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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/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/a920604a/leetcode

leetcode to record

algorithms data-structures

Last synced: 12 May 2026

https://github.com/trviph/collection

Collection is a Go library that aims to implement basic data structures such as List, Queue, Stack, Heap, and more.

data-structures go golang

Last synced: 13 Jun 2026

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/charon25/javabasicdatastructures

Recreating data strucures in Java for learning purposes

data-structures java

Last synced: 16 Jan 2026

https://github.com/sebastianofazzino/fundamentals-of-computing-specialization

Basics of Computing and Programming Principles, Algorithmic Thinking and Programming skills in Python from the ground up and apply these skills in building many interactive projects using simplegui module.

algorithms computer-programming computing data-structures game-development gui python software-development

Last synced: 04 Jun 2026

https://github.com/kuanhungchen/spring-2019-data-structures

📦 Some programming assignments about basic data structures.

data data-structures

Last synced: 25 Feb 2025

https://github.com/jagadeeshm007/leetcode

This repository serves as a collection of my solutions to various LeetCode Data Structures and Algorithms (DSA) problems using c++.

algorithms cpp data-structures leetcode leetcode-cpp leetcode-practice leetcode-questions leetcode-solutions

Last synced: 07 Jun 2026

https://github.com/sdc224/tree

Programs on Tree Data Structure in C

c cpp data-structures

Last synced: 12 May 2026

https://github.com/onnesok/cse220_lab

Cse220 lab codes.... bracu

data-structures python

Last synced: 13 May 2026

https://github.com/markopapic/ads

C# implementations of some algorithms and data structures.

algorithms csharp data-structures

Last synced: 11 Jun 2026

https://github.com/kylehue/my-dsa

A collection of reusable data structures in TypeScript.

algorithms data-structures

Last synced: 01 Apr 2026

https://github.com/hector1274/struct-changelog

🔍 Track and record changes in nested data structures automatically, ensuring data integrity and simplifying debugging with detailed audit trails.

change-tracking changelog changelogs data-diff data-structures dict diff elixir json library list nested-data python

Last synced: 11 Apr 2026

https://github.com/yangboz/dapps-simple-twitter-nebulas

a simple twitter SinglePageApplication for nebulas dapps incentive program.

blockchain bootstrap dapps data-structures jquery nebulas single-page-applications smart-contracts

Last synced: 11 Apr 2026

https://github.com/mgomesdev/estrutura-de-dados-e-algoritmos-com-javascript

Implementação dos exemplos do livro: Estrutura de dados e algoritmos com JavaScript, utilizando TypeScript, TDD e Jest.

algorithms data-structures jest tdd typescript

Last synced: 17 Apr 2026

https://github.com/rhaeguard/algorithms-and-interview-questions-python

The repository to stack up algorithms and interview questions I came across

algorithms data-structures interview-questions project-euler python search-algorithm set

Last synced: 17 Apr 2026

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

Cpp code for some data structures with usage examples

avl-tree cpp data-structures list queue stack

Last synced: 26 Feb 2025

https://github.com/dev88jerry/cs304

Bishop's University - CS304 Data Structures

bishops bu data data-structures python structure university

Last synced: 11 Jun 2026

https://github.com/luisvalgoi/unisinos-algorithms

Unisinos Algorithms I had to create during the college

algorithms data-structures java sort

Last synced: 17 Apr 2026

https://github.com/povilasb/rust-playground

Various small Rust demos

algorithms data-structures rust

Last synced: 18 Mar 2025

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/dj1095/leetcode-mastery

Mastering LeetCode with detailed solutions and complexity analysis 🚀📊💡

algorithms-and-data-structures data-structures java leetcode-solutions python3 spacecomplexity timecomplexity

Last synced: 17 Apr 2026

https://github.com/shivang21007/leetcode-solution-in-cpp

This is Leetcode Solution repo in Cpp. My Leetcode ID - Shivang21007

cpp data-structures leetcode-solutions leetcode-solutions-cpp

Last synced: 03 Jun 2026

https://github.com/enajenkins/wgu-coursework

WGU: This is an archive of coursework, projects, and notes for the Bachelor of Science, Software Engineering (BSSE - Java) at Western Governors University

algorithms algorithms-and-data-structures android-development angularjs cloud-computing course-notes css data-management data-structures dsa html java javasceript networking-concepts nodejs projects prototypes python reactjs sql

Last synced: 03 Apr 2026

https://github.com/chinnanj666/data-structures-sorting-python

data structures -sorting algorithms using python.

