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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/kharzixen/data-structures-and-algorithms

This project is dedicated to implementing a variety of fundamental data structures and algorithms in C++ for educational purposes. The goal is to enhance my understanding of core computer science concepts through hands-on coding and problem-solving.

algorithms data-structures list queue stack vector

Last synced: 08 Jun 2026

https://github.com/jackfirth/rpn

A Racket package for working with Reverse Polish Notation stack structures

data-structures forth racket reverse-polish-notation

Last synced: 18 Feb 2026

https://github.com/kritika30032002/sde_sheets_solutions

Here Solutions to the SDE sheets are available to help students with the optimized solution and understanding of each question. Give it a Star 🌟If it helps you

algorithms-and-data-structures data-structures dsa interview-preparation interview-preparation-resources interview-questions open-source sde-sheet

Last synced: 11 Oct 2025

https://github.com/ososuna/coding-interview

Coding afternoons for cracking the coding interview

algorithms coding-interviews cpp data-structures

Last synced: 29 Apr 2026

https://github.com/dylankle/dungeon-first-search

Checks if a graph in the form of a dictionary has an exit

data-structures depth-first-search

Last synced: 12 Oct 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/jazaltron10/king_java

Explore the essentials of computer science with this Java repository—a comprehensive guide to fundamental Data Structures and Algorithms. Delve into efficient software design, navigate Java intricacies, and fortify your coding skills for the challenges in the vast landscape of computer science.

algorithms coding-challenges coding-interviews data-structures gui-application java

Last synced: 08 Jun 2026

https://github.com/likweitan/stutter

Write a method stutter that accepts a queue of integers as a parameter and replaces every element of the queue with two copies of that element for example [1, 2, 3] becomes [1, 1, 1, 2, 2, 2, 3, 3, 3].

data-structures

Last synced: 12 Oct 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/kalebers/data_structures_masters_2025

Repositorio para trabalhos da materia de Estrutura de Dados no Mestrado de Cybersegurança na PUCPR.

arrays binary-search-tree data-structures hash-table python

Last synced: 12 Oct 2025

https://github.com/kcenon/go_container_system

High-performance, type-safe container framework for Go with 15 value types, message container support, and cross-language binary serialization. Provides complete binary format compatibility with C++/Rust implementations, multiple serialization formats (Binary, JSON, XML), and comprehensive test coverage.

binary-format container cross-platform data-structures framework golang interoperability messaging serialization type-safe

Last synced: 05 Feb 2026

https://github.com/talenfisher/cis152

Class materials from CIS152: Data Structures and Algorithms in Java

data-structures java

Last synced: 12 Oct 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/robin-mlh/treedatastructure

Tree-based data structure system with functions for adding, modifying, deleting or reading data from a directory path.

data-structures functions python utils

Last synced: 12 Oct 2025

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

Creating class of Queue, which contains functions of queue implementation, by importing deque library.

class data-structures dequeue enqueue googlecolaboratory python python3 queue

Last synced: 12 Oct 2025

https://github.com/didogrigorov/leetcode-may-daily-challenges-2023

Python solutions to LeetCode's May 2023 Daily Challenges, organized by date. Ideal for practicing coding, mastering Python, and preparing for interviews.

algorithm-challenges algorithms algorithms-and-data-structures coding coding-challenge coding-challenges coding-interviews data-structures interview leetcode leetcode-python leetcode-solutions programming python python3

Last synced: 12 Oct 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/taeguk/data-structure

Implementation of various data structures

data-structures study

Last synced: 12 Oct 2025

https://github.com/r-n/calculatorstring

Calculator that takes math expression string as input like in Python

c calculator data-structures expression-evaluator interpreter linked-list math string-parsing

Last synced: 13 Oct 2025

https://github.com/clearxs/go-algorithms-and-data-structures

go implementation algorithms and data-structurs

algorithms data-structures go leetcode

Last synced: 20 May 2026

https://github.com/nickradford/ts-data-structures

Common data structures implemented as generic classes in Typescript.

data-structures generics typescript typescript-library

Last synced: 19 Jan 2026

https://github.com/myloft/data_structure

数据结构实验

data-structures

Last synced: 06 Nov 2025

https://github.com/jeanbou/tech-interview-questions

A good collection of real-world coding interview problems, algorithm challenges & technical questions solved during application processes or its preparation for top tech companies. Includes multiple solutions for firms like Meta (Facebook), Goldman Sachs, Rakuten, Barclays, Line, Lifeware, Odoo, SES, Talkwalker & etc. Perfect for tech interview

algorithms code coding-challenges data-structures faang interview-preparation leetcode love tech-interviews

Last synced: 03 Feb 2026

https://github.com/rstacks/leetcode-write-ups

My solutions to foundational LeetCode problems, complete with explanations and alternative solutions. All solutions are written in Python.

algorithms data-structures data-structures-and-algorithms leetcode leetcode-solutions python3

