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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/deadcoder0904/datastructures-practice

Data Structures Practice in C++ :heart_eyes:

c-plus-plus cpp data-structure data-structures datastructures

Last synced: 12 Jun 2026

https://github.com/akaliutau/python-idioms

Effective Python

data-structures python3

Last synced: 12 Jun 2026

https://github.com/harrisonhemstreet/dsa-python

Data Structures and Algorithms! (plus some Leetcode!)

algorithms data-structures dsa leetcode leetcode-python python3

Last synced: 12 Jun 2026

https://github.com/sanjaraiy/dsa_series

Explore the efficiency of countSort in this DSA playground! 📊✨ Master sorting algorithms with hands-on practice.

alogrithms countsort cpp data-structure-and-algorithm data-structures vscode

Last synced: 13 Jun 2026

https://github.com/nairuzabulhul/leetcode

LeetCode problems in Python -- Algorithms & DS

algorthims data-structures python

Last synced: 13 Jun 2026

https://github.com/roydevashish/cpp

This repository contains a collection of C++ programs, algorithms, and examples. It is designed for learners and developers interested in exploring fundamental and advanced concepts in C++ programming, including data structures, algorithms, object-oriented programming, and more. Contributions and suggestions are welcome!

algorithms cpp data-structures object-oriented-programming oop

Last synced: 13 Jun 2026

https://github.com/brendanddev/struccs

A lightweight, generic C library of fundamental data structures. No dependencies, no standard container libraries.

algorithms data-structures memory-management

Last synced: 14 Jun 2026

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

data structure implementations

c data-structures

Last synced: 14 Jun 2026

https://github.com/lucasmcclean/dsa

A collection of data structures and algorithms implemented in Go.

algorithms data-structures data-structures-and-algorithms dsa go golang

Last synced: 14 Jun 2026

https://github.com/wassimans/algorithms-and-data-structures-in-rust

Rust implementations for some algorithms and data structures.

algorithms data-structures rust-lang

Last synced: 15 Jun 2026

https://github.com/yaxsomo/aerosentinel-relay-protocol

A complete custom protocol for rocketry applications with Aerosentinel Ecosystem.

aerospace communication data-structures ground-station library multiprocessor-systems packets protocol

Last synced: 15 Jun 2026

https://github.com/tracehelms/algorithms

Implementations of algorithms and data structures

algorithms data-structures typescript

Last synced: 15 Jun 2026

https://github.com/aabduvak/ft_containers

The multiple available containers in C++ all have a very different usage. To make sure you understand them all, let's re-implement them!

42istanbul 42school containers data-structures stl

Last synced: 15 Jun 2026

https://github.com/kingcitaldo125/linked-list-c

Basic Linked List in C

c data-structures linked-list

Last synced: 15 Jun 2026

https://github.com/rsgoksel/data-structures-cpp

Foundations of Data Structures in C++: Descriptions and Illustrations

binary-search-tree binary-tree cpp data-structures linked-list queue

Last synced: 17 Jun 2026

https://github.com/caiogmrocha/rust-studies

Repositório dedicado à criação e estudo de estruturas de dados e algoritmos famosos em Rust

algorithms bst data-structures linked-list rust

Last synced: 17 Jun 2026

https://github.com/momen-alshouha/data-structure-doubly-linked-list

This repository contains C++ implementation of a doubly linked list using object-oriented programming principles. It includes classes for nodes, iterators, and the linked list itself, providing essential functionalities such as insertion, deletion, traversal, and more.

classes-and-objects cpp data-structures doubly-linked-list linked-list object-detection object-oriented-programming

Last synced: 17 Jun 2026

https://github.com/usmanmehmood55/queue

A queue implementation in C

buffer c data-structures queue

Last synced: 17 Jun 2026

https://github.com/miojo-dev/hash_study

Small study, making a Hash structure from scratch using Pascal, the idea is to make a Hash who includes CPF and separate them by the last 2 digits and use binary search to consult

cpf data-structures data-structures-and-algorithms hash pascal pascal-language pascal-programming study study-project

