Data

Tools

Indexes

Applications

Experiments

Awesome

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/samethope/arduino-structs

This is a small arduino "library" made of data structures for common IO components with common functionality for myself that I find extremely helpful.

arduino arduino-library arduino-uno data-structures

Last synced: 16 Sep 2025

https://github.com/afthaab/data-structures-in-golang

This repository is a comprehensive collection of various data structures implemented using the Go programming language.

data-structures leetcode-solutions

Last synced: 11 Oct 2025

https://github.com/figsoda/one-of

Rust library that introduces macros to represent and use types that can be converted either From or TryInto the given types

data-structure data-structures enum macro macros rust type

Last synced: 19 Jan 2026

https://github.com/massigy/c-hash-tables

This C project implments a Hash Table data structure.

c cprogramming data-structures gcc git github hashtable linked-list makefile

Last synced: 19 Oct 2025

https://github.com/richiepagard/c-algorithm

Write some algorithms with C programming language. I'm trying to write the best way that I can.

algorithms c cprogramming data-structures

Last synced: 18 Jan 2026

https://github.com/ranaessam03/vectorclass

Vector class implementation using c++

data-structures object-oriented-programming

Last synced: 10 Oct 2025

https://github.com/shwetajoshi601/cracking-the-coding-interview-solutions

This repository contains my solutions to the problems in the book Cracking the Coding Interview.

cracking-the-coding-interview ctci ctci-solutions data-structures java solutions

Last synced: 10 Oct 2025

https://github.com/iboudhaine/hnsw-attribute-filtering-optimization

Optimizing multi-attribute filtering for Approximate Nearest Neighbor (ANN) search using HNSW. This project integrates bitsets and Roaring Bitmaps into HNSWLib to accelerate query performance by reducing evaluation costs for large attribute datasets.

ann-search approximate-nearest-neighbor bitsets cpp data-structures efficient-filtering hnsw optimization roaring-bitmaps

Last synced: 10 Oct 2025

https://github.com/0xkalvin/data-structures-and-algorithms

Data structures, algorithms and leet code problems

algorithms data-structures leetcode

Last synced: 09 Oct 2025

https://github.com/bl33h/byletter

Categorize words by their starting letter in a dictionary.

algorithms data-structures dictionary logic python text-processing word

Last synced: 09 Oct 2025

https://github.com/joshsizer/my-malloc

Linked-list implementation of the standard C library function “malloc.” Uses a first-fit algorithm with support for coalescing.

algorithm coalescing data-structures first-fit linked-list

Last synced: 28 Jun 2025

https://github.com/odilson-dev/hashmap

The Hashmap Project is an assignment from TOP's curriculum, where participants work on creating and implementing a hashmap data structure as part of their learning exercises.

data-structures hashmap ruby theodinproject

Last synced: 24 Oct 2025

https://github.com/researchlab/abp

Algorithms Best Practices (ABP™)

algorithms data-structures

Last synced: 25 Dec 2025

https://github.com/lucasguiss/algorithms

Algorithms and data structures in Go

algorithm data-structures go

Last synced: 24 Oct 2025

https://github.com/denezt/working-with-pointers-and-data-structures

A beginner to advanced guide for working with pointer and data structures in C Programming Language

arrays c data-structures low-level pointers wrapper

Last synced: 26 Feb 2025

https://github.com/jilliennelapid/stackcalculator

Project 1: A Stack (Data Structure) Calculator that implements strings and infix/postfix notation to compute basic operations.

cpp data-structures infix-to-postfix iomanip stack stack-calculator stacks strings

Last synced: 08 Oct 2025

https://github.com/lesiaukr/goit-algo-hw-02

Master's | Basic Algorithms & Data structures | Module 2 | Main Data Strucrures

data-structures deque doubly-linked-list goit-algo-hw-02 graph hash-tables linked-list lists queue stack

Last synced: 24 Mar 2025

https://github.com/dzenis-h/data-structures-and-algorithms

JS Interview preparation 👨‍💻 📊 📋

algorithms data-structures es6 interview-questions javascript

Last synced: 08 Oct 2025

https://github.com/saka7/algorithms

Algorithms and data structures in TypeScript

algorithms cumputer-science data-structures typescript

Last synced: 18 Mar 2025

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

Implementing Stack in python by importing deque library, creating Class of Stack and making functions of stack implementations.

class data-structures googlecolaboratory pop push pycharm python python3 stack

Last synced: 17 Nov 2025

https://github.com/lsegg/javascript-algorithms-and-data-structures

Code accompanying the Udemy course JavaScript Algorithms and Data Structures Masterclass by Colt Steele

algorithms algorithms-and-data-structures colt-steele data-structures data-structures-and-algorithms javascript