Last synced: 13 Oct 2025

https://github.com/cvinicius987/data-structure-algorithms-golang

Data Structures and Algorithms with examples using Golang

algorithms data-structures golang

Last synced: 08 Jun 2026

https://github.com/navneethg/poppy

Battle tested algorithms and data-structures for your next space-mission or casual reading.

algorithms data-structures library python

Last synced: 10 Apr 2026

https://github.com/danielslew/leet_code_problems

Data structures and Algorithms Practice

algorithms data-structures ruby

Last synced: 14 Oct 2025

https://github.com/mariantaragel/setcal

Set and relation calculator

c data-structures project

Last synced: 14 Oct 2025

https://github.com/kevinknights29/dsa_in_python

This repo contains pythonic implementation of data structures and algorithm

algorithms data-structures python

Last synced: 22 Mar 2025

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

Repository for the Data Structures course

c data-structures

Last synced: 01 Jul 2026

https://github.com/kevinknights29/dsa_in_java

This repo contains data structures and algorithms implemented in Java.

algorithms data-structures java

Last synced: 22 Mar 2025

https://github.com/nelsonbn/algorithms-data-structures-stack

Algorithms and Data Structures - Stack

algorithms data-structures stack

Last synced: 14 Oct 2025

https://github.com/imtjl/fp-red-black-tree-dict

TreeDict - Implementation of Dict based on Red Black Tree in Elixir

data-structures elixir functional-programming red-black-tree

Last synced: 30 Aug 2025

https://github.com/romantech/algorithm-study

알고리즘 / 자료구조 스터디

algorithms data-structures programmers

Last synced: 30 Mar 2025

https://github.com/jjfiv/csc212arraylists

CSC212 Array-Based List Implementations

array-list data-structures dynamic-array smith-csc212

Last synced: 30 Aug 2025

https://github.com/samad-yar-khan/competetive-programming

This is a repository for all the competitive programming contests/

competitive-programming data-structures problem-solving

Last synced: 14 Oct 2025

https://github.com/bchavs12/js_datastructure

Learning about Data structures

data-structures java

Last synced: 20 Apr 2026

https://github.com/bohdan-konovalov/algo-challenges

💡 Real-world algorithm challenges inspired by actual interviews. Practice, debug, and grow your skills — one challenge at a time.

algorithms coding-challenges data-structures interview-prep jest problem-solving react-native technical-interviews typescript

Last synced: 04 May 2026

https://github.com/theronwolcott/data-structure-phonebook

This project implements Ordered Linear Probing (OLP) and Quadratic Probing (QP) for collision resolution in hash tables, supporting soft deletion, hard deletion, and auto-resizing with prime number capacities for optimal performance.

data-structures hash-tables java

Last synced: 14 Oct 2025

https://github.com/theronwolcott/data-structure-kdtree-prquadtree

Implemented KD-Trees and PR-QuadTrees with efficient spatial queries, using inheritance and polymorphism. Optimized k-NN and range searches, dynamic node transformations, and geometric computations for high performance.

data-structures java trees

Last synced: 14 Oct 2025

https://github.com/zelflod/aisd

Algorithms Course Problems solved

algo data-structures technopark

Last synced: 14 Oct 2025

https://github.com/failpt/avl-csharp

Generic AVL tree implementation and testing in C#

avl avl-tree bst csharp data-structures generic generic-library self-balancing-trees

Last synced: 30 Aug 2025

https://github.com/sarmad426/dsa

DSA (Data Structures and Algorithms). This Repository covers the fundamental and advance concepts of data structures using C++.

algorithms cpp data-structures programming

Last synced: 30 Aug 2025

https://github.com/abelnnieva/javascript-algorithms-data-structures

JavaScript Algorithms and Data Structures Certification from freeCodeCamp. Includes exercises and certification projects.

algorithms data-structures freecodecamp javascript

Last synced: 28 Aug 2025

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/pedroestevaodev/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: 24 May 2026

https://github.com/astro-ph/cosmolib

Easy-to-use formats and plots for cosmological observables

cosmology data-structures library plotting visualization

Last synced: 22 Jan 2026

https://github.com/khaledsalshibani/cpp-nested-linked-lists

This repository was created as a college assignment. It includes detailed explanations for each file, class, and method used. The project implements nested linked lists for handling basic file operations.

cpp cpp-tutorials data-structures file-handling linked-list

Last synced: 24 Aug 2025

https://github.com/ikeraguero/javascript-course

This repo provides a place for uploading projects and concepts from Jonas Schmedtmann's 'The Complete JavaScript Course', focused on the essentials of vanilla JS and how it works below the surface.

apis data-structures dom-manipulation javascript oop

Last synced: 23 Aug 2025

https://github.com/phmatray/redblack

A C# implementation of a Red-Black Tree with full unit tests

algorithms csharp data-structures dotnet redblack-tree

Last synced: 09 Jun 2026

https://github.com/primeeagle/vnet.datastructures

A class library that provides many data structures not found in the .NET standard libraries.

