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/iamwatchdogs/dsa

Slate/Deprecated docs repo for DSA. I should have continued working on it.

algorithms c cpp data-structures documentation dsa interview java learning open-source preparation python

Last synced: 09 Apr 2026

https://github.com/emmt/databags.jl

Data bags combine the flexibility of dictionaries to store data and the `obj.key` syntax to mimic dynamic structures.

data-structures julia

Last synced: 23 Mar 2025

https://github.com/richardmiruka/alx-interview

This interview repository ๐Ÿ“’ is a collection of (practical) questions and answers designed to help someone prepare for programming interviews. The repository is organized into several categories, including Algorithms, programming concepts, and miscellaneous topics through Practical questions and concepts such as Pascal's triangle.

algorithms algorithms-and-data-structures data-structures logic logic-programming programming-languages

Last synced: 26 Feb 2025

https://github.com/adityarajsingh/cp

All the code solutions for problems related to Data Structures and Algorithms and problems of various coding platforms.

algorithms competettive-programming cpp data-structures problem-solving

Last synced: 18 Jun 2026

https://github.com/fou1100ouacus/course19_driving-license-management_full-real-project

DVLD is a Desktop Application that I've been working on from scratch, using .NET Core Windows Forms, ADO.Net and Microsft SQL Server from Programming Advices Course 19.

advanced-programming csharp-code data-structures database desktop-app dotnet sql

Last synced: 09 May 2026

https://github.com/trojaner/eru-ceng-bz205

Assignment for C++ Data Structures and Algorithms Course at ERU

algorithms assignment cpp data-structures

Last synced: 18 Jun 2026

https://github.com/alkasm/timingdiagram

Temporal boolean algebra

data-structures

Last synced: 23 May 2026

https://github.com/easonsyc/queues-stacks

Data structures queues and stacks.

c-sharp data-structures study

Last synced: 10 Jun 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/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/vityaman-edu/bst

Binary Search Trees in C++20.

avl bst cpp20 data-structures

Last synced: 18 Jan 2026

https://github.com/chrisammon3000/dict-smasher

Flatten Python dictionaries in one go.

data-structures python-library

Last synced: 16 Mar 2025

https://github.com/itsjomon/java

Java Programming & Data Structures/Algorithms repository for quick revision, practice, and reference.

algorithms data-structures java java-dsa java-programming-language

Last synced: 12 Jun 2025

https://github.com/seigtm/bidirectionalringlist

Ring doubly linked list C++ class implementation. My very old college homework from 2020.

bidirectional-lists class cpp cpp-class cpp-library data-structure data-structures linked-list list

Last synced: 20 Apr 2025

https://github.com/kacper0199/agh-navigator-app

The purpose of this project is to create AGH University of Science and Technology navigator app using Dijkstra's algorithm to find the shortest paths between the buildings.

agh-university algorithms data-structures dijkstra-algorithm folium-maps heroku-app navigator python streamlit

Last synced: 06 May 2026

https://github.com/jakerockland/data-structure-essentials

Implementation of the basics of algorithms and data structures including searching, sorting, lists, stacks, queues, hash tables, trees, and graphs.

algorithms data-structures python

Last synced: 24 Jul 2025

https://github.com/ibz-04/sudoku-solver

Solving the sudoku arithmetic game with python algorithms

algorithm-challenges data-structures sudoku-solver

Last synced: 31 Mar 2025

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/genesisblock3301/data-structure-and-algorithm

I have been solving here Data structure and Algorithm problem in different online judge like Hackerrank, Leetcode etc.

algorithms data-structures math python3

Last synced: 19 Jun 2026

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: 07 May 2026

https://github.com/lucidfrontier45/indexed-vector

A Rust library that implements vector container that can be indexed with specified function.

data-structures rust

Last synced: 05 Apr 2025

https://github.com/anishlearnstocode/java-batch-10

Introductory course in Java Programming taught at @WhatAfterCollege. ๐ŸŽ“

algorithms course data-structures java online-course oops strings

Last synced: 18 Mar 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/swappy514/python-learning-hub

A comprehensive, well-structured Python learning repository โ€” from basics to advanced topics including OOP, recursion, data structures, debugging, and real-world industry examples. Perfect for beginners and intermediate learners aiming to master Python programming.

advanced algorithms beginner code-examples data-structures debugging industry-projects intermediate learning oop programming python recursion tutorial

Last synced: 10 Aug 2025

https://github.com/sh1zen/crossync

Blazingly fast concurrent Data Structures for Rust.

concurrent-programming data-structures dev-tools rust-lang rust-library

Last synced: 06 Nov 2025

https://github.com/md-emon-hasan/data-structures-and-algorithms-dsa-in-python-full-course-by-coding-ninjas-in-english-

A comprehensive Python course on data structures and algorithms from Coding Ninjas, providing detailed explanations and practical examples.

algorithm algorithms-and-data-structures data-structures dsa programming-language pyhton-3 python

