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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/abdur75648/organizational-hierarchy-java

A java program to store employee data and maintains the information about organization hierarchy

algotithms assignment avl-tree binary-search-tree binary-tree col106 data-structures database-management dsa iitd java linked-list queue

Last synced: 31 Mar 2025

https://github.com/ololobus/practice

Random programming exercises

c data-structures educational pointers

Last synced: 18 Jul 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/tonix-tuft/linked-hash-map

How I would implement a linked hash map in PHP if PHP wouldn't have associative arrays.

data-structure data-structures hash-map hash-table linked linked-hash-map map

Last synced: 13 Jan 2026

https://github.com/w1z2z/algorithms-js

Simple algorithms in JavaScript

algorithms data-structures javascript

Last synced: 14 Jul 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/rafaybbx/food-delivery-system

A C++ based food delivery system that optimizes delivery routes using Dijkstra's algorithm.

cpp data-structures dijkstra-algorithm food-delivery-application linked queue

Last synced: 08 Apr 2025

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/kernelshreyak/dsa_learning

My learning of Data Structures and Algorithms through implementations in Go,Python and JavaScript. Also contains solutions to some competitive programming exercises

algorithms algorithms-and-data-structures competitive-programming data-structures golang javascript python3

Last synced: 04 May 2026

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/alexandrbig1/goit-sql-hw-04

This repository houses my third homework assignment for the SQL module, focusing on DML and DDL commands. Explore data manipulation and database structure definitions through practical exercises.

computerscience data-structures database ddl-commands dml-commands softwareengineer sql

Last synced: 02 Jul 2025

https://github.com/a7mdfre7at/masterly.nonemptylist

A simple and lightweight implementation of a non-empty list in C#, inspired by Scala's List, that ensures a collection always has at least one item. This helps in reducing null-related bugs and ensures safe operations on collections with at least one element.

a7mdfre7at csharp data-structures dotnet dotnet-core functional-programming list masterly non-empty non-empty-collections scala-list-like

Last synced: 07 Jan 2026

https://github.com/flp2113/baselib

Creating my own C codebase, implementing useful functions to save time while coding large projects.

algorithms c data-structures

Last synced: 15 Mar 2025

https://github.com/lucashnss/if686-programming-languages-paradigms-functional

This repository is for lists, exercises, data structures and more in the programming-languages-paradigms course (IF686) in CIN-UFPE learning Haskell, a function language.

data-structures functional-programming haskell

Last synced: 10 Jan 2026

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/ndeta100/data-structure-java

Algorithms and data structures in java practice

data-structures java jdk jvm

Last synced: 11 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/adhadse/dsawithkotlin

This repo contains my Data Structures Lab work

bfs data-structures dfs graph kotlin linked-list queue stack

Last synced: 02 Sep 2025

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

Data-structure is not for interviews but to develop scalable software using those.

algorithm computer-engineering computer-science data-structures

Last synced: 24 Jan 2026

https://github.com/hackcpp/hackcpp.github.io

编程技术 blog 网站,90后 C++ 程序猿, 学习记录, 技术分享, 编程笔记, 数据结构与算法, 程序架构设计

algorithm cplusplus data-structures design-patterns vuepress-blog

Last synced: 31 Jan 2026

https://github.com/recrsn/lru

GoLang LRU implementation

data-structures golang lru-cache

Last synced: 17 Mar 2025

https://github.com/bserdar/slicemap

A Go map that uses slice of values as key

data-structures go golang map slice

Last synced: 12 Jul 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/tasbeehismail/data-structure-tasks

Tasks completed at level 3 problem-solving training with ICPC Damanhour community.

competitive-programming complexity-analysis data-structures implementation problem-solving

Last synced: 28 Dec 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/bienvenuushindi/dsa

Implement a list of datastructures, Searching and Sorting Algorithms

algorithms data-structures searching-algorithms sorting-algorithms typescript

Last synced: 28 Mar 2025

https://github.com/kanavgoyal898/queensgambit

QueensGambit is a Python-based chess engine using the Minimax algorithm with alpha-beta pruning to make optimal moves. It incorporates piece values inspired by AlphaZero and an entropy-based evaluation for dynamic gameplay. The engine supports both human-AI and AI-AI matches.

