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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/shaheer2003/railway-ticket-portal

The Railway Ticket Reservation Portal is an automated train booking system that allows users to create accounts, search for train routes, book tickets, and manage reservations. It features an efficient hash-based login system, Dijkstra’s algorithm for shortest route calculation, and multiple seat class options.

c console-application cpp data-structures dijkstra dsa hashtable railway-reservation

Last synced: 02 May 2026

https://github.com/naganandana-n/dsa-in-c

Data Structures & Algorithms coursework at BITS, Pilani.

algorithms c data-structures

Last synced: 24 Jul 2025

https://github.com/convexwf/leetcode

Solution to Leetcode problems. 在此记录 Leetcode 题目的解法思路，以C++为主。

algorithm cpp data-structures leetcode

Last synced: 24 Aug 2025

https://github.com/w1z2z/algorithms-js

Simple algorithms in JavaScript

algorithms data-structures javascript

Last synced: 14 Jul 2025

https://github.com/code-parth/data-structure-college

Semester 3, GTU Practical, Data Structure

c college data-structures gtu semester-3

Last synced: 25 Mar 2025

https://github.com/b-jure/ccoll

ccoll is C library that provides basic data structures.

c data-structures educational

Last synced: 27 Jun 2025

https://github.com/tayyabasghar/dsa_semester_3

This repo has all the code that we learn in class. Data Structures and everything else. If you are a student of CS 2018 from UET, this might help you.

data-structures queue

Last synced: 08 Apr 2025

https://github.com/hojat72elect/kotlin_data_structures_algorithms

Common algorithms and data structures implemented in Kotlin.

algorithms data-structures jvm kotlin

Last synced: 16 May 2025

https://github.com/francescobarbieri/codingchallenges

Solutions to various coding problems from renowned platforms like Advent of Code, LeetCode, and more.

algorithms coding-challenges data-structures interview-prep problem-solving

Last synced: 31 Mar 2025

https://github.com/ersalman4/stack_operations

A menu driven stack implementation in C using Modular design and Makefile

beginner-project c cli-app data-structures dynamic-arrays makefile stack

Last synced: 23 Apr 2025

https://github.com/tomBoddaert/dynode

A linked list that can hold dynamically sized data in its nodes.

data-structures linked-list

Last synced: 15 Aug 2025

https://github.com/abdur75648/organizational-hierarchy-java

A java program to store employee data and maintains the information about organization hierarchy

algotithms assignment avl-tree binary-search-tree binary-tree col106 data-structures database-management dsa iitd java linked-list queue

Last synced: 31 Mar 2025

https://github.com/tsiarokhin/bsu-famcs-algo-solutions

My solutions for "Algorithms and Data Structures" lessons at Belarusian State University (acm.bsu.by)

acm algorithms bsu competitive-programming data-structures famcs study

Last synced: 05 Jan 2026

https://github.com/rotedar/first.cpp

uri 100+ solve...

css data-structures

Last synced: 15 Mar 2025

https://github.com/chrsm/northbound

GoNorth typedefs for Go

data-structures go golang gonorth

Last synced: 07 Jan 2026

https://github.com/iampavangandhi/photoeditor

🖼️ Photo Editor Web App (using 3D Array)

arrays data-structures javascript photo-editor vanilla-javascript

Last synced: 28 May 2026

https://github.com/rana-arju/javascript-problem-solving

JavaScript Problem solving with Data Structures + Algorithms

algorithms data-structures javascript problem-solving

Last synced: 02 Apr 2025

https://github.com/elis-vasconcelos/estrutura-dados-algoritmos

Repositório com implementações de estruturas de dados e algoritmos em Python.

data-structures hashing-algorithm tree-data-structure

Last synced: 02 Apr 2025

https://github.com/petru-braha/VD-library

Visualisation of possible operations on data structures

data-structures object-oriented-programming opengl

Last synced: 05 Sep 2025

https://github.com/marcoschalet/pokedex

Jogo em C feito com intuito de treinar conceitos para monitoria em Algoritmos e Estrutura de Dados.

