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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/mustafahakkoz/bow_in_c

Bag of Words in C language

bag-of-words data-structures

Last synced: 23 Mar 2025

https://github.com/nickzs8/binarysearchtree

Implementation of a binary search tree in java.

binary-search-tree data-structures java

Last synced: 01 Sep 2025

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/ombhd/ft_containers_42

C++ containers in easy mode: reimplementation of vector, stack and map containers of STL in C++

1337school 42born2code cpp data-structures stl-containers

Last synced: 30 Mar 2025

https://github.com/gusenov/tag-reg-js

:label: JavaScript структура данных для хранения записей вида ключ-значение, где ключ - это набор тегов.

bitmask data-structures javascript javascript-library key-value tags

Last synced: 29 Jun 2025

https://github.com/mu-selim/calculator

Mathematical calculator using stack data structure.

data-structures javascript stack

Last synced: 08 Jul 2025

https://github.com/staivanov/dsa-under-js

Popular data structures and algorithms implemented on JavaScript

algorithms bigonotation data-structures es6-javascript javascript

Last synced: 23 Mar 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/AhmedNassar7/Money-Hub

A bank management system.

algorithms cpp data-structures database oop sql

Last synced: 07 Apr 2025

https://github.com/mbrsagor/pythonnote

Study in python latest code and node serial

basic-programming data-structures mathematics oop python-library python3

Last synced: 08 Jun 2026

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/hridxyz/leetcode-practice

A Java-centric repository documenting my problem-solving journey with efficient, annotated solutions and personal insights for algorithmic challenges.

data-structures java leetcode-java leetcode-solutions problem-solving

Last synced: 21 May 2026

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

This repository contains my answers for some of my assignments for COMP6048001 - Data Structures Course. I got 98 for my assignments score.

avl-tree binus c case case-study data-structures hash hash-table priority-queue queue

Last synced: 29 Apr 2026

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

implementation Data structures by c programing, separate implementation user levels as a header file and programmer level as c file

c data-structures layer user-management

Last synced: 15 May 2025

https://github.com/vladifish/labex3

Where LabEx3 would be placed

data-structures

Last synced: 30 Jun 2025

https://github.com/rajesh2723/cricket-score-sheet

This project uses involves the predicting the score from cricket based on previous scores

c data-structures pointers

Last synced: 08 Jun 2026

https://github.com/aykrimino/aoc

solving advent of code problems using golang

algorithms competitive-programming data-structures go golang

Last synced: 30 Mar 2025

https://github.com/itsindrajput/student-database-management-system

This repository contains the source code and documentation for a Student Database Management System implemented in C programming language.

c-programming-language data-structures database graphics-programming

Last synced: 05 May 2026

https://github.com/lunahoushmand16/restaurant-order-system-python

This simple application was built using new Python skills to create a program that allows customers to place orders with a takeout restaurant and receive an itemized receipt.

command-line data-structures python3

Last synced: 30 Jun 2025

https://github.com/thomasafroo/unix-shell-company-management-system

A command-line interface written in C that allows users to manage a company's structural information

c command-parsing data-structures error-handling unix-shell

Last synced: 26 May 2026

https://github.com/bniladridas/chatbot

The chatbot is designed to engage in conversations with users based on predefined patterns and responses.

algorithms data-structures nlp programming

Last synced: 14 Mar 2025

https://github.com/tenal/canine-calculator

A quiz application that generates your ideal dog breed! Breeds are chosen based on your current lifestyle and desired canine traits. All breed information is located in a data structure built by Tenal in 'sciript.js'. This was my first jQuery project, refactored to vanilla JS a couple months later.

data-structures html5 javascript sass sass-mixins vanilla-javascript

Last synced: 29 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/hemisphere-studio/async-subscription-map

Async bookkeeping data structure for multithreaded state subscriptions

async data-structures multithreading subscriptions

Last synced: 15 Mar 2025

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/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/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/mr-won/data-structure

데이터구조 학습 정리입니다.

data-structure data-structures

Last synced: 30 Mar 2025

https://github.com/shaolans/projet_algav_trie

Implementation of the Patricia Trie and the Hybrid Trie in Java

algorithms data-structures data-visualization graphviz-dot hybrid-training java patricia-tree tree trie

Last synced: 11 Jun 2026

https://github.com/barannmeisterr/exceldataanalyzeravltree

Student Data Query is a Java project designed to manage and query student data using an AVL tree data structure.

apache-poi avl-tree balanced-search-trees data-structures excel file-processing java node searchquery strings xlsx

Last synced: 29 Apr 2026

https://github.com/guibrandt/avl_tree

Árvore AVL de busca genérica em C++

avl-tree cotuca cpp11 data-structures generics maligno

Last synced: 13 Jul 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/werdsmind/estructuras_de_datos

colección de implementaciones de estructuras de datos y algoritmos fundamentales escritos en C++

console-application cpp data-structures double-linked-list executable graph pointers pointers-and-arrays proyects tree-structure