algorithms chess chess-engine data-structures game-development minimax-algorithm python research-implementation

Last synced: 02 Jul 2025

https://github.com/riteek712/java-dsa

This repository contains solutions to various Data Structures and Algorithms (DSA) questions in Java. It includes curated problems from the Blind 75 list, sorting algorithms, graph problems, tree problems, and basic interview live coding questions.

algorithms algorithms-and-data-structures data-structures java

Last synced: 24 Mar 2025

https://github.com/jeffa5/btreelist

A list with efficient insert and remove in the middle

data-structures rust

Last synced: 10 Feb 2026

https://github.com/brockwade633/algo-helper

Algo Helper is a project that provides visualizations and animations of common algorithms. Born out of a scarcity of algorithm visualization tools, it functions as an interactive web app with custom data inputs, a debugger, and brief written explanations

algorithms computer-science data-structures react typescipt webapp

Last synced: 31 Mar 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/mattmazzola/uv-test

Collection of Programming Problems from various sources implemented and solved in python (using uv for package management) Source: LeetCode, NeetCode, Exponent, HelloInterview, Meta Career Prep, Algo Monster, etc

algorithms data-structures python uv

Last synced: 03 Sep 2025

https://github.com/bottomsnode/data-structure-with-python

Discover Python implementations of core data structures with Tkinter animations for intuitive visualization. Explore arrays, graphs, linked lists, queues, stacks, and trees through interactive animations, ideal for beginners and experienced programmers alike. Gain insights and deepen your understanding with this engaging learning resource.

array data-structures graph-algorithms linked-list python queue stack tkinter-graphic-interface tree-structure

Last synced: 12 Mar 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/jaskaransinghbhalla/iitd-col106

Data Structures & Algorithms course at IIT Delhi | Assignments

algorithms data-structures

Last synced: 28 Jun 2025

https://github.com/harrytran998/dart-basic-alogorithms-data-structure

Basic Data Structures and Algorithms with Dart language

alogrithms dart data-structures flutter testing

Last synced: 15 Mar 2025

https://github.com/windjammer6/13.-common-data-structure-implementations-python

A compilation of various common Data Structure implementations in Python

data-structures python

Last synced: 24 Mar 2025

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/yahia3200/restaurant-management-simulator

Implementing restaurant management system using C++ and data structures

algorithms data-structures simulation

Last synced: 16 Mar 2025

https://github.com/g3th/binary_heap_type

Determine whether a Binary Heap structure is 'min', 'max' or 'no-heap'.

algorithms binary-heap data-structures kotlin max-heap min-heap

Last synced: 28 May 2026

https://github.com/codenitros/dsa

The repository contains solutions to standard DSA problems

algorithms cplusplus data-structures dsa-algorithm

Last synced: 02 Jul 2025

https://github.com/ibrahimhiarea/acm

The Algorithms & Data Structures Repository is a comprehensive collection of fundamental algorithms, data structures, and computational techniques. This repository provides a valuable resource for studying and implementing essential concepts in software development.

algorithms data-structures icpc problem-solving

Last synced: 26 Jan 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/dorosch/datastructures

Rust implementations of data structures

algorithms data-structures educational-project rust

Last synced: 18 Jun 2025

https://github.com/alpha74/ihr

My HackerRank solutions. Maintained from 2020 onwards.

algorithms coding cpp data-structures hackerrank hackerrank-solutions

Last synced: 28 May 2026

https://github.com/lithika-damnod/algorithms

C++ Algorithms & Data Structures

algorithms cpp data-structures graph

Last synced: 24 Mar 2025

https://github.com/mun1r0b0t/c-development-kit

A collection of simple datastructures in C

data-structures library

Last synced: 11 Jun 2025

https://github.com/pal-96/multiparty-healthcare-ecosystem-app

A multiparty healthcare ecosystem that unifies sports, health training, nutrition and pharmaceutical enterprises. It enables seamless collaboration between Super Admin, Enterprise Admins, Customers, Trainers, Nutritionists and Suppliers through real time information exchange, role-based access control and data analytics dashboards.

arraylist-java bcrypt-hashing-library csv csv-parser data-structures enum hashmap-java java jcalendar jfreechart-library netbeans object-oriented-programming rbac-configuration swing-api swing-application

Last synced: 23 Nov 2025

https://github.com/jqln-vc/cadernos-estudos

Cadernos e notas de estudos, temas variados.

data-science data-structures

Last synced: 14 Mar 2025

https://github.com/guangie88/stackie

Contains stack allocated data structures.

cpp cpp-14 cpp-library data-structures stack stack-based string

Last synced: 06 Jun 2026

https://github.com/kelcisayshello/algorithms

collection of data structures and algorithms problem solutions in Python

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

Last synced: 20 Mar 2025

https://github.com/almayor/data_structures

Polymorphic data structures and associated algorithms in C. Probably don't use.

