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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/can-dy-jack/queue

Queue implementation in JavaScript (based on Array)

data-structures implementation javascript queue

Last synced: 07 Apr 2025

https://github.com/omkarshinde1711/leetcode

Cracking LeetCode puzzles one bug at a time — algorithms, data structures, and a bit of caffeine-fueled magic!

algorithms coding-challenges cpp data-structures github-actions interview-prep java leetcode problem-solving python

Last synced: 13 Apr 2026

https://github.com/merteldem1r/AlgoStruct

AlgoStruct: Mastering DSA with C & C++ Data Structures and Algorithms, Essential Concepts like Pointers, OOP, Structures, Memory Allocation etc. with well explained comment lines and Readme files. Implementing all Data Structures from scratch and their Algorithms.

algorithms c cpp data-structures

Last synced: 23 Oct 2025

https://github.com/aitorruizes/c-singly-linked-list

This C implementation offers a generic singly linked list with customizable operations like insertion, deletion, and searching, using function pointers for flexibility with node behaviors.

c data-structures linked-list singly-linked-list

Last synced: 29 Oct 2025

https://github.com/otuemre/dsa-java

A comprehensive collection of data structures and algorithms implemented in Java, with detailed explanations for each concept. This project was inspired by Bro Code, serving as a hands-on reference for learning and mastering fundamental data structures and algorithms in Java.

algorithms big-o-notation binary-search bro-code data-structures dynamic-array linear-search linked-list priority-queue queue stack

Last synced: 24 Mar 2025

https://github.com/fredericbonnet/colibri

Colibri is a fast and lightweight garbage-collected datatype library written in C

abstract-data-structures abstract-data-types c data-structures datatypes garbage-collection garbage-collector memory-allocation

Last synced: 07 Oct 2025

https://github.com/bm371613/slice-aggregator

A library for aggregating values assigned to indices by slices and the other way around

data-structures fenwick-tree interval interval-tree prefix-sum slice slice-aggregator

Last synced: 12 Mar 2026

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/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/vs4vijay/data-structures-and-algorithms

Data Structures and Algorithms problems and solutions in Ruby

data-structures datastructures dsa ruby

Last synced: 27 Feb 2025

https://github.com/mupinnn/dsa

Repo for learning data structures and algorithms, also to understand more about the programming language which I often use or that I'm currently learning.

algorithms data-structures

Last synced: 24 Oct 2025

https://github.com/odhithsen/data-structures-java

🧑‍💻 Java implementations of various data structures and their associated operations.

data-structures java

Last synced: 24 Oct 2025

https://github.com/shafaq-aslam/leetcode-chronicles

This repository contains my solutions to various LeetCode problems, ranging from Easy to Hard. The goal is to improve problem-solving skills, practice Data Structures & Algorithms (DSA), and build a strong foundation for coding interviews.

algorithms coding-challenges competitive-programming cpp data-structures data-structures-and-algorithms dsa dynamic-programming leetcode problem-solving

Last synced: 07 Apr 2025

https://github.com/sebastian-huynh/erwin-data-models

Demonstrating relational integrity between entities through visual modeling.

data-model data-science data-structures erwin-data-modeler mapping

Last synced: 26 Jan 2026

https://github.com/ofmiq/algorithmsanddatastructures

A collection of fundamental algorithms and data structures implemented in C++

algorithms c-plus-plus data-structures

Last synced: 25 Oct 2025

https://github.com/maverickpoly/asmr-python-dsa

Different Data Structures and Algorithms implemented in Python.

algorithms data-structures dsa python

Last synced: 25 Oct 2025

https://github.com/sujeetkrjaiswal/notes

Notes on various topics for content creation and for quick referencing during interviews

algorithms browser css data-structures html interview-preparation javascript network rust typescript

Last synced: 10 Apr 2026

https://github.com/avestura/shell-dads

❓ Show a random tip from NIST DADS (https://xlinux.nist.gov/dads) every time you open your terminal

algorithms dads data data-structures ds nist

Last synced: 23 Oct 2025

https://github.com/marinaa13/social-network-simulator

C implementation of a mini social media platform with user management, post/repost systems, feeds, and graph-based friend interactions

c data-structures graphs linked-lists social-network trees

Last synced: 22 Jun 2026

https://github.com/goulartgusta/desafio-arrays

Desafios de estrutura de dados com tratamentos de exceções e testes.

data-structures java junit5

Last synced: 22 Jun 2026

https://github.com/asarkar/exercism-scala

https://exercism.org/tracks/scala

algorithms data-structures exercism exercism-scala scala

Last synced: 25 Oct 2025

https://github.com/jungaretti/advent-of-code-2020

Solutions to problems from the merriest coding challenge on the Internet

advent-of-code algorithms data-structures

Last synced: 25 Oct 2025

https://github.com/bearlike/practising-dsa

I practise general Programming, Data Structures and Algorithms here.

