dsa python stack

Last synced: 30 Mar 2025

https://github.com/sleepypioneer/algorithms_and_data_structures

Notes from Algorithms and Data structures Udemy course instructed by Balazs Holczer.

algorithms data-structures

Last synced: 04 Sep 2025

https://github.com/hosu-kim/super_cool_goat_stack_sorter

A highly optimized integer sorting project implementing the chunk sorting algorithm.

algorithm-optimization c data-structures sorting-algorithms stack-operations

Last synced: 11 Jun 2025

Data structures Awesome Lists
awesome-leetcode-resources 65 best-of-python 720 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 93 Exercises 92 Testing 89 Networking 88 Websites 88 Command Line 87 Data Pipelines & Streaming 85 Configuration 83 命令行工具 80 Data Structures and Algorithms 76 ✅ Data Structures 75 Machine Learning 75