Last synced: 23 Jun 2025

https://github.com/anishlearnstocode/data-structures-algorithms

Solutions to Specialization Data Structures and Algorithms @Coursera ~UCSD and National Research University Higher School Economics

algorithms coursera data-structures solutions

Last synced: 04 Jan 2026

https://github.com/nikhil25803/dsalgo

C++ Basic Programs | Data Structure | Algorithms

algorithms cpp data-structures

Last synced: 04 Apr 2025

https://github.com/barrenszeppelin/pmmap

Go implemenation of Persistent Mergeable Hash Maps

data-structures go hashmap immutable tree

Last synced: 01 Sep 2025

https://github.com/memgonzales/aiep-python-scratch

Materials for the AMSLI Informatics Enrichment Program (AIEP), a training program for students representing the Philippines in international computational thinking and informatics contests

acm-icpc algorithms big-o binary-search binary-search-tree bisection-method bitwise-operators competitive-programming data-structures debugging divide-and-conquer dynamic-programming greedy-algorithms programming-for-kids python3 queue recursion scratch3 stack

Last synced: 20 Apr 2026

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/austinhartzheim/bitter.js

It's 2017. We shouldn't need this code. But we still have that Internet Explorer thing.

data-structures javascript javascript-library

Last synced: 22 Mar 2025

https://github.com/jagadeeshm007/leetcode

This repository serves as a collection of my solutions to various LeetCode Data Structures and Algorithms (DSA) problems using c++.

algorithms cpp data-structures leetcode leetcode-cpp leetcode-practice leetcode-questions leetcode-solutions

Last synced: 07 Jun 2026

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

Java Evaluator Academic Project

data-structures java reverse-polish-notation

Last synced: 25 May 2026

https://github.com/alldroll/rbtree

Red–black tree

data-structures go red-black-tree

Last synced: 28 Jan 2026

https://github.com/imtheprince7/javaprac

In this repository, I have uploaded practice files of of Java-8 and advance portion of Java.

data-structures java java-8 multithreading

Last synced: 29 Apr 2026

https://github.com/anandwana001/ds-algo

Daily Coding Problems

data-structures leetcode

Last synced: 04 Apr 2025

https://github.com/victorowinoke/data-science-challenge--dap-eldohub

This is my solution for the EldoHub DAP data science challenge

challenges-solved data-science data-structures interview-questions python

Last synced: 11 Apr 2026

https://github.com/asifhaider/data-structures-algorithm_2-1

My solutions to the weekly assignment problems from Data Structure and Algorithms (Part 1) Sessional Course in Level 2 Term 1

algorithms cpp data-structures java

Last synced: 29 Apr 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/charon25/javabasicdatastructures

Recreating data strucures in Java for learning purposes

data-structures java

Last synced: 16 Jan 2026

https://github.com/jleung51/data_structures

Implementations of various data structures.

data-structures

Last synced: 27 Mar 2025

https://github.com/make-github-pseudonymous-again/js-collections-namedtuple

:bookmark: Python's namedtuple data structure for JavaScript

agpl collections data-structures javascript namedtuple

Last synced: 26 May 2026

https://github.com/dragunwf/learninglab

📚 A personal repository where I document and store all my code, exercises, and projects while learning new technologies, frameworks, and programming concepts. This serves as my digital sandbox for experimentation, skill-building, and continuous learning.

abap ai algorithms data-structures design-patterns django express nextjs react react-native sap

Last synced: 29 Apr 2026

https://github.com/bertrand31/data-structures-scala

🗂️ Collection of immutable data structures implemented in idiomatic, functional Scala. Some well-known, some homemade

bloom-filter cats count-min-sketch data-structures functional-programming linked-list scala trie

Last synced: 14 Sep 2025

https://github.com/hafizhhasyhari/struktur-data-2024-kuliah-s1-bachelor

Struktur Data implementasi berbagai konsep dasar Struktur Data menggunakan bahasa pemrograman C, C++, dan mungkin bahasa pemrograman lain yang saya gunakan di kampus. Selain itu, terdapat tantangan-tantangan telah saya selesaikan yang berkaitan dengan C++ Algoritma Robotika.

algorithms algorithms-and-data-structures cplusplus data-structures strukturdata

Last synced: 23 Mar 2025

https://github.com/lmbarros/dump

DUMP: Dump of Unsorted Morsels for Programmers

algorithms data-structures reference

Last synced: 21 Feb 2026

https://github.com/antunesluis/lab-2

Trabalhos da disciplina de Laboratório de Programação 2

c data-structures minefield

Last synced: 01 Jul 2025

https://github.com/vanajmoorthy/dsanda

⚙ Some simple data structures & algorithms practice.