Last synced: 09 May 2026

https://github.com/alyqamar/leetcode

"LeetCode" by alyQamar, contains solutions to various problems from Leet Code, a popular platform for practicing and improving coding skills. The solutions are implemented in cpp , JS and are accompanied by detailed explanations and comments. The repository also includes a variety of problem types, such as data structures, algorith

algorithms competitive competitive-programming competitive-programming-contests contest contest-solution contests cpp data-structures java javascript js leetcode leetcode-cpp leetcode-cpp-solutions leetcode-js leetcode-solutions problem-solving problems

Last synced: 18 Apr 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/sword-jin/go-algorithm

golang ๅธธ็”จๆ•ฐๆฎ็ป“ๆž„๏ผŒ็ฎ—ๆณ•

algorithms btree data-structures heap queue stack tree

Last synced: 09 Oct 2025

https://github.com/oneblack333/pizza_sales_analysis

The project involves transforming raw pizza sales data into actionable business intelligence through analysis and visualization. This enables pizza business owners to make data-driven decisions on inventory, staffing, and marketing, ultimately improving performance and profitability.

data data-structures data-visualization excel mysql powerbi

Last synced: 20 Jun 2026

https://github.com/viraj5903/professor_course_assignment_platform

A Java-based system for efficiently managing and matching professors to courses within the Computer Science Department at LaSalle College. Features include a priority queue for optimized assignments, and detailed representations for professors and courses. Includes a matching algorithm based on preferences and constraints.

data-structures jar java javadoc priority-queue queue

Last synced: 30 Aug 2025

https://github.com/shravan20/data-structures-and-algorithm

Repo contains the development explanation and code for Data Structure and Algorithm

algorithm algorithms data-structures

Last synced: 04 Apr 2025

https://github.com/davidyslu/OnlineJudgeZero

Personal Submission of Online Judge Zero (่‡บ็ฃ้ซ˜ไธญ็”Ÿ็จ‹ๅผ่งฃ้กŒ็ณป็ตฑ)

algorithms cpp data-structures

Last synced: 29 Aug 2025

https://github.com/tareqalkushari/leetcode-problem-solutions

This repository contains a comprehensive collection of solutions to LeetCode problems, crafted with clarity and efficiency in mind. Each solution is written in a clean, readable format and includes insights into time and space complexity, making it an ideal resource for technical interview preparation, algorithm practice, and self-paced learning.

algorithm-practice algorithms arrays binary-search coding-interview competitive-programming cpp data-structures dynamic-programming graph-algorithms hashmap interview-preparation java leetcode leetcode-solutions problem-solving python recursion strings technical-interview

Last synced: 28 Aug 2025

https://github.com/mohamedtalhaouii/dsa

Structure de Donnรฉes & Algorithmes

algorithms data-structures

Last synced: 05 Apr 2025

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/uchamod/posting-social-media-app-flutter

A feature-rich social media app developed using Flutter and Firebase. The app includes user authentication, real-time messaging, content sharing, and customizable profiles. It demonstrates the seamless integration of Flutter's UI capabilities with Firebase's backend services, providing a dynamic and interactive user experience.

algorithms authentication data-structures firebase flutter mobile-development provider-state-management

Last synced: 10 Mar 2026

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/humayan-kabir/data-structure

data structure repository for competitive programming

competitive-programming cpp data-structures

Last synced: 30 Jun 2025

https://github.com/paambaati/bumplan

A simple program that finds the seating arrangement for passengers for a given custom airplane seat layout.

algorithm coding-challenge data-structures interview-questions nodejs

Last synced: 19 Jan 2026

https://github.com/rockharshitmaurya/leetcode-hub

Collection of LeetCode questions to ace the coding interview!

algorithms data-structures java leetcode

Last synced: 14 Jul 2025

https://github.com/glintonliao/berkeley-cs-61b

CS 61B: Data Structures

algorithms data-structures java

Last synced: 18 Mar 2025

https://github.com/devdrops/php-ds

:computer: PHP data structures

data-structures php spl

Last synced: 30 Mar 2025

https://github.com/jilliennelapid/binarytreestorage

Project 2: An organism-storing binary tree that reads commands from input .txt, queries the data, and outputs to console and output .txt.

binary-search-tree binary-tree cpp data-structures infile-outfile txt-files

Last synced: 15 Mar 2025

https://github.com/bsanket16/data-structures-and-algorithms

My data structures and algorithms library

algorithms data-structures java

Last synced: 14 May 2025

https://github.com/ernitingarg/very-large-file-processing-python

Python solution which uses min-heap data structure and thread parallalism to process very large file

data-structures large-files min-heap multiprocessing python3 space-complexity threading time-complexity unit-testing

Last synced: 16 May 2025

https://github.com/aditeyabaral/hashmap-lemmatizer

A simple lemmatizer made as a part of the Data Structures (UE18CS202) course at PES University. We used the concepts of graph networks combined with a HashMap to create the database of words along with their lemma.

c data-structures graph hashing lemmatization linked-list natural-language-processing