c data-structures pokedex

Last synced: 15 Mar 2025

https://github.com/hrvadl/ads_lab4

Program for finding/deleting/inserting elements into binary tree

algorithms data-structures tree tree-structure typescript

Last synced: 25 Mar 2025

https://github.com/camsai/notebooks

CAMSAI Notebooks provides interactive Jupyter notebooks for AI-driven materials science research. These notebooks demonstrate the use of CAMSAI tools, schemas, and workflows, offering hands-on examples for data validation, materials design, and AI integration to accelerate scientific discovery.

artificial-intelligence chemistry data-science data-standards data-structures data-visualization density-functional-theory machine-learning materials materials-design materials-informatics materials-science modeling-and-simulation molecular-dynamics

Last synced: 27 Oct 2025

https://github.com/camara94/analysediscriminant

L'analyse factorielle discriminante (AFD) ou simplement analyse discriminante est une technique statistique qui vise à décrire, expliquer et prédire l'appartenance à des groupes prédéfinis (classes, modalités de la variable à prédire…) d'un ensemble d'observations (individus, exemples…)

data-minig data-mining-algorithms data-mining-python data-science data-structures

Last synced: 23 Jan 2026

https://github.com/saraasgari99/inroadsgame

Strategic graphical game developed using graph algorithms, software design (OOP, defensive programming), unit testing, and memory management techniques

cpp data-structures defensive-programming graph-algorithms gui memory-management object-oriented-programming software-design unit-testing

Last synced: 23 Jul 2025

https://github.com/sanketmaru/typescript-algorithms

Algorithms implemented in Typescript

algorithms data-structures javascript jest typescript

Last synced: 05 May 2026

https://github.com/denpeshkov/datastructures

A library of various data structures implemented in Go.

data-structures go

Last synced: 27 Feb 2025

https://github.com/bisceglialuigi/advent_of_code

This repository contains my solutions for the Advent of Code challenges! Advent of Code is an annual coding event featuring daily programming puzzles throughout December. It's a fun way to improve problem-solving skills and explore creative algorithms.

advent-of-code advent-of-code-2024 algorithms competitive-programming data-structures fun python3

Last synced: 01 Jul 2025

https://github.com/mrktsm/calculator

JavaFX-based Calculator App for CS216

css data-structures java javafx object-oriented-programming stack

Last synced: 09 May 2026

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

Estruturas de Dados diversas implementadas em C++.

c-plus-plus cmake cpp23 data-structures data-structures-and-algorithms training

Last synced: 02 Apr 2025

https://github.com/ashwanikumar04/data-structure-and-design-problems

A collection of ds and design problems

data-structures design ds

Last synced: 26 Jan 2026

https://github.com/henrylin03/odin-linkedlist

Implement linked list data structure using vanilla JavaScript (Node) as part of The Odin Project's "Full Stack JavaScript" course.

data-structures data-structures-and-algorithms javascript linked-list linked-list-in-js linked-lists linkedlist

Last synced: 29 May 2026

https://github.com/marklauter/btree

In-memory BTree.

btree data-structures

Last synced: 01 Apr 2025

https://github.com/ishibi/binary-search-tree

An implementation of Binary Search Tree in TypeScript

algorithms binary-search-tree data-structures typescript

Last synced: 02 Apr 2025

https://github.com/lukehb/137-datastructures

Data structures used for building java applications, particularly data-mining projects.

data-structures file java spatio-temporal trajectory

Last synced: 07 Jun 2026

https://github.com/sameem420/data-structures-with-javascript

Data Structures with JavaScript

data-structures javascript js

Last synced: 17 Mar 2025

https://github.com/lourdilene/algorithms

Practice of algorithms and data structures

algorithms data-structures javascript python3 typescript

Last synced: 13 Apr 2026

https://github.com/mkwapisz2000/cpp-priority-queue

This project implements a priority queue using two data structures: Binary Heap (Heap), Linked List (LinkedList)

alghorithms cpp data-structures heap linked-list priority-queue

Last synced: 30 Jun 2025

https://github.com/ishmal793/lists-tuples-dictionaries-json-sets

Beginner-friendly Python practice covering core collection types like lists, tuples, dictionaries, sets, and JSON with real-world problems.

