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/kothar/compactlist

An efficient in-memory implementation of List<Long> aiming for minimum memory usage and good insert/remove performance.

data-structures java

Last synced: 16 Jan 2026

https://github.com/lmizner/spell-checker

A program that implements a spell checker by cross checking words from a dictionary file with the words from a user specified text file. Words matching those in the dictionary will be deemed correctly spelled, while those not matching values found in the dictionary file are flagged as misspelled.

c data-structures hash-table linked-list

Last synced: 02 Apr 2025

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/rishabh3112/binary-trees

Code to basic binary tree problems follow along 😃🎉

binary-tree data-structures iteration java recursion

Last synced: 25 Mar 2025

https://github.com/ajaysinghpanwar2002/x

The Project X, I consider it my hobby and dedicate time to work on it during the weekends.

data-structures file-system nextjs redux-toolkit

Last synced: 25 Jan 2026

https://github.com/saleh-coder/datastructuresandoperators

Project created to consolidate my knowledge of data structures and algorithms.

algorithms data-structures es6 javascript learning web-development

Last synced: 14 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/nouman6093/python_dsa_and_leetcode

in this repository i will upload everything i have learned about data structures and algorithms in python. Also i will upload all the LeetCode Exercises which i would solve using python.

algorithms algorithms-and-data-structures algorithms-datastructures data-structures data-structures-algorithms data-structures-and-algorithms data-structures-interview-questions data-structures-python dsa dsa-algorithm python python3

Last synced: 22 May 2026

https://github.com/aryanshukla206/gfg160

Solve 160 GeeksforGeeks questions in a systematic manner, explaining concepts and workflows daily.

data-structures java

Last synced: 02 Apr 2025

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/mhasanjoy/code

Data Structures

data-structures linked-list stack

Last synced: 30 Mar 2025

https://github.com/yutao-li/libheap

heap and indexheap library

data-structures heap heapsort

Last synced: 14 Jan 2026

https://github.com/ranimeshehata/implementing-sorting-techniques

A Java program implementing 3 different sorting techniques.

data-structures java junit-test sorting-algorithms

Last synced: 29 Apr 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/mindninjax/data-structures-in-javascript

Learn to implement & use various Data Structures in JavaScript 📚💻

data-structures hacktoberfest javascript tutorial

Last synced: 05 Oct 2025

https://github.com/vongostev/accudata

Simple module to store data with arbitrary structure in dict or Pandas DataFrame

data-collection data-structures pandas-dataframe

Last synced: 17 Jan 2026

https://github.com/sagarsdagdu/linkedlistwithrandompointer

A data structure problem which is about duplicating a linkedlist which has random pointers without using extra memory. Details : https://youtu.be/xbpUHSKoALg?t=27

data-structures linked-list

Last synced: 30 Mar 2025

https://github.com/petrosath/linked-list-in-javascript

A linked list data structure using javascript.

data-structures javascript linked-list nodejs

Last synced: 16 May 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/entropy-tamer/justcode

Compact binary encoder/decoder with space-efficient encoding scheme

binary binary-format bincode compact data-structures decoding encoding no-std rust serialization streaming varint

Last synced: 10 Apr 2026

https://github.com/chandantech2023/strivers_a2z_dsa_course-sheet

A DSA course that helps you to understand all DSA Concepts topic wise with practical implementation from A to Z in a well-organized and structured manner.🤩

array data-structures dynamic-programming graphs heaps linked-list programming-fundamentals queue searching-algorithms sorting-algorithms stacks string tree two-pointers

Last synced: 06 Oct 2025

https://github.com/shoyeb45/datastructureandalgorithm

This repo contains implementation of various data structure and algorithms.

algorithms cpp data-structures data-structures-and-algorithms dsa java python3

Last synced: 09 Apr 2026

https://github.com/kevinknights29/dsa_in_java

This repo contains data structures and algorithms implemented in Java.

algorithms data-structures java

Last synced: 22 Mar 2025

https://github.com/ivan-guerra/huffman

Huffman data compression

compression data-structures huffman-coding

Last synced: 14 Mar 2025

https://github.com/an4b4515/data-structures

Most common Data-Structures and Algorithms implemented in Java from scratch ☕ ♨️

algorithms bstree data-structures graph hashtable java linear linked-list nonlinear queue searching-algorithms sorting stack