data-structures python sorting-algorithms-implemented

Last synced: 17 Apr 2026

https://github.com/spenserblack/lookup.go

A type for looking up the presence of a value. Either a slice or a set depending on the collection size.

data-structures golang

Last synced: 04 Apr 2026

https://github.com/rrohitramsen/expression-evaluator

Expression Evaluator + Tree Data Structure + Postorder Traversal + Rest API + Spring Boot

data data-structures design-patterns json microservice postorder problem-solving spring-boot swagger-api swagger-docs swagger-ui tree tree-structure

Last synced: 04 Apr 2026

https://github.com/momen-alshouha/data-structures-linkedlist-queue-stack

This repo contains a C++ template classes for circular doubly linked-list , queue and stack , designed with OOP principles. It features various operations for those data-structues.

aggregation data-structures linked-list object-oriented-programming queue stack

Last synced: 11 Jun 2026

https://github.com/gatarelib/random-programs

Random Programs from my Computer Science Course 2017-2021

c cpp data-structures executable golang java-8 object-oriented-programming python3

Last synced: 04 Apr 2026

https://github.com/sevilaymuni/project-no.3-seaborn-plots

Pandas and Seaborn Mediated Comprehensive Analysis on Differentiated Thyroid Cancer

data-analysis data-structures data-visualization mathplotlib pandas python seaborn

Last synced: 18 Apr 2026

https://github.com/moromichele/cs-typescript-jest-practice

Rewriting simple data structures and design patterns examples from javascript to typescript + jest testing as practice

data-structures design-patterns jest typescript

Last synced: 18 Apr 2026

https://github.com/dimits-ts/graphlibraryforcsharp

A simple, modular graph library providing common interfaces, default implementations, serialization, access wrappers and algorithms for graphs

data-structures library wrappers

Last synced: 06 Nov 2025

https://github.com/alexmatthes/writeam-text-editor

✍️ writeAM: A terminal-based text editor built from scratch in C as a learning project. Inspired by the Kilo editor, it features syntax highlighting for C, search functionality, and robust raw mode terminal handling.

c cli data-structures kilo-editor student-project systems-programming terminal text-editor

Last synced: 18 Apr 2026

https://github.com/nohomey/sdp-directory-tree-homework

Code for the third Data structures and algorithms course homework (File matcher)

allocator cpp14 data-structures iterator

Last synced: 12 Jun 2026

https://github.com/utkarshmishra12/dsa-450

🔥 This repository contains the solutions of DSA Cracker Coding Questions List curated by @loveBabbar

100-days-of-code algorithms cp cplusplus data-structures dsa-algorithm dsa-solutions geeksforgeeks lovebabbar-dsa-list

Last synced: 05 Apr 2026

https://github.com/mbtakanov/leet-code

LeetCode solutions in Python organized by algorithmic patterns. Each solution includes problem description, and time/space complexity analysis.

algorithms data-structures interview-preparation leetcode programming-challenges python

Last synced: 05 Apr 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/lunahoushmand16/restaurant-order-system-python

This simple application was built using new Python skills to create a program that allows customers to place orders with a takeout restaurant and receive an itemized receipt.

command-line data-structures python3

Last synced: 30 Jun 2025

https://github.com/jabellard/hash

Open addressed, double hashed hash table.

algorithm algorithms c data-structure data-structures hash-table

Last synced: 04 Jun 2026

https://github.com/bevinaa/social-media-web-application

Social Media Web Application is an interactive platform designed for users to connect, share, and engage with content in a dynamic online environment

css data-structures flask html javascript python

Last synced: 05 Apr 2026

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/guligon90/vcx-solutions-challenge

Technical assessment for the position of full-stack web delevoper at VC-X Solutions.

backend-webdevelopment data-structures oop python3

Last synced: 26 May 2026

https://github.com/kkufieta/algorithms

This is a collection of material and exercises I worked through on my journey to master data structures and algorithms.

algorithms data-structures python3

Last synced: 18 Apr 2026

https://github.com/gregyjames/cppalgorithms

Various Algorithms and Data Structures implemented in C++

algorithms cplusplus cpp data-structures

Last synced: 13 Jun 2026

https://github.com/isensee-bastian/set-generics

Tutorial code for my video Generics Part 3: How to use Generics in Golang

basic-programming beginner-tutorial-series data-structures generics golang interfaces learn-to-code sets tutorial types youtube

Last synced: 19 Apr 2026

https://github.com/varugasu/clrs

Algorithms from the Introduction to Algorithms (CLRS) book

algorithms algorithms-and-data-structures clojure clrs data-structures golang python