Last synced: 03 Mar 2025

https://github.com/vikramgujar/logical-problem-solving

A daily updated collection of Java solutions to logical problems like arrays, strings, recursion, and more. Perfect for coding practice, interviews, and enhancing problem-solving skills.

algorithms arrays coding coding-practice competitive-programming daily-coding data-structures interview-preparation java java-exercises logical-problems problem-solving programming-challenges recursion strings

Last synced: 26 Feb 2025

https://github.com/nouemankhal/competitive-programming

Some of my solutions for competitive programming problems in different Online Judges ( Codeforces, UVa, SPOJ, Kattis...) and contests

algorithms competitive-programming data-structures

Last synced: 08 Oct 2025

https://github.com/iamkira420/student-management-system

Basic Student Management System thatallows users to perform CRUD (Create, Read, Update, Delete) operations on a list of students.

cli cpp data-structures database oop sql terminal

Last synced: 26 Aug 2025

https://github.com/neuodev/linkedlist

Build Linked List. Methods: reverseLinkedList, getKthFromTheEnd, toArray, size, indexOf, contains, deleteLast, deleteFirst, addFirst, addLast

data-structures linked-list reverse-linked-list

Last synced: 05 Mar 2025

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

This repo contains some data structures and algorithms I've implemented.

algorithms data-structures data-structures-and-algorithms problem-solving

Last synced: 25 Oct 2025

https://github.com/deepanshu-rawat6/java-dsa-prep

Experimenting with data structures and algorithms!

algorithms data-structures java

Last synced: 24 Apr 2025

https://github.com/ryomendev/dsa

This repository is dedicated to learning and practicing Data Structures and Algorithms (DSA). It contains solutions to various problems, ranging from basic to advanced topics, helping enhance problem-solving skills and understanding core DSA concepts through hands-on coding.

algorithms algorithms-and-data-structures cpp data-structures

Last synced: 26 Oct 2025

https://github.com/siyamulislam/oop_ps

AN INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING WITH JAVA™, FIFTH EDITION

data-structures java oop problem-solving

Last synced: 26 Oct 2025

https://github.com/mikemwai/massive

Amazon massive dataset processing project

data-structures google-drive-api

Last synced: 26 Oct 2025

https://github.com/aritrac1/java

All the Basics concepts of Java, OOPs, DSA in Java and some Projects along practice problems(leetcode and other platforms) and other resources.

algorithms competitive-programming data-structures dsa dsa-algorithm dsa-practice exception-handling java java-basics java-projects leetcode leetcode-java maths multithreading oops-in-java patterns practice-programming project

Last synced: 26 Oct 2025

https://github.com/emahtab/problem-solving

Problem Solving questions

algorithms data-structures java

Last synced: 18 Mar 2025

https://github.com/thomasthaddeus/musicalchairs

This project contains implementations of a seating arrangement algorithm using four different approaches: us module, using standalone functions, and using Python's zip function along with the built-in sorted function.

data-structures interview-questions lgplv3 optimization-algorithms python python3

Last synced: 26 Oct 2025

https://github.com/stuyy/graph

A simple Graph Data Structure.

algorithms data-structures graph graph-theory graphtheory java

Last synced: 07 Oct 2025

https://github.com/nixtomalon/guess-the-number

🎲 A basic text-based game developed using the C programming language.

basic-programming c console-application data-structures fundamentals game sample-project

Last synced: 24 Jan 2026

https://github.com/hasnainroopawalla/algorithm-visualization-python3

Draw Graphs and Visualize Algorithms (Sorting, Shortest Path, etc,) in Python3 (Pygame)

data-structures pygame python3 shortest-path-algorithm sorting-algorithm-visualizations visualize-algorithms

Last synced: 06 Oct 2025

https://github.com/ranitmanik/leetcode-solutions

Welcome to my Leetcode solutions repository! This is a collection of my solutions to various Leetcode problems, showcasing my problem-solving skills and coding practices

365daysofcode algorithms consistency data-structures data-structures-and-algorithms datastructures-algorithms java leetcode leetcode-java leetcode-javascript leetcode-practice leetcode-python leetcode-questions leetcode-solutions

Last synced: 23 Mar 2025

https://github.com/chihebabiza/my-cpp-stack-array

A lightweight, template-based stack class built on top of the `clsMyQueueArr` class, which in turn uses a custom dynamic array (`clsDynamicArray`). This class provides basic stack behavior (LIFO – Last In, First Out) by inserting new elements at the beginning of the internal array.

