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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/kailash-sankar/dsa

Data Structures and Algorithm Puzzles

algorithms data-structures javascript perl python

Last synced: 13 Feb 2026

https://github.com/adhaamehab/db-collection

My implementation for common algorithm and data structures used in modern database systems.

algorithms data-structures database-internals designing-data-intensive-applications

Last synced: 01 Mar 2026

https://github.com/ale-soares/data-structures-and-algorithms-coursework

Coursework for udemy course JavaScript Data Structures & Algorithms + LEETCODE Exercises

algorithms data-structures data-structures-and-algorithms

Last synced: 01 Mar 2026

https://github.com/mmgalushka/algo-cheat-sheet

Cheat sheet for Algorithms & Data Structures

algorithms cheatsheet data-structures interview

Last synced: 04 Mar 2026

https://github.com/karthi-21/learndata

Small app for data structure course from learnCodeOnline.

data-structures online-course online-learning

Last synced: 03 Jun 2026

https://github.com/paolino/haskell-mts

Compact Sparse Merkle Tree implementation in Haskell with persistent storage and Merkle proofs

blockchain cryptography data-structures haskell merkle-tree rocksdb

Last synced: 05 Mar 2026

https://github.com/alphaleporus/leetabhyas

Daily DSA grind on LeetCode – Abhyas of code, logic, and consistency.

algorithms auto-sync competitive-programming cronjob data-structures dsa github-actions java leetcode leetcode-export python workflow

Last synced: 17 Apr 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/ananyachibber21/data_structures_and_algorithms

Data Structures and Algorithms in Java, Python

algorithms data-structures java programming python

Last synced: 30 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/asccrs/estructura-de-datos

Respositorio utilizado para subr las praticas realizadas en la materia Estructura de datos

algorithms data-structures java

Last synced: 17 Apr 2026

https://github.com/bside89/data_structures_practice4

Practical activity #4, Data Structures, in Computer Engineering graduation.

dag data-structures depth-first-search graphs topological-sort

Last synced: 04 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/zurd46/zurdsynthdatagen

This Electron project uses the OpenAI ChatCompletion API to generate synthetic datasets in either German (DE) or English (EN).

data data-structures dataset electron json jsonl nodejs openai synthetic

Last synced: 04 Apr 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/levieyal/c-course-exercises

✔ All the Assignments in the Systems Programming in C course that took place in the first semester of 2021

bash-script c data-structures files input-output library-management linux makefile memory-management

Last synced: 18 Apr 2026

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/shlason/go-data-structures

Golang 實現基本資料結構的練習

data-structures golang practice-project

Last synced: 04 Jun 2026

https://github.com/gz30eee/c-consteallation

A collection of projects showcasing the power and versatility of C, C++, and C# for efficient programming solutions.

algorithms c c-plus-plus c-sharp coding data-structures networking performance programming software-development

Last synced: 18 Apr 2026

https://github.com/leandrolimadeveloper/data_structures_and_algorithms

Algorithms and important things covered in the book Grokking Algorithms: An illustrated guide for programmers and other curious people (in Portuguese, Entendendo Algoritmos: Um Guia Ilustrado Para Programadores e Outros Curiosos – the version that I have) written by Aditya Y. Bhargava.

algorithms data-structures javascript python

Last synced: 18 Apr 2026

https://github.com/maks28atish03kumar04sahu01/java-project-04

Create a UI using JAVA for some particular B. Tech branches and perform the following operations "ADD", "UPDATE", "DELETE", "SEARCH", "FETCH" and connect the JAVA to MySQL using the XAMMP server.

awt-gui data-structures java-8 jdbc-driver localhost mysql-database swing-gui xampp

Last synced: 16 May 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/mattyv/flashradixtree

Associative container with the ability to search more efficiently if you know the key will be there. On par with std::map and well against std::unordered_map for most keys sizes, and especially where you have large keys with common prefixes.

data-structures key-value-store low-latency low-latency-search radixtree splaytree

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/steve2700/alx-interview

This Repo consist the interviews at alx

algorithms alx-interview data-structures interview python python3

Last synced: 04 Jun 2026

https://github.com/infinitifall/skiplist

A skip list is a probabilistic data structure that is efficient, compact and concurrency friendly

c data-structures randomized-algorithm skiplist

Last synced: 04 Jun 2026

https://github.com/albovo/adventofcode

A repository with all my solution for the advent of code's problems that I solved in my spare time.

advent-of-code c christmas cpp data-structures problem-solving python3 rust

Last synced: 20 Apr 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/joaocarvoli/programming-marathon

Focusing in solve problems to practice in group and be prepared for marathons programming

algorithms cplusplus data-structures marathon

Last synced: 05 Jun 2026

https://github.com/vzsoares/kata

DSA problems and solutions

algorithms data-structures

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/awskii/splay

Non-recursive, simple and tested splay tree

data-structures datastructures tree

Last synced: 22 Apr 2026

https://github.com/ahmdeltoky03/infix-to-prefix-converter

Infix_To_Prefix_Converter

data-structures python3

Last synced: 22 Apr 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/infinity-boi/dsa-codes

Popular Competitive Programming Questions essential for interview preparation

algorithms competitive-programming data-structures leetcode spoj

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/remykarem/advent-of-code-2020

Solution in Rust 🦀! With some pseudo-code in Python 🐍.