Last synced: 19 Apr 2026

https://github.com/haseeeb21/food-ordering-system-

This system can be used in any ordering place, as it uses Queue data structure which follows FIFO sequence with enquing and dequing as main functions.

algorithms collaboratory data-structures dsa googlecolaboratory googlecollab pycharm python python3 queue

Last synced: 19 Apr 2026

https://github.com/iampavangandhi/sudokusolver

🧮 Sudoku Solver Web App (using Backtracking)

backtracking data-structures javascript sudoku sudoku-solver

Last synced: 04 Jun 2026

https://github.com/trojan-254/binary_trees

exploring and implementing concepts related to C programming and binary trees. Focusing specifically on the realm of data structures and algorithms, the projects within this repository delve into the intricacies of binary trees in the C programming language.

algorithms algorithms-and-data-structures binary-search-tree binary-tree binary-trees c data-structures

Last synced: 04 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/anjaliwork20/moodify

Mood-based music recommendation system that considers a user's emotional state to recommend songs, genres, artists and playlists using Machine learning

artificial-intelligence cnn-keras cnn-model convolutional-neural-networks data data-analysis data-science data-structures data-visualization database deep-learning machine-learning machine-learning-algorithms python recommended song songs

Last synced: 20 Apr 2026

https://github.com/msskowron/godatastructures

Collection of data structures implemented in Golang.

data-structures go

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/h3rodev/tupcs203

Quizzes, Assignments and Projects in C/C++ for Data Structures and Algorithms Class of TUP ETEEAP

algorithms c cpp data-structures

Last synced: 20 Apr 2026

https://github.com/tsembp/epl231-groupassignment

Search Engine Implementation using TrieNode/TrieTree data structure

algorithms algorithms-and-data-structures data-structures hashing heaps java trie-tree

Last synced: 21 Apr 2026

https://github.com/sojebsikder/dsa

Data structure and algorithm implementation in JavaScript.

algorithm data-structures dsa interview javascript js queue stack tree

Last synced: 14 Jun 2026

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

This repository contains programs written for the low-level programming and algorithm track at the alx-SoftwareEngineering program facilitated by ALX. I am learning about data structures, algorithms, and other low-level programming concepts while working in the C language

bigonotation brainfuck c data-structures recursion

Last synced: 14 Jun 2026

https://github.com/jen2004/mail-delivery-system

A routing and package delivery simulation system designed for a parcel service. A CLI Python application that utilizes a hash table and the Nearest Neighbor algorithm.

algorithms-and-data-structures cli cli-app data-structures hashmap hashtable pycharm python

Last synced: 21 Apr 2026

https://github.com/0xharryduong/javascript-algorithms-data-structures

Algorithms and data structures - Javascript implementation

algorithms data-structures javascript

Last synced: 21 Apr 2026

https://github.com/sr2ds/rust-data-structures-and-algorithms

Training Rust - Manual implementations of data structures and classic algorithms

algorithms data-structures rust rust-language rust-learning

Last synced: 15 Jun 2026

https://github.com/mukel/codebox

Algorithms snippets for programming contests

algorithms c-plus-plus data-structures programming-contests

Last synced: 01 Sep 2025

https://github.com/kenych/fraud-detector

The application is fed with authentication log record which contains IP address, datetime, authentication result(OK or FAIL) and username. The sole reason of this application is to practice and demonstrate in-memory cache, concurrency features and how to test concurrent application in java.

concurrency data-structures in-memory-caching java java8

Last synced: 15 Jun 2026

https://github.com/kartikmehta8/implementations

Implementation of Data Structures in C++

cpp data-structures

Last synced: 05 Jun 2026

https://github.com/christian-doucette/data_structs

Implementation of common data structures with C. Includes linked list, list, stack, heap, BST, and hash table.

c data-structures

Last synced: 05 Jun 2026

https://github.com/iampavangandhi/chatlistcaching

💬 Chat list Caching Web App (using Linked List and Hashing)

data-structures hashing javascript linked-list lru-cache

Last synced: 06 Jun 2026

https://github.com/vikky2810/c-preparation-notes

Intermediate-level C programming notes, covering advanced control flow, pointers, memory management, file handling, and more.

algorithms bitwise-operations c c-programming data-structures file-handling intermediate-c memory-management pointers

Last synced: 24 Apr 2026

https://github.com/mu-selim/calculator

Mathematical calculator using stack data structure.

data-structures javascript stack

Last synced: 08 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 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