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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/mohamedelfiky/problem_solving_refreshment

Algorithms, Problem solving and Data Structures refreshment

algorithms data-structures problem-solving

Last synced: 15 Jan 2026

https://github.com/manjurulhoque/problem-solving

A repository to contain my submissions in various online judges.

algorithms codechef codeforces data-structures hackerrank leetcode problem-solving

Last synced: 20 Mar 2025

https://github.com/massigy/dynamic-data-structures

This repo conataines code about dynamic programming and data structures!

data-structures git github pascal shell

Last synced: 22 Oct 2025

https://github.com/cleosilva/estruturas-dados-javascript

Estrutura de dados e algoritmos implementados em Javascript com explicações e links para leitura adicional

algorithm data-structures interview javascript javascript-algorithms

Last synced: 19 May 2026

https://github.com/gigdevelopment10/pythonsaurus

Find solutions to common coding challenges with this curated collection of AlgoRythms

data-structures matrix python

Last synced: 29 Mar 2025

https://github.com/prathameshdhande22/data-structure-and-algorithms

This Repository Contains all the code which i have written while doing DSA.

algorithm algorithms clanguage data-structures dsa dsa-algorithm java leetcode

Last synced: 21 Apr 2026

https://github.com/fumieval/elias-fano

Elias-Fano encoder

data-structures succinct

Last synced: 26 Mar 2025

https://github.com/yadvi12/striver-sde-dsa-sheet

Striver SDE Sheet - CPP Solutions

algorithm coding-challenge cpp data-structures

Last synced: 02 Feb 2026

https://github.com/nicbet/cart

Crystal Adaptive Radix Tree Implementation

algorithms crystal-language data-structures radix-tree tree

Last synced: 08 Sep 2025

https://github.com/make-github-pseudonymous-again/js-lifo

:icecream: Last In, First Out data structures for JavaScript

agpl computer-science data-structures javascript lifo ordered-collections stacks

Last synced: 12 Dec 2025

https://github.com/dan-sazonov/informatics-solutions

🎓(RU) Решения олимпиадных задач с сайта informatics.msk.ru

algorithms algorithms-and-data-structures data-structures education informatics informatics-solutions learn olympiad-in-informatics olympics

Last synced: 13 Oct 2025

https://github.com/winterrdog/c-hash-map

this is a pure C project i took on to learn the details of how to implement a hash table aka hash map aka associative array.

computer-science data-structures hash hashmap hashtable

Last synced: 21 Mar 2025

https://github.com/andyfratello/eda

💻 Exercicis d'Estructura de Dades i Algorismes (EDA) Q2 - UPC FIB

algorithms cpp cpp-programming data-structures eda-fib fib-upc

Last synced: 20 Mar 2025

https://github.com/ranimeshehata/expression-evaluator

Conversion from infix to postfix notations using implemented stack data structure and evaluate the postfix expression.

data-structures infix-to-postfix java postfix-evaluation stack

Last synced: 21 Jul 2025

https://github.com/mgobeaalcoba/data_structs_python

Practice with different types of data structures in python

arrays cube data-structures grid linked-list node pile python3

Last synced: 29 Dec 2025

https://github.com/systemson/collection

Data structures as an alternative to the php array

arrays bag collection data-structures map php set vector

Last synced: 25 Jan 2026

https://github.com/indianwhocodes/adshuffmanproject

Comparative Evaluation of Data Compression through binary, four-way, and pairing heaps without any standard lib. container except vector.

academic academic-project binary-heap cpp data-compression data-structures heaps

Last synced: 03 Apr 2025

https://github.com/tyler-cromwell/ctci

My solutions to the questions in Cracking the Coding Interview (6th Edition) (WIP)

algorithm-challenges algorithms c c-plus-plus data-structures java python3

Last synced: 17 Feb 2026

https://github.com/saspal02/data-structures-and-algorithms-

This repository contains all my learnings and code while practicing DSA.

algorithms data-structures dsa java leetcode math solutions

Last synced: 12 May 2025

https://github.com/amansrv/dsa-leetcode

In this repository i only practicing all different varieties of questions related to all different topics of data structure and algorithm.

algorithm data-structures leetcode

Last synced: 11 May 2025

https://github.com/koterpillar/appendmap

A Data.Map wrapper with a Monoid instance that delegates to the individual keys

containers data-structures haskell map monoid semigroup

Last synced: 10 Apr 2025

https://github.com/tusharpamnani/dsa

A comprehensive resource for learning DSA. Originally crafted for personal revision, it has evolved into an open library for enthusiasts, students, and developers alike.

algorithms data-structures

Last synced: 27 Mar 2025

https://github.com/ostafen/hopmap

Yet another efficient hashmap implementation for Golang based on the hopscotch open addressing scheme.

data-structures golang hashing hashing-algorithm hashmap hashtable hopscotch-hashing open-addressing