21school 42school c data-structures polymorphism

Last synced: 18 Jun 2025

https://github.com/leosimoes/uerj-estruturas-de-dados-i

Trabalho desenvolvido na disciplina de Algoritmos e Estruturas de Dados no período 2014.1. Implementação das estruturas de dados do tipo Lista, Pilha, Fila e Deque de formas encadeadas e sequenciais.

cpp data-structures deque list queue stack

Last synced: 24 Mar 2025

https://github.com/lucas54neves/gcc216-data_structures

Repository for the activities of the discipline of Data Structures of the course of Computer Science of the Federal University of Lavras

algorithms cplusplus cpp data-structures ufla

Last synced: 28 May 2026

https://github.com/rabirabirara/roulette-tree

A red-black tree implemented in Rust.

data-structures rust

Last synced: 24 Mar 2025

https://github.com/ytakzk/basic_data_structures_and_algorithms_in_python

A collection of snippets of basic data structures and algorithms written in Python.

algorithms computational-geometry data-structures geometry graph-algorithms

Last synced: 03 Sep 2025

https://github.com/moltinginstar/rosalind

My solutions to problems from Rosalind.

algorithms alignment bioinformatics data-structures genomics rosalind

Last synced: 08 Apr 2025

https://github.com/cidm-ph/distmat

Distance matrix data types and file formats for Rust

bioinformatics data-structures distance-matrix

Last synced: 03 Sep 2025

https://github.com/asheemrahman/data-structure-and-algorithms

This repository contains a collection of Data Structures and Algorithms implemented in JavaScript. The goal of this repository is to provide a comprehensive guide to learning, understanding, and practicing fundamental data structures and algorithms.

data-structures data-structures-and-algorithms javascript questions questions-and-answers

Last synced: 03 Mar 2025

https://github.com/asintotoo/c-collections

Data Structures for C

c collections data-structures

Last synced: 16 Mar 2025

https://github.com/donghl-dev/practices-datastructure

자료구조 이해 및 구현과 테스트 코드 작성 연습.

data-structures gradle jdk12 junit4 tdd

Last synced: 15 May 2026

https://github.com/animesh-sh/dsa-prep

Leetcode • Hackerrank • Problem Solving • DSA

algorithms data-structures dsa hackerrank leetcode

Last synced: 01 Apr 2025

https://github.com/mahmudmridul/leetcodesolutions

LeetCode problems solution and data structures implemented in python and C#

algorithms csharp data-structures leetcode-solutions problem-solving python sql

Last synced: 02 Apr 2025

https://github.com/andyblarblar/algo

A collection of data-structures, helper classes, extensions, and functional constructs to fill in gaps in the BCL.

algorithms data-structures dotnet library

Last synced: 25 Mar 2025

https://github.com/gustavoestevesr/sistema-de-vendas-completo

Sistema de vendas completo! Funções de cadastro, consulta, listagem, realizar venda, relatório por período.

clean-code data-structures date date-time-format design-patterns encapsulation java lamba oriented-object-programming

Last synced: 14 Jul 2025

https://github.com/miladsade96/ds_algo_code_snippets

Python Data Structures and Algorithms Code Snippets

algorithms data-structures python python3 snippets

Last synced: 03 Jul 2025

https://github.com/kmyeaserarafat/problem_solving

Problem Solving Repository This repository is dedicated to various problem-solving approaches and solutions. It contains a collection of algorithms, data structures, coding challenges, and practical problem-solving techniques across multiple programming languages. Ideal for developers looking to enhance their coding skills, prepare for technica

algori data-structures difficult dsa-algorithm fundamentals-of-programming problem-solving programming-language

Last synced: 16 Mar 2025

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