beginner-projects data-preparation data-structures dictionaries json lists python python-collections python-practice sets text-processing tuples

Last synced: 13 Apr 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/msskowron/godatastructures

Collection of data structures implemented in Golang.

data-structures go

Last synced: 13 Jun 2026

https://github.com/mekhails/splay-tree

Realization of splay tree data structure on C language.

c data-structures

Last synced: 16 Mar 2025

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/swethasridhar0509/data-structures-and-algorithms

This repository is dedicated to my journey in mastering Data Structures and Algorithms (DSA). It contains notes, code snippets, problem-solving strategies, and resources for various DSA topics. The goal is to enhance my understanding, improve coding skills, and prepare for technical interviews.

algorithms data-structures dsa dsa-questions python3

Last synced: 30 Jul 2025

https://github.com/mblumtritt/invariable

The Invariable data class for Ruby.

data-structures ruby ruby-gem

Last synced: 08 Aug 2025

https://github.com/isobarbaric/word-predictor

an emulation of popular browsers' auto-complete feature

autocomplete data-structures java trie

Last synced: 04 Sep 2025

https://github.com/gauravcodepro/diff-alternative-data-structure-r

I read this post today and they mentioned the diff which i have used a lot in R but i want to put this git just to show that you can also do this from a data structure point of view

data-science data-structures r rdataframe rprog rprogramming

Last synced: 17 Aug 2025

https://github.com/dalvarez2596/codility-lessons

This repository contains solutions to various coding problems from Codility, a platform that offers a wide range of algorithmic challenges aimed at improving coding skills and preparing for technical interviews.

algorithms big-o-notation codility codility-challenges codility-exercises codility-lessons codility-solutions codility-training data-structures ruby

Last synced: 10 Jan 2026

https://github.com/montybechir/redblacktreemapreduce

A hadoop project that is able to handle very large data sets and construct a red black tree. A script is available to automate iterative map reduce jobs.

data-structures distributed-computing hadoop mapreduce python redblacktree scripting

Last synced: 10 Jan 2026

https://github.com/waynewbishop/bishop-algorithms-book

A book on commonly used algorithms & data structures in Swift.

algorithms book data-structures graph-algorithms ios-sdk swift

Last synced: 02 Apr 2025

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/torao/slate

Slate: Reference implementation of Stratified Hash Tree, an immutable and appendable hash tree (Merkle tree).

blockchain data-structures database hash merkle-tree merkletree

Last synced: 20 May 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/orbulant/hardware-store-das

Using C++, data structures and algorithms are created to simulate a hardware store's inventory operations.

algorithm data-structures manipulate-data

Last synced: 04 Apr 2025

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/andreysolovyev381/circular_buffer_fixed_size

Short exercise on a fixed size circular buffer data structure.

circular-buffer circular-queue cpp cpp20 data-structures

Last synced: 25 Jun 2025

https://github.com/neuralsignal/loris

Loris: Database and Analysis application for a Drosophila Lab (or any lab)

data-analysis data-structures database datajoint flask neuroscience

Last synced: 12 Mar 2026

https://github.com/rodrigo-sp17/algorithms-ds

Implementation of algorithms and data structures. Part of Algorithms course by Princeton University, on Coursera.

algorithms data-structures

Last synced: 01 Mar 2025

https://github.com/lucasmcclean/dsa

A collection of data structures and algorithms implemented in Go.

algorithms data-structures data-structures-and-algorithms dsa go golang

Last synced: 14 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/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/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/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/Akilesh-GA/PythonMazeSolver

a maze represented as a 2D array where 1s are walls and 0s are open paths. The player or algorithm starts at a designated entry point and aims to reach the exit point. You can implement various algorithms to solve the maze, such as Depth-First Search (DFS), Breadth-First Search (BFS), or A

data-structures python

Last synced: 23 Feb 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/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/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/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

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