data-structures practice-programming

Last synced: 22 Jun 2026

https://github.com/0xc0392b/bfield

Bit field data structure for Go

bit-manipulation bitfield data-structures go golang

Last synced: 18 Jan 2026

https://github.com/aravachoudhary/data_structures_algorithms

This Repository contains my DSA codes and problem Solutions

algorithms-and-data-structures data-structures

Last synced: 01 Jun 2026

https://github.com/hima890/binary_trees

A collection of C programs for learning and implementing binary tree operations, including traversal, insertion, deletion, and validation. Ideal for understanding fundamental data structures and algorithms in C programming.

algrithm alx-africa alx-low-level-programming betty-style c-programming-language data-structures group-project

Last synced: 28 Jan 2026

https://github.com/chaitanyak77/datastructures

This repository showcases a collection of data structure simulations implemented in C.

data-structures

Last synced: 26 Oct 2025

https://github.com/make-github-pseudonymous-again/js-collections-chainmap

:dango: Python's chainmap data structure for JavaScript

agpl chain chainmap data-structures dict javascript map

Last synced: 22 May 2026

https://github.com/hernandemonteiro/data_science_and_algorithms

Data Science, Algorithms and Data Structure.

data-science data-structures python3

Last synced: 15 Apr 2026

https://github.com/bhavinpatel4199/artificial-intelligence---ai-for-decision-making

Artificial Intelligence for Decision Making is a collection of projects focused on applying AI and machine learning techniques to solve decision-making challenges. It includes projects on wine quality prediction, Cassandra data modeling, and text classification, showcasing a range of data science and machine learning applications.

artificial-intelligence cassandra-cql data-analysis data-engineering data-preprocessing data-structures decision-making deep-learning feature-selection machine-learning-algorithms sentiment-analysis text-classification

Last synced: 20 Jun 2026

https://github.com/mateusz-przybyla/personalbudget_structured

Final C++ application to manage your personal budget [structured]

cpp data-structures structured-programming xml

Last synced: 27 Oct 2025

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

A Java library of important algorithms and data structures.

algorithms data-structures

Last synced: 28 Oct 2025

https://github.com/dyhalmeida/data-structures-algorithms

data structures and algorithms

algorithms data-structures

Last synced: 24 Jan 2026

https://github.com/whisperpine/leetcode-rs

LeetCode problem solutions in Rust.

algorithms data-structures dsa leetcode neetcode rust

Last synced: 24 Jan 2026

https://github.com/y2k-shubham/dsa-in-cpp

Implementations of Data-Structures & Algorithm Questions in C++

algorithms cpp data-structures

Last synced: 28 Jan 2026

https://github.com/elidrissidev/dsa-practice

My playground repository where I'm practicing DSA using C!

algorithms c computer-science data-structures

Last synced: 31 Mar 2025

https://github.com/osiota10/alx-higher_level_programming

Python high Level Programming - Data Structures and Algorithms with ALX Software Engineering

data-structures python

Last synced: 24 Feb 2026

https://github.com/vikashpr/maang-interview-prep-100-dsa

Ace your MAANG+ interviews with this curated list of 100 essential DSA problems. From arrays to graphs, master every concept with detailed solutions and expert tips. Start your path to a top-tier tech job today!

algorithms coding-interviews computer-science data-structures data-structures-and-algorithms interview-preparation leetcode-solutions maang-interviews problem-solving software-engineering tech-interviews

Last synced: 16 Mar 2026

https://github.com/iampavangandhi/codingpracticals

👨‍💻 Basic Coding Practical Questions of C++, Java, and Python

algorithms competitive-programming cpp data-structures dsa-questions java python

Last synced: 16 Mar 2026

https://github.com/hengxin/data-structures-algorithms-resources

Resources on Data Structures and Algorithms

algorithms big-list data-structures resources

Last synced: 29 Jan 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/seanballais/a-crazy-calculator

A simple calculator where the operations utilize stacks that are implemented with queues that are implemented by arrays that are implemented by linked lists.

data-structures java

Last synced: 27 May 2026

https://github.com/mreshboboyev/tree-data-structure

Enterprise-ready tree data structure library in C# with multiple implementations (BST, AVL, Red-Black, B-Tree), advanced operations, and comprehensive functionality.

algorithms avl-tree b-tree binary-search-tree csharp data-structures enterprise generic red-black-tree tree

Last synced: 30 Jan 2026

https://github.com/cassxw/leetcode

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: 31 Mar 2025

https://github.com/cardoso010/challenges

Leetcode, codewar, hackerrank Challenges

algorithms challenges codewa data-structures elixir leetcode study

Last synced: 23 Mar 2025

https://github.com/tanmayvaij/pattern-printing

Some important pattern printing questions asked in interviews

algorithms cpp data-structures forloops patterns

Last synced: 15 Mar 2025

https://github.com/gauravmcode/dsa-assignments

repository of assignments for Data Structures and Algorithm course on ineuron.ai

data-structures dsa-algorithm dsa-practice

Last synced: 07 Feb 2026

https://github.com/tyra9/diagram-collection

写博客过程中制作的所有图例、图解，都放在这个仓库（支持.drawio）。

computer-networks data-structures database java javaweb mysql operating-system spring springboot