Last synced: 22 Mar 2025

https://github.com/skarakasoglu/gfg-algorithms

Solutions and implementations of the some algorithm problems in Golang

algorithm algorithms data-structures golang

Last synced: 14 Jan 2026

https://github.com/houbb/leetcode-notes

leetcode-notes 力扣算法刷题笔记 数据结构与算法

algorithms data-structures leetcode

Last synced: 30 Aug 2025

https://github.com/failpt/avl-csharp

Generic AVL tree implementation and testing in C#

avl avl-tree bst csharp data-structures generic generic-library self-balancing-trees

Last synced: 30 Aug 2025

https://github.com/jojiiofficial/bytestore

Various data structures directly stored in memmapped files or as bytearray in memory with focus on efficiency and performance.

bytes data-structures datastructures memory-mapped-file memory-mapping mmap mmapped

Last synced: 22 May 2026

https://github.com/walt-1/algorithms

popular algorithms

algorithms data-structures python

Last synced: 07 Oct 2025

https://github.com/akihiko47/c-experience

This repository contains my experiments with the C language. My goal is to create implementations of different data structures and algorithms.

c data-structures

Last synced: 07 Oct 2025

https://github.com/abdullah-niaz/sliding-window-popular-interview-problems

The "Sliding-Window-Popular-Interview-Problems" repository is a collection of solutions to common coding problems that utilize the sliding window technique, frequently asked in technical interviews. This repo aims to help developers understand and master this efficient algorithm by providing clear, well-documented solutions to a variety of problems

algorithms data-structures problem-solving sliding-window

Last synced: 18 Apr 2026

https://github.com/stdorg/go-collections

go-collections provides implementations of essential data structures and interfaces in Go.

algorithms collections data-structures go golang interfaces library

Last synced: 14 Jan 2026

https://github.com/sarmad426/dsa

DSA (Data Structures and Algorithms). This Repository covers the fundamental and advance concepts of data structures using C++.

algorithms cpp data-structures programming

Last synced: 30 Aug 2025

https://github.com/jacob-pitsenberger/python-electronics-inventory-management-system-object-oriented-programming-project

Welcome to the Python Electronics Inventory Management System project repository! This project is a demonstration of Object-Oriented Programming (OOP) principles in Python for managing an electronic parts inventory.

data data-structures dictionary exception-handling file-io filesystem input-output inventory-management-system management-system modules oop pickle python user-interface

Last synced: 08 Oct 2025

https://github.com/0xalihn/acm-problem-solving-source-code

Problem solving source code in UVa, HackerRank, Tocoder, Codility using Data structure and Algorithm by C, Python and Java. Interview problem solving for different tech company.

algorithms c data-structures hackerrank interview-questions java problem-solving python3 topcoder uva-online-judge

Last synced: 19 Apr 2026

https://github.com/xinecraft/algo

Data Structures & Algorithm in Go

algorithms data-structures go golang

Last synced: 14 Jan 2026

https://github.com/davidyslu/OnlineJudgePKU

Personal submissions on PKU Online Judge (北京大學程式解題系統)

algorithms cpp data-structures

Last synced: 29 Aug 2025

https://github.com/taxborn/cis-122

This is most of my code I wrote in my CIS-122 Data Structures class.

c-sharp data-structures mvc

Last synced: 08 Oct 2025

https://github.com/eskabore/woerter

Dies ist ein C-Programm, das Wörter aus einer Datei liest, sie in einem Array speichert und verschiedene Optionen zur Manipulation und Suche bereitstellt. Das Programm liest Wörter aus einer Datei mit dem Namen "woerter.txt", die sich im selben Verzeichnis wie die ausführbare Datei befinden sollte.

algorithms algorithms-datastructures c data-structures sorting-algorithms

Last synced: 08 Oct 2025

https://github.com/maknahar/trie

Thread Safe Implementation of Trie Data Structure in Go

data-structures golang tree-structure trie

Last synced: 14 Jan 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/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/josugoar/labyrinth

Maze editor, generator and solver

algorithms data-structures

Last synced: 27 Aug 2025

https://github.com/semanurbilada/lab-examples

Lectures: Computer Programming 2 | OOP | GUI Programming | Data Structures | Algorithms | Cyber Security | System Analysis and Design

algorithms computer-programming-2 cyber-security data-structures information-systems-engineering lab-lectures object-oriented-programming oops-in-java system-analysis-and-design

Last synced: 08 Oct 2025

https://github.com/carlossanabriam/csharp-basics

Some projects related to OOP, functional programming and parallel programming in C#

csharp data-structures functional-programming generics inheritance linq master-worker memoization oop parallel-programming word-count