Last synced: 28 Jun 2025

https://github.com/calcit-lang/ternary-tree.ts

TypeScript version of calcit-lang/ternary-tree

data-structures typescript

Last synced: 24 Jul 2025

https://github.com/iyashwantsaini/dust

Data Structures | Algorithms | STL | C++

algorithms cpp data-structures

Last synced: 30 Aug 2025

https://github.com/cayo-rodrigues/gsic

This program accomplishes some common tasks done by grocery stores cashiers

algorithms c command-line-interface data-structures gcc makefile valgrind

Last synced: 22 Mar 2025

https://github.com/sabberrahman/cse

My CSE study resources: Lecture notes, Code snippets, and Study materials

algorithm data-structures leetcode neetcode150 problem-solving

Last synced: 05 Nov 2025

https://github.com/bestmahdi2/uni__phonebookapppython

A university project in which a phone book is designed with Python language

data-structures phone-book python

Last synced: 25 May 2026

https://github.com/tom-spalding/petrie-itis

a ITIS search wrapper to be used with Petrie

api api-wrapper classification data-structures graph itis petrie phylogeny taxonomy

Last synced: 31 Mar 2025

https://github.com/jacobgrisham/spell-checker-data-structures-using-c

Program that spell-checks a file after loading a dictionary of words from disk into memory. Includes run-time data output.

big-o c computer-memory data-structures

Last synced: 04 Sep 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: 13 Jun 2026

https://github.com/levichu51/pro2-practica1-22-23

Primera prรกctica de la asignatura de Programaciรณn 2 de la UDC 22/23

data-structures programming udc university

Last synced: 22 Jul 2025

https://github.com/sureshsundriyal/rcu-cache

A FIFO cache implementation in Python with lock-free reads.

cache data-structures fifo-cache lock-free-reads python rcu rcu-cache

Last synced: 23 Mar 2025

https://github.com/dimodimchev/struct-algo

A repository where I will upload different data structures and algorithms I explore

algorithms c data-structures

Last synced: 13 Oct 2025

https://github.com/hta218/algorithms-and-data-structures

My solutions to LeetCode and HackerRank's problems

algorithms data-structures hackerrank leetcode

Last synced: 22 Mar 2025

https://github.com/cqllum/schema2dwh

โšก Automatically produce a data model on your database using its information schema using GenAI.

ai data data-structures dataengineering datawarehousing dwh gemini gemini-api genai reporting reporting-tool schema-design

Last synced: 13 Mar 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/the-c0d3r/data-structures-c

Data structures implemented from scratch in c

c data-structures

Last synced: 20 May 2026

https://github.com/cihat-kose/data-structures-and-algorithms

A collection of exercises and examples for mastering Data Structures and Algorithms, including sorting techniques and tree structures.

algorithms data-structures practice sorting tree-structures

Last synced: 09 Mar 2026

https://github.com/gotz1480/data-structures-python

Basic data structures implementations in Python

data-structures data-structures-python

Last synced: 07 Apr 2025

https://github.com/pedrofnseca/bd-vendas

๐Ÿฌ Banco de dados para vendas

cloud data-structures database mysql sql

Last synced: 18 May 2026

https://github.com/jcalmcrasher/hackerrank-challenges

My algo solutions (mostly hackerrank challenges)

algorithms data-structures typescript

Last synced: 02 Sep 2025

https://github.com/martin-majlis/probstructs

Collection of probabilistic data structures - CM-Sketch, ECM-Sketch, exponential histogram in C++.

cpp data-structures probabilistic-programming streaming

Last synced: 09 Apr 2025

https://github.com/sleepypioneer/algorithms_and_data_structures

Notes from Algorithms and Data structures Udemy course instructed by Balazs Holczer.

algorithms data-structures

Last synced: 04 Sep 2025

https://github.com/bogwi/eruzero

Bullet-Train fast hashmap for Zig

benchmark data-structures hashmap hashtable zig zig-package ziglang

Last synced: 12 Apr 2025

https://github.com/ajlekcahdp4/ilab_1

First projects of MIPT ILAB course

c data-structures ilab poem-generator quadratic-equations stack

Last synced: 25 Jul 2025

https://github.com/taharachedi/custom_double_linked_list_library-cpp

A C++ template-based doubly linked list implementation providing essential list operations such as insertion, deletion, searching, and reversal.

cpp data-structures

Last synced: 10 Jul 2025

https://github.com/ascii-dev/puava

A polyglot library of data structures & algorithms built from first principles. (C, C++, Java, Python, Rust, Go). Managed with Bazel.

algorithms bazel c cpp data-structures first-principles java monorepo python system-design

Last synced: 13 Apr 2026

https://github.com/angelosans/typescript

From noob to Pro using TypeScript

data-structures

Last synced: 13 May 2025

https://github.com/okeuday/keys1value

Erlang set associative map for key lists

data-structures erlang

Last synced: 24 Jul 2025

https://github.com/yangjiaxi/dsaa

Data Structure and Algorithm Analysis

algorithm c data-structures

Last synced: 11 Jul 2025