data-structures dotnet dotnet-core dotnet-library

Last synced: 22 Apr 2026

https://github.com/ndsvw/simple-unionfind

A very simple implementation of the UnionFind data structure (Java)

circle-detection data-structures union-find

Last synced: 15 Oct 2025

https://github.com/mizcausevic-dev/zig-agent-graph-db

In-memory directed graph DB in Zig for AI agent context graphs. Typed nodes (agent, tool, fact, result, citation), labeled edges, BFS traversal, JSON serialization. Pure Zig stdlib, zero deps.

agent ai-agents data-structures embedded graph graph-database platform-engineering systems-programming zig ziglang

Last synced: 01 Jun 2026

https://github.com/leoobarbosa2/data-sctructures

General information about Data Structures and how to implement it.

data-structures data-structures-and-algorithms

Last synced: 22 Aug 2025

https://github.com/bytelu/text-generator

Random text generation based on a preprocess of data with markov method based on a corpus data structure.

data-structures natural-language-processing random-generation

Last synced: 12 Jul 2025

https://github.com/felipenobrg/c-exercices

C exercises for my college.

arrays c data-structures pointers

Last synced: 22 Aug 2025

https://github.com/shubhamvv611/crm-management-system-for-kasturi-agency

I alone have developed the best CRM (Customer Management System) for the business of Kasturi Agency and have done all the project design and data flow management from the beginning, I alone have made this project using technology like Bootsrap4 HTML5 CSS3, PHP6, jQuery, Data tables JS, Purify CSS, and JavaScript

banners bootstrap crm css3 data-structures html-css-javascript html5 javascript jquery load-balancer load-balancer-test mobile-web optimization-algorithms php6

Last synced: 14 Mar 2026

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

Implementation of the most popular algorithms and data structures in Python.

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

Last synced: 21 Aug 2025

https://github.com/nicovandenhooff/advent-of-code-2022

This repository contains my solutions to the Advent of Code 2022 coding challenge.

advent-of-code advent-of-code-2022 algorithms data-structures optimization python

Last synced: 21 Aug 2025

https://github.com/antonygz/estructura_de_datos

Implementaciones y explicaciones de estructuras de datos en distintos lenguajes.

data-structures graphs queues stack trees

Last synced: 27 Jan 2026

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

Data Structures and Algorithms implemented in Javascript

algorithms data-structures data-structures-and-algorithms

Last synced: 16 Oct 2025

https://github.com/athulsabu2002/s3_ds_lab

Data Structures and Algorithms lab programs for S3 CSE B.Tech. Comprehensive implementation of sorting algorithms, linear/non-linear data structures, graph algorithms, and mathematical applications in C.

data-structures ktu lab s3

Last synced: 20 Aug 2025

https://github.com/souravsuvarna/cash-flow-minimizer-web-application

This is Data Structure & Algorithm Based Model Project. Which Minimizes the Cash Flow Between Set of friends using Greedy Algorithm technique . Here we integrated model with by considering 3 persons involving in the transaction.

algorithms-and-data-structures data-structures python3

Last synced: 17 Oct 2025

https://github.com/janeberry/evilhangman

Twist version of classic Hangman Game

data-structures maps sets

Last synced: 20 Aug 2025

https://github.com/koehlma/sharedvec-rs

A fast but limited ordered collection for storing values of a single type.

data-structures rust

Last synced: 17 Oct 2025

https://github.com/carlosagalicia/tc1031-act43-integral-activity-graphs-template-ad2023

This program processes a forest represented as a graph, counting the number of trees and acorns. It uses maps and vectors to manage the vertices and edges, determining the connections and components of the graph.

cplusplus cpp data-structures labs

Last synced: 09 Jun 2026

https://github.com/mezdelex/rustexamples

All kind of different exercises in Rust.

borrowing concurrency data-structures mutability rust

Last synced: 01 Jun 2026

https://github.com/abhinandanmishra1/leetcode-practice

Practicing questions on leetcode and solutions are being reflected here

algorithms daily-coding-problem data-structures dsa-practice leetcode leetcode-cpp leetcode-solutions

Last synced: 19 Aug 2025

https://github.com/abdo-essam/red-black-tree

Red Black Tree - Data Structure

data-structures pointers redblack-tree

Last synced: 18 Oct 2025

https://github.com/daniilroman/heaps_comparison

C++ implementations and comparison of heap data structures

binomial-heap d-tree data-structures heap leftist-heap skew-heap

Last synced: 19 Aug 2025

https://github.com/dpetrosy/saed_visitors_program

In this repository, I store my course project "Visits and visitors program", which I've done during my university education.

algorithm console-application course-work cpp cpp11 data-structures problem-solving university-project

Last synced: 19 Aug 2025

https://github.com/vaibhavmojidra/data-structures---arrays-in-java

Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.

arrays data-structures java mojidra vaibhav vaibhav-mojidra vaibhavmojidra

Last synced: 18 Oct 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