Last synced: 08 Oct 2025

https://github.com/kakukosaku/dsa

Data Structures & Algorithms

alogrithms data-structures

Last synced: 14 Jan 2026

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

Implementations in C++ of algorithms and data structures developed in the Data Structures course at Centro Universitário Barão de Mauá. Includes lists, stacks, queues, trees, graphs, hash tables, and sorting and searching algorithms.

academic-project algorithms algorithms-and-data-structures baraodemaua c computer-science cplusplus cpp data-structures graphs hash-table lists programming queues searching-algorithms stacks tree trees

Last synced: 24 May 2026

https://github.com/eliasdeallmeida/tic-tac-toe-game-tree

Algoritmo que analisa a melhor jogada para um tabuleiro de jogo da velha por meio de uma árvore de jogadas.

data-structures game-tree minimax-algorithm python tic-tac-toe

Last synced: 22 May 2026

https://github.com/antojebi7/java_chloroplast

(Growing)Java-Chloroplast is your ultimate Java reference hub, packed with concepts, code snippets, and best practices from basic syntax to advanced frameworks. Whether you're preparing for interviews, building applications, or mastering Java, this repo converts knowledge into pure coding energy—just like a chloroplast!

algorithms classes-and-objects data-structures java logical-programming object-oriented-programming problem-solving

Last synced: 05 Nov 2025

https://github.com/jacopodl/jcollections

Common data structures for the C language

c collections data data-structures jcollections

Last synced: 30 Jul 2025

https://github.com/googtech/classic-algorithms-in-java

:gem: programs are data structures plus algorithms ~

algorithms data-structures java

Last synced: 09 Oct 2025

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/armanjscript/softwaredevelopment

The repository includes all apps in Web Development, GUI, and Mobile App Development

chrome-extensions data-structures flutter-apps gui-application javascript nodejs python tailwind-css webdevelopment

Last synced: 09 Apr 2026

https://github.com/aranyak-ghosh/golist

Minimal and extendable data structure implementation using generics

data-structures go golang

Last synced: 14 Jan 2026

https://github.com/geo-tp/autocrud

API Rest to automatically generates and manages CRUD operations for custom data structures defined by users

crud data-structures rest-api

Last synced: 24 Aug 2025

https://github.com/kartheekcic/hackerrank_solutions

This repository contains the solution to a bunch of hackerrank problems that I have solved.

algorithms data-structures programming

Last synced: 22 Sep 2025

https://github.com/youseftareq33/java_datastructuer_1_tawjihirecord-linkedlist-

This project focuses on Tawjihi students in the West Bank and Gaza, and involves working with data using (linkedlist).

data-structures java javafx

Last synced: 01 May 2026

https://github.com/xingbofeng/data-structure

重新学一遍清华版《数据结构》

cpp data-structures

Last synced: 09 Oct 2025

https://github.com/meysam81/red-or-black-tree

red or black tree, implemented in c++ containing insert and delete

college college-project data-structures red-black-tree tree tree-search tree-structure

Last synced: 02 Jan 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/dicrtarasov/yii2-json

Утилиты Json для Yii2 (JsonEntity)

data-structures dicr entity json json-yii2 php yii2

Last synced: 09 May 2026

https://github.com/simon-gardier/image-classifier

📷 Image classifier with Dynamic Time Warping

algorithms bounded-queue data-structures dynamic-time-warping info0902

Last synced: 10 Oct 2025

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/ikeraguero/javascript-course

This repo provides a place for uploading projects and concepts from Jonas Schmedtmann's 'The Complete JavaScript Course', focused on the essentials of vanilla JS and how it works below the surface.

apis data-structures dom-manipulation javascript oop

Last synced: 23 Aug 2025

https://github.com/xiaohan2012/pyheap

binary heap implementation in Python

data-structures heap priority-queue

Last synced: 23 Aug 2025

https://github.com/leoobarbosa2/data-sctructures

General information about Data Structures and how to implement it.

data-structures data-structures-and-algorithms

Last synced: 22 Aug 2025

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/sreejeet/leetcode

My leetcode solutions. No PRs unless for improvement/corrections.

algorithms competitive-programming data-structures exercises leetcode leetcode-solutions solutions

Last synced: 14 Jan 2026

https://github.com/chinmaybhalodia/walmart-virtual-internship

All the tasks submitted during the Advanced Software Engineering Virtual Training Program offered by Walmart Global Tech on Forage platform.

data-munging data-structures java python relational-database-design software-architecture software-engineering sql

Last synced: 29 Apr 2026