algorithms data-structures javascript

Last synced: 26 May 2026

https://github.com/marinaa13/social-network-simulator

C implementation of a mini social media platform with user management, post/repost systems, feeds, and graph-based friend interactions

c data-structures graphs linked-lists social-network trees

Last synced: 22 Jun 2026

https://github.com/mateusz-przybyla/addressbook_structured

C++ application - Przyszly Programista course (training)

cpp data-structures structured-programming txt-files

Last synced: 09 Nov 2025

https://github.com/elidrissidev/dsa-practice

My playground repository where I'm practicing DSA using C!

algorithms c computer-science data-structures

Last synced: 31 Mar 2025

https://github.com/jgdodson/scala-collections

A collection library for Scala

collections data-structures graphs

Last synced: 24 Jul 2025

https://github.com/jeon0976/algorithmscode

Swift활용한 DataStructure & Algorithms 이론 및 문제 풀기 전략

algorithms data-structures swift

Last synced: 07 Apr 2025

https://github.com/7astro7/leetcode

bad solutions to leetcode problems

algorithms c data-structures docker java leetcode python

Last synced: 31 Dec 2025

https://github.com/ewliang/javascript-algorithms

Contains a list of common CS algorithms, but implemented using mostly plain old Vanilla JavaScript

algorithms computer-science data-structures javascript search-algorithms sorting-algorithms

Last synced: 24 Jul 2025

https://github.com/itsmunim/python-playground

Where all the python trash ends up

algorithm data-structures python

Last synced: 14 Mar 2025

https://github.com/hein-htetsan/cs-201-sem-2-

UCSY semester 2 garbage

cpp data-structures python

Last synced: 30 Apr 2026

https://github.com/candytale55/nodes_js_datastructs

A JavaScript class to create a basic node that contains data and one link to another node. The node’s data will be specified when creating the node and immutable. A node’s link to the next node is null when there are no nodes to traverse. Plus an example "An ice cream shop that sells three flavors: strawberry, vanilla, and coconut. The signature sundae is made of these three flavors, but new hires have a hard time remembering the order."

codecademy data-structures ice-cream-shop node-concept

Last synced: 31 Mar 2025

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

In this repository that contains all the Data Structures and Algorithms concepts and their implementation in several ways.

data-structures data-structures-and-algorithms dsa dsalgo java

Last synced: 14 May 2025

https://github.com/baguilar6174/typescript-code-challenges

In this repository, you will find problems about data structures and algorithms in TypeScript

algorithms challenges data-structures typescript

Last synced: 09 Nov 2025

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

Just implement programs along with certain algorithms and data structures

algorithms clang cpp data-structures

Last synced: 30 Apr 2026

https://github.com/habbatul/circular-single-linked-list-program-ktp

Terminal App, implementasi struktur data Circular Single Linked List (Study kasus manajemen KTP)

data-structures linked-list

Last synced: 02 Sep 2025

https://github.com/smeltier/data-structures-c

This repository contains C language implementations of the main data structures covered in the Algorithms and Data Structures course. The implementations were developed as part of my hands-on learning process and include sequential lists, linked lists, and other fundamental structures.

algorithms algorithms-and-data-structures c c-language c-programming data data-structures data-structures-c structures-c

Last synced: 16 May 2025

https://github.com/mirsahib/project-venus

IUB CSE 203 (Data Structure)

c-plus-plus cse-203 data-structures

Last synced: 01 Jul 2025

https://github.com/thenocturnaldevgypsy/code-lab-lecture-exercises

Library/source codes that I've coded and used for my lectures during my career as BSCS/BSIT/BSCOE Assistant Professor for BSCS, BSIT and BSCOE way back late 2007 to 2015 (on-going retrieving the codes and rearranging the repo) . You like the Repo? Don't forget to 🌟, 👁️, 🔱 and ❤️

algorithms algorithms-and-data-structures computer-science computer-science-algorithms computer-science-data-structures computer-science-education data-structures data-structures-and-algorithms java programming programming-exercises thenocturnaldevgypsy thenocturnaldevgypsy-io

Last synced: 09 Jun 2026

https://github.com/0xc0392b/bfield

Bit field data structure for Go

bit-manipulation bitfield data-structures go golang

Last synced: 18 Jan 2026

https://github.com/goulartgusta/desafio-arrays

Desafios de estrutura de dados com tratamentos de exceções e testes.

data-structures java junit5

Last synced: 22 Jun 2026

https://github.com/devfancy/knu

컴퓨터학부에서 배운 과목들을 정리한 repo 입니다.

algorithm data-structures system-programming

Last synced: 24 Jun 2025

https://github.com/andrea-vicari/codewars-katas

Repository for Javascript files from some Codewars katas

algorithms-and-data-structures data-structures javascript

Last synced: 16 May 2025

https://github.com/scisamir/binary_trees

0x1D. C - Binary trees

algorithm binary-trees c data-structures

Last synced: 22 Jun 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 97 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