cpp cpp-library data-structures oop stack

Last synced: 16 Mar 2026

https://github.com/diable201/ads2021_practice

Codes from practice lessons

algorithms cpp data-structures

Last synced: 12 Dec 2025

https://github.com/ragul-rofi/stackimplementation2python

Beginner Stack Implementation in Python

data-structures dsa python stack

Last synced: 30 Mar 2025

https://github.com/rmodi6/minesweeper-game

The age-old annoying Minesweeper game on Windows implemented in Java using Java Swing tools.

data-structures java java-game java-swing java-swing-game minesweeper-game

Last synced: 29 Aug 2025

https://github.com/elliotekj/doubly_linked_list

A fast, amortised O(log n) doubly linked list implementation

data-structures doubly-linked-list elixir

Last synced: 17 Mar 2026

https://github.com/virjilakrum/merkle_proof_file_transfer

merkle_proof_file_transfer is an open-source project designed to demonstrate the use of Merkle proofs for secure and efficient file transfer.

data-structures file-transfer merkle-hash-trees merkle-proof merkle-tree move

Last synced: 05 Oct 2025

https://github.com/atereshkov/hackerrank

My HackerRank solutions and practice written in Swift

algorithms data-structures hackerrank hackerrank-solutions swift swift5

Last synced: 24 Mar 2025

https://github.com/nouranhaitham/ds_guide_me

An application designed to help travelers navigate a country efficiently while staying within budget.

academic-project algotithms bfs-algorithm budget-travel cplusplus css data-structures dfs-algorithm graph gui guide-me qt route-planning software-development traveltech

Last synced: 31 Jan 2026

https://github.com/betarixm/csed233

POSTECH: Data Structure (Spring 2020)

data-structures graph postech sort trees

Last synced: 26 Dec 2025

https://github.com/utkarshmishra12/leetcode_solutions

LeetCode Solutions - Repository For Codes Of Various Data Structures And Algorithms and Competitive Programming Problems

algorithms coding-solutions cpp data-structures interview interview-preparation leetcode leetcode-cpp leetcode-cpp-solutions leetcode-solutions

Last synced: 21 Feb 2025

https://github.com/r533-code/colt-cpp

C++ data structures, Unicode-aware string, allocators and other utilities used throughout the Colt Compiler.

allocators cpp20 data-structures string unicode

Last synced: 25 Feb 2026

https://github.com/hubenchang0515/luminous

Luminous is a DATA STRUCTURE and ALGORITHMIC library of C programming language.

c data-structures

Last synced: 11 Mar 2025

https://github.com/hqarroum/binary-search-tree

🌳 A set of idiomatic implementations of a binary-search tree in multiple languages.

algorithms-and-data-structures binary-search-tree bst-tree c cpp17 data-structures python tree-structure

Last synced: 02 Feb 2026

https://github.com/orabazu/js-data-structures

Some of the data structures implemented in Javascript

data-structures javascript

Last synced: 07 Jul 2025

https://github.com/reity/are

Library for defining and working with abstract regular expressions that support strings/sequences with elements of any symbol type, with an emphasis on supporting scenarios in which it is necessary to work with regular expressions as abstract mathematical objects.

data-structures python python-library re-to-nfa regular-expressions regular-languages theory-of-computation

Last synced: 13 Sep 2025

https://github.com/abhishekyadav-01/metro-navigator

This project implements a Metro Station Management System using advanced data structures in C++. The system efficiently manages metro lines and stations, supports real-time route planning, and calculates optimal ticket fares using pathfinding algorithms.

algorithms avl-tree-implementations cpp17 data-structures oops-in-cpp

Last synced: 08 Feb 2026

https://github.com/orxfun/orx-fixed-vec

An efficient fixed capacity vector with pinned element guarantees.

data-structures pinned pinned-elements rust vector

Last synced: 17 Mar 2026

https://github.com/harismuneer/queue-and-stack

🎈 A C++ implementation of two datastructures: queue and stack

cplusplus data-storage data-structures datastructures free-to-use open-source-code queue stack

Last synced: 09 Feb 2026

https://github.com/forketyfork/coding-problems

Solutions to various coding problems from LeetCode, HackerRank, Daily Coding Problem etc. Each problem is accompanied by unit tests.

algorithms coding-problems data-structures hackerrank java leetcode

Last synced: 26 Feb 2026

https://github.com/wesleybertipaglia/algorithms

This collection houses my implementations of various algorithms, data structures, and problem-solving solutions. The code is written in JavaScript, TypeScript, C, C++, Go, and Python.

algorithms c cpp data-structures go js python repository ts

Last synced: 11 Mar 2025

https://github.com/pedroth/nabla.js

Mathematical & Computer Science reference implementation, of various algorithms and concepts.