Last synced: 25 Feb 2026

https://github.com/nadvolod/algorithms

Algorithms and data-structures exercises

algorithms data-structures

Last synced: 01 Feb 2026

https://github.com/mistivia/algds

Generic algorithms and data structures for C

algorithms data-structures

Last synced: 15 Mar 2025

https://github.com/mubassim-khan/recursion-java

A few programs of Recursion topic/concept in Java language, helpful to understand the flow of program & method of recursion in Data Structures & Algorithm.

data-structures datastructures-algorithms java recursion recursive-algorithm

Last synced: 05 Mar 2025

https://github.com/ramzijabali/data-structures-java

Reimplementation of Java data structures

data-structures java

Last synced: 01 Sep 2025

https://github.com/canciolabs/php-stack

This tiny package contains an interface and an array-based implementation of the LIFO Stack data structure.

data-structures php stack

Last synced: 26 Feb 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/waseemofficial/dsa_python

Data Structures and Algorithms in Python

algorithms data-structures excalidraw python scripts yml yml-files

Last synced: 08 Feb 2026

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

Solutions to various coding problems and algorithms implemented in Kotlin

algorithms coding-problems data-structures kotlin programming-practice

Last synced: 26 Feb 2026

https://github.com/raveriss/cpp09

C++ Module 09: STL. Ce module contient des exercices pour se familiariser avec la Standard Template Library (STL) en C++98. Les exercices incluent la manipulation de conteneurs standards et l'implémentation d'algorithmes de tri et de notation polonaise inversée.

algorithms bitcoin bitcoin-exchange cpp cpp98 data-structures merge-sort reverse-polish-notation stl

Last synced: 26 Feb 2026

https://github.com/theolepage/algorithmics

Algorithmics course content during my studies at EPITA.

algorithmics computer-science data-structures ocaml python

Last synced: 15 Apr 2026

https://github.com/yuriioks/aqa-gcse-computer-science-preparation

25-week comprehensive program designed to equip students with the knowledge and skills required to excel in the AQA GCSE Computer Science exam

algorithms aqa aqa-computing coding-tutorials computer-science computer-science-education data-structures education exam-preparation gcse gcse-computer-science programming python python3 sql yuriodev

Last synced: 09 Feb 2026

https://github.com/1ayanabil1/algorithms

Welcome to the Algorithms repository! 🚀 This repository is dedicated to documenting and sharing my journey through algorithm learning, with a special focus on the Grokking Algorithms book.

codewars codewars-solutions data-structures hackerrank hackerrank-solutions jupyter-notebook leetcode leetcode-python leetcode-solutions machine-learning prob python search-algorithm searching searching-algorithms

Last synced: 09 Feb 2026

https://github.com/peterrauscher/devbranch.co

The source code for my site https://devbranch.co

algorithms blog data-structures devops programming website

Last synced: 10 Feb 2026

https://github.com/werdsmind/estructuras_de_datos

colección de implementaciones de estructuras de datos y algoritmos fundamentales escritos en C++

console-application cpp data-structures double-linked-list executable graph pointers pointers-and-arrays proyects tree-structure

Last synced: 23 Jun 2025

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/josugoar/scinet

Network science abstract data types

algorithms data-structures

Last synced: 10 Feb 2026

https://github.com/johan-bolmsjo/gods

Go Data Structures

data-structures go golang

Last synced: 11 Feb 2026

https://github.com/shaolans/projet_algav_trie

Implementation of the Patricia Trie and the Hybrid Trie in Java

algorithms data-structures data-visualization graphviz-dot hybrid-training java patricia-tree tree trie

Last synced: 11 Jun 2026

https://github.com/charmoniumq/algo

Algorithms that I implement for fun

automata data-structures

Last synced: 11 Feb 2026

https://github.com/bosley/ak24

Lightweight C application kernel providing core data structures (lists, maps, buffers), memory management, and optional Boehm GC integration for building robust applications.

application-framework boehm-gc c closures concurrency data-structures garbage-collection memory-management string-intern

Last synced: 21 Feb 2026

https://github.com/nihonxim/computerscience

Computer科学研究について、コンピューター科学の勉強とソフトウェア作り方

algorithms computer-science data-structures

Last synced: 23 Mar 2025

https://github.com/ohmic-guy/mnemosyne

An experimental Python library exploring persistent and versioned data structures.

data-structures functional-programming immutability persistent-data-structures versioning

Last synced: 13 Feb 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 Websites 88 Networking 88 Command Line 87 Data Pipelines & Streaming 85 Configuration 83 ✅ Data Structures 83 命令行工具 80 Machine Learning 79 Data Structures and Algorithms 76