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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/cerezo074/algorithms-playgrounds

You can run some exercises from common platforms like Leetcode in a playground.

algorithms array data-structures hash-table string tries

Last synced: 15 Mar 2025

https://github.com/tsiarokhin/bsu-famcs-algo-solutions

My solutions for "Algorithms and Data Structures" lessons at Belarusian State University (acm.bsu.by)

acm algorithms bsu competitive-programming data-structures famcs study

Last synced: 05 Jan 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/kasutu/filter

DSS: OOP based filter for objects

data-structures oop-principles typescript

Last synced: 31 Mar 2025

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/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/ololobus/practice

Random programming exercises

c data-structures educational pointers

Last synced: 18 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/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/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/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/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/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/shubhangdutta96/neetcode_150

This repository contains a collection of Data Structures and Algorithms implemented in Scala, utilizing the principles of functional programming. The aim is to provide efficient and clean solutions for common computational problems. In addition, this repository includes solutions to the NeetCode 150 DSA problems series.

data-structures functional-programming scala

Last synced: 24 Mar 2025

https://github.com/rurangiza/dojo

Learning data structures and algorithms

algorithms data-structures

Last synced: 18 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/elhostakosta/problem-solving

My personal solutions to a variety of programming challenges and problems from platforms like LeetCode, Codewars, HackerRank, and others.

algorithms codeforces codewars data-structures hackerrank javascript kata math object-oriented-programming

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/lourd/swift-data-structures

Basic data structures and algorithms in Swift, made for teaching

algorithms data-structures swift

Last synced: 24 Mar 2025

https://github.com/rurangiza/philosopher

This project is about solving the "dinning philosopher" problem in a multi-threading progam

algorithms data-structures inter-process-communication multithreading operating-system

Last synced: 10 Sep 2025

https://github.com/asif-shahriar/java-practice

Some basic java practice problems

data-structures intellij-idea java jdk8 oop

Last synced: 11 Apr 2026

https://github.com/emanebied/dsa-material

This repository is designed to help you understand and implement various data structures and algorithms. you'll find valuable resources here.

algorithms algorithms-and-data-structures data-structures

Last synced: 19 Mar 2026

https://github.com/edssaac/grokking-algorithms

Algoritmos desenvolvidos em C para o estudo do livro "Entendendo Algoritmos: Um guia ilustrado para programadores e outros curiosos" do autor Aditya Y. Bhargava.

algorithms c-language data-structures grokking-algorithms

Last synced: 28 May 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/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/zinaaan/algorithms-and-datastructures

Typical algorithms and data stuctures with java

algorithms data-structures java

Last synced: 12 Jun 2026

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/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/skudriashev/data-structures

Python Data Structures implementation examples

data-structures python

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/bam-j/algorithm-study

블로그 알고리즘 정리 포스트 코드 수록 + 코딩 테스트 코드 수록

algorithm data-structures javascript

Last synced: 31 Mar 2025

https://github.com/myselfakashagarwal/javase

HolyGrail ☕️ DataStructuresFromScratch with different unusual brain edging algo ; beats 100% in linked list implementations from scratch on leetcode

algo data-structures java-se

Last synced: 16 Mar 2025

https://github.com/victorhmp/mac323

Programming assignments and class notes

algorithms data-structures java

Last synced: 08 Apr 2025

https://github.com/mayankgupta-dev08/dsa-practice

my solutions to many dsa questions using Java

algorithms data-structures java practice

Last synced: 06 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/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/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/mondalbidisha/javascript-data-structures

A project that just contains a javascript implementation of the most common data structures and its algorithms.

binary-search-tree binary-tree data-structures javascript

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/gkamboj/leetcode

Collection of LeetCode questions to ace the coding interview!

data-structures java leetcode python

Last synced: 11 Jun 2025

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/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/dudubraga/estruturas-de-dados

Cadeiras - Programação Estruturada + Estruturas de Dados I e II

algorithms c data-structures java university-course

Last synced: 08 Apr 2025

https://github.com/bmf-san/go-radix-tree

Implementation of Radix Tree assuming use in HTTP Router.

algorithms compressed-tree data-structures go http-router patricia-tree radix-tree trie

Last synced: 24 Mar 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/lesiaukr/goit-algo-fp

Master's | Basic Algorithms & Data structures | Final Project

algorithms breadth-first-search-algorithm data-structures deapth-first-search goit-algo-fp monte-carlo

Last synced: 24 Mar 2025

https://github.com/drcbeatz/python-algorithms-and-datastructures

Easy to understand implementations of popular algorithms and data structures in Python, with tests using Pytest & CI with Github Actions.

algorithms continuous-integration data-structures github-actions pipenv pytest python type-hints

Last synced: 06 May 2026

https://github.com/gcsecsey/leetcode

Solutions for the LeetCode problems I've encountered.

algorithms data-structures leetcode leetcode-solutions

Last synced: 16 Mar 2025

https://github.com/azevedo-erick/a1-ds

Primeira avaliação da disciplina de estruturas de dados ministrada pelo professor Silvano Malfatti, foi implementado um jogo de blackjack.

blackjack data-structures java

Last synced: 12 Apr 2025

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/naveenrajm7/py-algo-ds

Algorithms and Data Structures in Python

algorithms data-structures python

Last synced: 24 Apr 2026

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/suchi25sathavara/sql

Revamping the Bike Rental Database for Operational Efficiency

data-structures erp sql

Last synced: 20 Jan 2026

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/oniani/bizarre-structures

Implementations of various data structures you might or might not have seen before

bizarre data-structures python3

Last synced: 29 May 2026

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

Data Structures for C

c collections data-structures

Last synced: 16 Mar 2025

https://github.com/donghl-dev/study-problem_solving

문제해결기법 수업에 대한 내용 및 정리 저장소

algorithm data-structures jdk8 problem-solving

Last synced: 30 Mar 2025

https://github.com/milanh34/gfg-160-days-dsa-challenge

🚀 Currently solving the GFG 160 Days DSA Challenge with Java — committing one problem a day, complete with clean solutions and markdown explanations. This is a live repository that's constantly evolving as I progress through the challenge. Follow along or fork it to start your own grind! 💻🔥

algorithms competitive-programming data-structure-and-algorithm data-structure-java data-structures data-structures-algorithms data-structures-and-algorithms dsa dsa-java geeksforgeeks-dsa geeksforgeeks-java geeksforgeeks-practice geeksforgeeks-solutions gfg-160 gfg-java gfg-practice gfg-questions gfg-solutions java solutions

Last synced: 22 Apr 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