algorithms computer-science data-structures mathematics

Last synced: 21 Feb 2026

https://github.com/palak-463/javadsa

Join me on an adventure where I tackle data structures and algorithms using Java, sharpening my problem-solving skills along the way. 🖥️

algorithms data-structures dsa java problem-solving

Last synced: 17 Jun 2025

https://github.com/asiimwedismas/java_data_structures

Implementation of a few data structures written in Java, complete with tests.

data-structures java

Last synced: 29 Mar 2025

https://github.com/awais-124/stack-expression-converter

Expressions Converter. Third semester project using data structures concept.

cpp data-structures expression-converter-application programming stack

Last synced: 07 Apr 2025

https://github.com/rishabh96b/simple-coding-solutions

Here you can find the code for simple programs. This is for beginners who can take reference from these solutions.

coding data-structures python

Last synced: 25 Mar 2025

https://github.com/iboud0/hnsw-attribute-filtering-optimization

Optimizing multi-attribute filtering for Approximate Nearest Neighbor (ANN) search using HNSW. This project integrates bitsets and Roaring Bitmaps into HNSWLib to accelerate query performance by reducing evaluation costs for large attribute datasets.

ann-search approximate-nearest-neighbor bitsets cpp data-structures efficient-filtering hnsw optimization roaring-bitmaps

Last synced: 21 Feb 2025

https://github.com/albinj12/go-data-structures-and-algorithms

Data Structures and Algorithms implemented using Go

algorithms data-structures dsa go golang

Last synced: 25 Mar 2025

https://github.com/shoyeb45/avltreevisualizer

This is data structure project. In this project I've built AVL tree visualisation application using javafx library of java. This project have solidified my understanding of AVL tree data structure and learnt a lot from this project

data-structures data-visualization java javafx javafx-application visualization

Last synced: 27 Feb 2026

https://github.com/sagar-gavhane/rahome

Popular data structures for writing efficient programs in JavaScript.

data-structures hashtable javascript linked-list queue stack typescript

Last synced: 11 Feb 2026

https://github.com/jojusuar/c-linkedlist

C implementation of a generic linked list with queue and stack functionalities

c data-structures linked-list queue stack

Last synced: 21 Jul 2025

https://github.com/thais81/whatdogru

Personnal project. Funny Php app to find which dog breed you would be if you were a dog. No framework but cool design patterns! One month work alone.

data-structures database design-patterns interactive javascript pdo-mysql php8 quiz

Last synced: 10 Jun 2025

https://github.com/opixelum/brain-disk

Obsidian project where I store everything I've learnt.

ai algorithms coding data-structures deep-learning machine-learning maths neural-network programming

Last synced: 19 Mar 2026

https://github.com/spideystreet/ai-learning-journey

Documenting my journey in learning Artificial Intelligence, with a focus on Data systems & Machine / Deep Learning and their applications. Includes structured notes and interesting research papers. Updated regularly as I learn.

academic data-structures education learning machine-learning

Last synced: 09 Mar 2026

https://github.com/danielbas33/algoexpert

My solutions to algoExpert.io coding questions

algorithms data-structures

Last synced: 18 Jan 2026

https://github.com/bam-j/datastructure

자료구조 C언어 구현

c data-structures

Last synced: 31 Mar 2025

https://github.com/neelanjan00/grid-path-finder

A web app for finding and visualizing the path between a source position and a destination position in a grid using Graph algorithms such as BFS, DFS, Dijkstra, etc.

algorithms data-structures graph-theory reactjs search-algorithm

Last synced: 11 Jun 2025

https://github.com/alexkalderimis/adventofcode

My solutions for the code exercises posted at https://adventofcode.com/

adventofcode algorithm-challenges data-structures

Last synced: 04 Mar 2025

https://github.com/mdawoud27/data_structures_and_algorithms

Data Structures and Algorithms, you'll find comprehensive notes, explanations, and implementations of various data structures and algorithms.

arrays bigonotation binary-tree binary-trees c cpp data-structures hashtable javascript linked-list queues searching-algorithms sorting-algorithms stack stl

Last synced: 26 Mar 2025

Data structures Awesome Lists
awesome-leetcode-resources 79 best-of-python 715 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 Data-Structures-Algorithms-Python 80 Algorithms-and-Data-Structures 47 data-structures-in-open-source 31 awesome-nodejs-pure-js 96 awesome-interview 74 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 144 Database 130 Web Frameworks 107 Third-party APIs 105 Miscellaneous 101 ✅ Algorithms 97 Exercises 92 Networking 89 Testing 89 Command Line 87 Websites 86 ✅ Data Structures 83 Configuration 83 Data Pipelines & Streaming 82 命令行工具 80 Data Structures and Algorithms 76 Machine Learning 76