Last synced: 18 Jun 2026

https://github.com/scisamir/alx-low_level_programming

For ALX SE low level programming

algorithms c data-structures makefiles

Last synced: 18 Jun 2026

https://github.com/remonhasan/cp-code-library

algorithms & data structures that i learned for CP 💡

cpp data-structures number-theory prefix-notation stl-algorithms

Last synced: 18 Jun 2026

https://github.com/bbariskilic/java-algorithms-and-data-structures

A repository that contains solutions to different problems. All examples have been written solely in Java Language.

algorithms data-structures java

Last synced: 18 Jun 2026

https://github.com/dnutiu/dsa

A repository containing various data structures and algorithms implemented in Kotlin and Java

algorithms data-structures kotlin

Last synced: 19 Jun 2026

https://github.com/tarek99samy/datastructure-project

Restaurant small Application system using OOP and DS concepts

algorithms-and-data-structures c-plus-plus data-structures gui-application

Last synced: 19 Jun 2026

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

Java implementation of data structures

data-structures java

Last synced: 19 Jun 2026

https://github.com/maia14/task-scheduler

C project developed in Linux environment A tasks scheduler from scratch by implementing various data structures, such as: linked list, queue, etc.

c data-structures task-manager

Last synced: 19 Jun 2026

https://github.com/belovetech/alx-low_level_programming

A solid foundation in low-level programming using C, the mother of all languages. This codebase includes functional and dynamic programming, data structures (arrays, singly and doubly linked lists, hash tables), memory management, I/O operations, kernel interaction, and more.

algorithms arrays c data-structures linked-list pointers-in-c recursion-algorithm string-manipulation

Last synced: 20 Jun 2026

https://github.com/christophersesugh/alx-higher_level_programming

High level programming during ALX software engineering course

algorithms data-structures pip pycodestyle python python3

Last synced: 20 Jun 2026

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

My solutions to LeetCode problems with explanations in TS

algorithm data-structures datastructures-algorithms dsa javascript leetcode-solutions typescript

Last synced: 20 Jun 2026

https://github.com/zhengxs2018/tiny-tree

一个循环解决行转树的问题，快速，轻量，无依赖。

array-to-tree array2tree data-structures tree tree2array

Last synced: 20 Jun 2026

https://github.com/madmmas/java-concurrency-interview-practice

50 structured Java concurrency problems — beginner to expert — with JUnit 5 tests. Interview prep & hands-on learning.

concurrency data-structures interview-prep java java-concurrency junit5 locking maven multithreading thread-safety

Last synced: 21 Jun 2026

https://github.com/yangsijun528/data_structure_with_c

C언어로 자료구조 직접 구현하고, 테스트 코드로 검증해보기 + Python 시각화

c data-structures

Last synced: 21 Jun 2026

https://github.com/turhancan97/adventofcode

My solutions for Advent of Code (via Python)

2022-focus advent-of-code algorithms data-structures programming python

Last synced: 21 Jun 2026

https://github.com/muntaha-islam0019/javaplayground

A collection of Java backend practice projects and coding exercises, exploring core OOP concepts, algorithms, data structures, and backend development patterns.

algorithms backend-development coding-practice data-structures intellij-idea java leetcode-solutions oop software-engineering system-design

Last synced: 22 Jun 2026

https://github.com/agrim123/algo-ds

Algorithms and Data Structures

algorithms computer-science data-structures

Last synced: 22 Jun 2026

https://github.com/francesco-s/leetcodes

LeetCode problems solved in Python. Each solution is well-tested and easy to execute (WIP).

competitive-programming data-structures problem-solving

Last synced: 22 Jun 2026

https://github.com/scisamir/binary_trees

0x1D. C - Binary trees

algorithm binary-trees c data-structures

Last synced: 22 Jun 2026

https://github.com/nopetimizer/buckets

Buckets is a Go package that provides implementations of various data structures commonly used in computer science and software development.

data-structures go wip

Last synced: 22 Jun 2026

https://github.com/waleedali070/learning-dsa

Learning Data-Structures and Algorithm practically.

