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/mmgalushka/algo-cheat-sheet

Cheat sheet for Algorithms & Data Structures

algorithms cheatsheet data-structures interview

Last synced: 04 Mar 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/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/kailash-sankar/dsa

Data Structures and Algorithm Puzzles

algorithms data-structures javascript perl python

Last synced: 13 Feb 2026

https://github.com/yehezkiel1086/dsa-stuffs

Programming problem solutions which includes SQL problems solutions, linux shell, also data structures and algorithms.

algorithms c codeforces coderbyte codewars cpp data-structures hackerrank leetcode linux python spoj sql toki

Last synced: 16 Apr 2026

https://github.com/charmoniumq/algo

Algorithms that I implement for fun

automata data-structures

Last synced: 11 Feb 2026

https://github.com/felipe-gdr/algorithms

Algorithms, coding challenges and exercises

algorithms data-structures java-8

Last synced: 17 Apr 2026

https://github.com/coledixon/sql

SQL projects and advanced scripting

data-structures database-schema sql ssms tsql

Last synced: 18 Mar 2026

https://github.com/thinkswan/js-linked-list

An implementation of the linked list data structure in JavaScript.

data-structures javascript tutorial

Last synced: 03 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/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/cyberg4b/leetcode-exercises

Some LeetCode Data Structures exercises in TypeScript.

data-structures leetcode typescript

Last synced: 07 May 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/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/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/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/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/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/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/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/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/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/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/shashwat-19/teamtrack-hub

TeamTrack Hub is a Java Swing-based Employee Management System with features like adding, viewing, and deleting employee records, a sleek dark mode, and a user-friendly interface. Ideal for streamlined employee management.

data-structures error-handling event-handling inheritance input-validation java java-swing multithreading polymorphism

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/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/froggyjump

🐸 Minimum Jump Froggy Game (using Dynamic Programming)

data-structures dynamic-programming javascript phaser vanilla-javascript

Last synced: 19 Apr 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/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/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/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/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/vzsoares/kata

DSA problems and solutions

algorithms data-structures

Last synced: 21 Apr 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/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/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/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/deamondev/scala-data-structures

Implementation of most common data structures / algorithms in Scala. Based on "Rock the JVM - Scala & Functional Programming practice course". All solutions are mine.

algorithms data-structures scala testing

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/youssefashourrr/supermarket-manager

A supermarket management system developed in C++ with Qt5 widgets for the graphical interface, created as our CS213 course project during the first semester of sophomore year.

college-project cplusplus data-structures inventory-management qt5

Last synced: 07 Feb 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/chrkspln/binary-tree

binary tree implementation in c++

binary-tree cpp data-structures

Last synced: 05 Jun 2026

https://github.com/skylar-lorena/python

An introductory course to Python. Learn Python from scratch with mini-exercises

beginner-code data-structures introduction-to-python python python3 pythonbasics pythontutorial

Last synced: 05 Jun 2026

https://github.com/emanuelefavero/react-autocomplete

This is a simple React Autocomplete component that uses a Trie data structure to store the list of words

autocomplete data-structures react trie vite

Last synced: 15 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/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/sakapon/bang

A library of algorithms.

algorithms data-structures mathematics

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/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/usif-andreas226/quizhub-oop-project

The system is designed to streamline the process of conducting online exams. It provides a user-friendly interface for both administrators and students. Administrators can easily create exams by adding questions and setting grading criteria. Students can take exams within a specified time frame and view their results immediately after submission.

algorithms data-structures java javafx oop oops-in-java

Last synced: 25 Apr 2026

https://github.com/snehachhipa/wordle_datastructures

A Data Structures project as part of course work of BSc in Computer Science UCD.

binary-tree compression-algorithm data-structures hashmap-java java object-oriented-programming priority-queue

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/princeinscripts/dsa-solved-assignments-with-cpp-pw

A repository containing solved assignments provided by Programming with Mosh (PW) teachers for learning C++ programming language fundamentals alongside Data Structures and Algorithms (DSA) concepts, aiding in mastering core computer science principles through guided practice.

algorithms c-plus-plus computer-science data-structures program solved-challenges

Last synced: 07 Jun 2026

https://github.com/aakash3279/my-leetcode-problems

This is a repository where coding solutions are provided which i solved in leetcode

algorithm data-structures java javascript leetcode-java leetcode-solutions sql

Last synced: 26 Apr 2026

https://github.com/nadvolod/algorithms

Algorithms and data-structures exercises

algorithms data-structures

Last synced: 01 Feb 2026

https://github.com/htrmc/zig-concurrent-queue

Lock-free multi-producer multi-consumer concurrent queue for Zig. Block-based, zero-lock design.

concurrent-queue data-structures lock-free mpmc multi-producer-multi-consumer zig

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/abdellahbellakrim/gnl42

C project that reads a line from a file descriptor

algorithms c data-structures header-files makefile static-variables

Last synced: 07 Jun 2026

https://github.com/studyresearchprojects/dsa-in-cpp

Data Structures and Algorithms with C++

algorithms cpp data-structures

Last synced: 07 Jun 2026

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

数据结构和算法实现

algorithms data-structures java

Last synced: 27 Apr 2026

https://github.com/bieelogrom/convertervaloresdecimaisparabinarios

Programa que converte número decimal em binário utilizando o conceito de pilhas em Java.

data-structures java pilha stack

Last synced: 27 Apr 2026

https://github.com/hibatillah/learn-java

Java Programming Documentation of Information Systems, Politeknik Caltex Riau

college data-structures documentation java oop

Last synced: 27 Apr 2026