algorithms data-structures rust

Last synced: 06 Jun 2026

https://github.com/erykmika/datastructures

This repository contains my solutions to the tasks that I had to solve during the "Data structures and time complexity" classes.

data-structures politechnikawroclawska university-project

Last synced: 06 Jun 2026

https://github.com/sdthaker/javascript-dsa-mini-projects

freeCodeCamp Javascript Algorithms & Data Structures certification course code.

algorithms data-structures es6 freecodecamp javascript

Last synced: 24 Apr 2026

https://github.com/tutupharirabu/kalkulator-project-std

A C++ program that converts infix expressions to prefix notation and calculates the result.

c calculator data-structures

Last synced: 24 Apr 2026

https://github.com/dbriane208/data-structures-and-analysis-of-algorithms

My data structures practice using Python programming language

algorithms data-structures python

Last synced: 24 Apr 2026

https://github.com/saiteja-madha/ds-and-algo

Solutions for problems related to data structures and algorithms

algorithms data-structures hackerrank leetcode

Last synced: 25 Apr 2026

https://github.com/contawo/uct_java

My school computer science assignments made with java implementing data structures and SQL database.

algorithms-and-data-structures data-structures database java

Last synced: 25 Apr 2026

https://github.com/senior-sigan/data-structures-training

Common data structures and algorithms I implemented just to practise

cpp data-structures learn-to-code

Last synced: 06 Jun 2026

https://github.com/yyolka/converter-app

Приложение переводит числа из 2-ой, 10-ой, 16-ой систем счисления из одной в другую

algorithms c cpp data-structures entrypoint oop oop-principles validation

Last synced: 25 Apr 2026

https://github.com/hassansin/algorithms

Algorithms and Data Structures in Go

algorithm data-structures go golang

Last synced: 06 Jun 2026

https://github.com/isaacmaffeis/pac-2023

PAC 2023/24 Algorithm design and computability - University course

algorithms data-structures java

Last synced: 07 Jun 2026

https://github.com/danilowskic/queue-initialisation

An app shows data structure called queue. Describes how it works and what it is based on.

data-structures data-visualization java-8 queue queue-simulation

Last synced: 26 Apr 2026

https://github.com/nachiket-072005/data_structure-algorithm

In this repo, I am uploading Data-Structure-and-Algorithm in Java with Step by step chapter code basics to advanced topics like DP, Graph and so on.

c data-structures java

Last synced: 26 Apr 2026

https://github.com/fayllan111/projeto_jogo_xadrez

Implementação de um jogo de xadrez em Java, abordando conceitos de POO, herança, coleções e desenvolvimento em camadas.

chess-game colections data-structures developer-portfolio hierarchy java oop oops-in-java polimorphism project-patterns

Last synced: 07 Jun 2026

https://github.com/luigisalcedo/queue-on-linkedlist

Queues and Priority Queues based with LinkedLists structures on Java.

colas colas-prioridad data-structures estructuras-de-datos linked-list listas-enlazadas priority-queue queue

Last synced: 27 Apr 2026

https://github.com/margi47/linkedlists

Implementation of data structures - double linked list, queue, stack

csharp data-structures datastructures dotnet linked-list queue stack

Last synced: 27 Apr 2026

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

A comprehensive collection of algorithms and data structures in JavaScript, based on the book Mastering Algorithms and Data Structures in JavaScript by Federico Kereki.

algorithms data-structures dsa javascript

Last synced: 07 Jun 2026

https://github.com/giri7a/java-fintech-transaction-processor

Java Fintech Transaction Analyzer: A program for processing fintech transaction logs. Analyzes statuses, identifies peak times, and lists failures. Includes a test class for functionality demonstration. Efficiently monitors and gains insights into transaction dynamics.

algorithmic-logic data-representation data-structures date-and-time-handling documentation exception-handling java oops string-formatting testing

Last synced: 27 Apr 2026

https://github.com/ancs21/cs

My journey to Master of Science in Computer Science (C/C++, Python, Javascript)

alogrithms c computer-science data-structures python

Last synced: 28 Apr 2026

https://github.com/mituskillologies/pcp-python-dec22

Python Training Session at Pimpri Chinchwad Polytechnic, Pune

class data-structures decision-making functions looping objects programming python python3

Last synced: 08 Jun 2026

https://github.com/cathyfu1215/cs61b

Self-learning CS61B of UCBerkeley , this repo contains both labs and projects

algorithms data-structures java

Last synced: 07 Jun 2026

https://github.com/ionutpetre/airline-management-activities

Aplicație pentru evidența principalelor procese derulate în cadrul companiei aeriene EasyFlight.

cpp data-structures

Last synced: 22 Jun 2026

https://github.com/vtheonly/150_leetcode_problems

LeetCode: 150 total problems, with 50 easy, 75 medium, and 25 hard.

algorithms coding cpp data-structures java javascript leetcode problem-solving python

Last synced: 28 Apr 2026

https://github.com/mbrsagor/pythonnote

Study in python latest code and node serial

basic-programming data-structures mathematics oop python-library python3

Last synced: 08 Jun 2026

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/ososuna/coding-interview

Coding afternoons for cracking the coding interview

algorithms coding-interviews cpp data-structures

Last synced: 29 Apr 2026

https://github.com/howz1t/ptypes

This package provides useful data types for use in PHP.

badges composer computer-science data data-structures data-types packagist php types

Last synced: 29 Apr 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