algorithms data-structures python

Last synced: 22 Jun 2026

https://github.com/gdiasag/graph-repr

Algorithms and Data Structures related to the representation and manipulation of graphs

data-structures graph-algorithms graph-theory

Last synced: 22 Jun 2026

https://github.com/zeionara/algorythms_and_data_structures

Labs for 'algorythms and data structures' discipline

algorythm data-structures

Last synced: 23 Jun 2026

https://github.com/gulsum135/circular-doubly-linked-list

C konsol uygulaması: Rastgele indekslerle çift yönlü dairesel bağlı listede işlemler.

c-programming-language circular-list console-application data-structures linked-list

Last synced: 23 Jun 2026

https://github.com/azmansikder/algo-vault

A curated collection of classic and advanced algorithm implementations in C++ for learning, reference, and competitive programming.

algorithms cpp data-structures dynamic-programming learning

Last synced: 23 Jun 2026

https://github.com/f-ca7/cpp_datastructure

data structure learning

c-plus-plus data-structures learning

Last synced: 24 Jun 2026

https://github.com/hackersa3edy/binary_trees

This repository contains C programs for various operations on binary trees, including node manipulation, tree traversal, and property checks (like height, depth, size, and balance factor).

algorithms alx-software-engineering binary-tree c c-language c-programming data-structures tree-traversal valgrind

Last synced: 24 Jun 2026

https://github.com/bmancini55/algorithms

Data structures and algorithms playground

algorithms data-structures

Last synced: 25 Jun 2026

https://github.com/vevdokimovm/string-operations-cpp

C++ lab: custom String class built on sequence abstractions with sorting and searching

algorithms cpp data-structures string

Last synced: 27 Jun 2026

https://github.com/vevdokimovm/codesignal-solutions

Python solutions to CodeSignal Data Structures track — linked lists, stacks, queues, sorting and binary search

algorithms data-structures linked-list python queue stack

Last synced: 27 Jun 2026

https://github.com/adithaker/datastructures_algos_c

👓(ONGOING) This repo will contain all ds and algorithms required for competitive programming in

algorithms c competitive-programming data-structures deque linked-list queue stack

Last synced: 28 Jun 2026

https://github.com/fgazzelloni/20240930-dwpwr

Data Wrangling Practice with R - 30 September Tutorial for R-Ladies Rome

data data-science data-structures data-wrangling

Last synced: 28 Jun 2026

https://github.com/abdullah00001/way-to-be-a-rated-coder

A dedicated repository to track my 90-day journey of competitive programming practice — mastering algorithms, solving problems daily, and leveling up to become a rated coder.

algorithms c competitive-programming cpp data-structures dsa

Last synced: 29 Jun 2026

https://github.com/iker-gonzalez/ft-containers

Reimplementation of stack, vector and map container types of the C++ standard template library (STL).

algorithms containers cpp data-structures operator-overloading standard-template-library templates

Last synced: 29 Jun 2026

https://github.com/junh0328/prepare_algorithm

📚 파이썬을 통해 자료구조와 알고리즘 공부하기

algorithms data-structures python

Last synced: 22 Mar 2025

https://github.com/yevheniidatsenko/goit-algo-hw-10

📊 Hometask - Basic Algorithms and Data Structures (Linear Programming and Randomized Algorithms)

algorithms data-structures goit goit-algo-hw-10 linear-programming python randomized-algorithms

Last synced: 05 Apr 2025

https://github.com/prashantsaini1525/alpha-course-2025

Java Programming – Alpha Course: Notes, code, & challenges from Apna College Alpha Batch 3.0 covering Java fundamentals, data structures, algorithms & competitive programming.

algorithms apna-college competitive-programming data-structures dsa interview-preparation java java-basics programming programming-notes

Last synced: 04 Apr 2025

https://github.com/amrtamertech/clsstack_with_dynamic_array_library-cpp

A C++ template-based stack implementation built using a custom dynamic array class (clsDynamicArray) and extended from a custom queue structure (clsMyQueueArr). This project demonstrates how to implement a flexible stack structure with additional features such as element insertion, updating, reversing, and random access, beyond traditional LIFO beh

cpp data-structures dynamic-array generic-programming inheritance oop stack templates

