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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/beling/algorithms_python

Python implementation of some algorithms and data structures.

algorithm algorithms data-structures data-structures-algorithms data-structures-and-algorithms

Last synced: 15 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/francescobarbieri/codingchallenges

Solutions to various coding problems from renowned platforms like Advent of Code, LeetCode, and more.

algorithms coding-challenges data-structures interview-prep problem-solving

Last synced: 31 Mar 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/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/pedro-estevao/data-structures

Implementations in C++ of algorithms and data structures developed in the Data Structures course at Centro Universitário Barão de Mauá. Includes lists, stacks, queues, trees, graphs, hash tables, and sorting and searching algorithms.

academic-project algorithms algorithms-and-data-structures baraodemaua c computer-science cplusplus cpp data-structures graphs hash-table lists programming queues searching-algorithms stacks tree trees

Last synced: 08 Apr 2025

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/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/prakharjadaun/data-structures-upes

Repository contains all the experiments that I have implemented in Data Structures Lab.

data-structures hashtable heapsort linked-list queues stack

Last synced: 28 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/sajalkmr/dslab

Data Structures Lab – BCSL305 VTU

data-structures vtu

Last synced: 15 Mar 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/tawfik-s/data-structure-and-some-algoritms-and-tricks

some data structure implementation and algorithms

algorithms data-structures

Last synced: 11 Apr 2026

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/rurangiza/dsa

Exploring data structures and algorithms

algorithms cracking-the-coding-interview data-structures leetcode

Last synced: 18 Mar 2025

https://github.com/rurangiza/dojo

Learning data structures and algorithms

algorithms data-structures

Last synced: 18 Mar 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/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/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/asif-shahriar/java-practice

Some basic java practice problems

data-structures intellij-idea java jdk8 oop

Last synced: 11 Apr 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/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/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/leecason/datastrcutures-and-algorithms

javascript的数据结构与算法

algorithms data-structures javascript

Last synced: 14 Oct 2025

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

Python Data Structures implementation examples

data-structures python

Last synced: 24 Mar 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/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/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/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/cassxw/leetcode-practice

My daily Leetcode practice repository, featuring solved problems, categorised solutions, and a structured roadmap for mastering data structures and algorithms.

algorithms coding-challenges competitive-programming data-structures dsa java leetcode leetcode-java leetcode-python leetcode-solutions problem-solving python

Last synced: 30 Apr 2026

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/tmzane/leetcode

✍️ My LeetCode solutions written in Go

algorithms data-structures go leetcode

Last synced: 20 Apr 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/villaleo/python-linked-list

Implements the Linked List data structure using Python.

data-structures python3

Last synced: 18 Mar 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/thenocturnaldevgypsy-io/duskgrimoires-java-lab-exercises

DuskGrimoires : Java library/source codes that I've coded and used for lecturing CS/IT subjects and topics during my career as Assistant Professor for BSCS, BSIT and BSCOE way back late 2012 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 duskgrimoires java programming programming-exercises thenocturnaldevgypsy thenocturnaldevgypsy-io

Last synced: 26 Feb 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/dorosch/datastructures

Rust implementations of data structures

algorithms data-structures educational-project rust

Last synced: 18 Jun 2025

https://github.com/anindya-prithvi/dsa-sem2plus

Nothing impressive here, just thousands of lines of code trying to solve problems manually implementing data structures and algorithms.

algorithms data-structures

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/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/gcsecsey/leetcode

Solutions for the LeetCode problems I've encountered.

algorithms data-structures leetcode leetcode-solutions

Last synced: 16 Mar 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://gitlab.com/dawn_app/grapes

Persistent graph data structures

data-structures graph immutable persistent rust rust-lang tree

Last synced: 24 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/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/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/gossiperloturot/typemap

Typemap provides unique type key and value pair.

data-structures rust

Last synced: 03 Jul 2025

https://github.com/abdo-essam/merge-sort

Merge Sort - Data Structures

data-structures merge-sort sorting-algorithms

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/abhinandpn/dsa-golang

Data structure and algorithm in golang

algorithm data-structures golang linked-list

Last synced: 04 Apr 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

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