Last synced: 15 Jun 2025

https://github.com/harshpreet931/the-ultimate-dsa-prep

The Ultimate Guide to Data Structures and Algorithms (DSA). A comprehensive, community-driven resource with clear explanations and code implementations in Python, Java, C++, and JavaScript. Perfect for learning, interview preparation, and mastering DSA concepts.

algorithm-challenges algorithms c-plus-plus coding-interviews computer-science cpp data-structures dsa education interview-preparation java javascript learn-to-code programming python

Last synced: 09 Apr 2026

https://github.com/markwinter/gocol

Data Structures and Algorithms in Golang using Generics

algorithms data-structures generics go golang

Last synced: 05 Apr 2025

https://github.com/johnmachado11/linked-list-restaurant

Restaurant food options organized and viewable by leveraging a custom built Linked List data structure.

computer-science data-structures linked-list

Last synced: 05 Apr 2025

https://github.com/crissyro/-algorithms-and-data-structures-course

algorithms and data structures course in BSTU named after V.G. Shukhov on C

algorithms bstu data-structures discrete-mathematics

Last synced: 07 Jul 2025

https://github.com/mu-selim/datastructures-algorithms-implementation

Data structures and algorithms implementation with JavaScript and C#

algorithms csharp data-structures javascript leetcode problem-solving

Last synced: 17 May 2026

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

Personal Cracking the Coding Interview solutions written in Python with Big O Analysis.

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

Last synced: 01 Mar 2026

https://github.com/aguven6/inmemory-data-processor

Convert tabular data to columnar data with index. Aim is to process huge data quicker especially in aggregation operation

columnar-storage data data-structures parallel-computing parallel-programming processing

Last synced: 17 May 2026

https://github.com/arnellebalane/union-find

Implementation of the Union-Find data structure for NodeJS

data-structures hacktoberfest npm-package union-find

Last synced: 17 May 2026

https://github.com/bside89/data_structures_practice2

Practical activity #2, Data Structures, in Computer Engineering graduation.

connected-component-labelling data-structures queue

Last synced: 04 Apr 2026

https://github.com/woodprogrammer/go-hashmaps

HashMaps DataStructures Golang Implementations

data-structures hashing

Last synced: 28 Oct 2025

https://github.com/orelba/knights-travails

Finding the shortest path of a chess knight from point A to point B on a chessboard using a BFS algorithm

breadth-first-search computer-science data-structures graph-algorithms

Last synced: 08 Jun 2026

https://github.com/splode/practice-ts

This project documents ongoing efforts to enrich my understanding of CS concepts while learning TypeScript.

algorithms data-structures typescript

Last synced: 04 Nov 2025

https://github.com/saqibbedar/dsa

Comprehensive repository for mastering DSA in C++

cpp-data-structures cpp-dsa data-structures datastructures-algorithms dsa-cpp dsa-notes

Last synced: 04 Apr 2025

https://github.com/yehezkiel1086/data-structure-solutions

📖 Data structures and algorithms solutions writte in C/C++ language

algorithm cpp data-structures

Last synced: 28 Mar 2025

https://github.com/ap-atul/data-structures

Simple and Complex Data Structure problems

data-structures

Last synced: 04 Apr 2025

https://github.com/yunir/timus-problem-solving

ITMO (09.03.04). 4th semester. Data Structures and Algorithms. Problem solving.

algorithms data-structures dsa problem-solving

Last synced: 17 Jun 2025

https://github.com/yagoleo/go-algo

用 Go 实现的数据结构和算法之路，日渐完善中，敬请期待！

algorithms algorithms-and-data-structures data-structures go go-algorithms go-datastructure golang

Last synced: 08 May 2025

https://github.com/guyfrommilkyway/dsa-js

Data Structures and Algorithms for JavaScript

algorithms data-structures dsa javascript

Last synced: 30 Oct 2025

https://github.com/kavindu-mane/algorithms_implementation

Algorithms implementation using python.

algorithm algorithms data-structures

Last synced: 06 Apr 2025

https://github.com/douglasrizzo/data_structures

A bunch of data structures in C++ I did in order to learn the language

data-structures

Last synced: 30 Jun 2026

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