Last synced: 20 Mar 2025

https://github.com/mrbelga/algorithms-search-sort

Repo de algoritmos de busca e ordenação, eficiência em estruturas (interna/externa). Árvores, classificação em memória (vetores, listas) e externa (arquivos binários). Disciplina de Ciência da Computação, focada na escolha eficiente de algoritmos para resolver problemas específicos.

data-structures estrutura-de-dados java search-algorithm searching-algorithms thread threads

Last synced: 11 Jan 2026

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

Generic, fast, and ergonomic collections for Go 1.25+. Type-safe data structures with iter.Seq support.

btree collections data-structures generics go golang hashmap hashset iter-seq type-safe

Last synced: 17 Feb 2026

https://github.com/matthew-mosior/flood-fill-diagrams

A Haskell based implementation and visualization of a scanline stack based flood fill algorithm.

data-structures flood-fill-algorithm gif-animation haskell haskell-diagrams haskell-stack scanline-stack-fill st-monad starray svg-generator

Last synced: 23 Jun 2025

https://github.com/arkapg211002/college-dsa

Data Structures and Algorithms in JAVA and C for college

algorithms c college data-structures java

Last synced: 16 Apr 2026

https://github.com/jiaqiluo/simple-card-game

A practice for stack and queue

cpp data-structures

Last synced: 21 Mar 2025

https://github.com/dangnm9699/data-structures-and-algorithms

Do data structures and algorithms exercises, solve problems on LeetCode, Codeforces,...

algorithms data-structures

Last synced: 18 Oct 2025

https://github.com/broucz/lf-queue

A lock-free multi-producer multi-consumer unbounded queue.

concurrency data-structures mpmc-queue queue

Last synced: 12 Apr 2025

https://github.com/hadijahkyampeire/maintainance-tracker

Maintenance Tracker App is a product that provides users with the ability to reach out to operations or repairs department regarding repair or maintenance requests and monitor the status of their request. visit the live app at

css data-structures flask flask-restful html nosetests python3

Last synced: 19 Jun 2025

https://github.com/jacobgrisham/dna-identification-algorithm-using-python

Program takes a sequence of DNA and a CSV file containing Short Tandem Repeats (STR) counts for a list of individuals and then outputs to whom the DNA (most likely) belongs.

algorithms data-structures dna dna-identification-algorithm python

Last synced: 21 Aug 2025

https://github.com/viktorsvertoka/goit-algo-hw-10

Home task for Basic Algorithms and Data Structures📊

algorithms data-structures goit goit-algo-hw-10 python

Last synced: 14 Jul 2025

https://github.com/daniel-ac-martin/php-seids

PHP SEIDS: Supplementary, Easily Interchangeable Data Structures

data-structures library php

Last synced: 18 Jun 2025

https://github.com/monamobeen/coding

100+ Challenges Data Structures & Algorithms. As this repo designed to help you prepare for technical interviews at top tech companies like Meta (Facebook), Amazon, Apple, Netflix, and Google (MAANG). The focus is on building a strong foundation in clean code, data structures, and algorithms.

data-structures geometry hashmap leetcode-practice mathematics matrix

Last synced: 02 Apr 2026

https://github.com/truongd3/new_perl-like_language

New Simple Perl-Like Language by Truong Dang

cpp data-structures perl

Last synced: 17 May 2026

https://github.com/brianferri/fmm-c--

collection of fast multiplication algorithms and matrix operations. It is written in C++ and is header only. It is designed to be used in other projects and rewritten to fit the needs of the project

algorithms calculus cpp data-structures fast-multiplication library math mathematics matrix-calculations matrix-multiplication matrix-operations

Last synced: 12 Jul 2025

https://github.com/jzplp/data-structure-ywm-implementation

数据结构 严蔚敏版 书中各种数据结构代码的自己实现

data-structures implementation yanweimin

Last synced: 01 Jan 2026

https://github.com/h3ar7b3a7/furtherbacktotheroots

Small applications made while studying C in Harvards cs50 course. An introduction to several concepts of computer programming.

c data-structures memory-management

Last synced: 15 Jun 2025

https://github.com/subhangisati/data-structure-in-c

This is implementation of array, stack, queue, linked list and algorithms in C programming language.

algorithms-and-data-structures c-language c-programming-language data-structures dsa-algorithm practice-programming problem-solving

Last synced: 01 Jan 2026

https://github.com/theodesp/go-tries

Go tries implements several types of Trie data structures for experimental use.

data-structures golang trie

Last synced: 28 Mar 2025

https://github.com/larusso/concat-reader

Adapter for reading through multiple reader continuously

concatenate data-structures reader rust

Last synced: 19 Mar 2025

https://github.com/dps0340/doitdatarithm

'Do it! 자료구조와 함께 배우는 알고리즘 입문 C 언어 편' 연습문제 풀이

algorithms data-structures solutions

Last synced: 08 Jul 2025

https://github.com/kalpitcool2006/go-datastructures

This repository consists of the code samples, assignments, and the curriculum for the Community Classroom complete Data Structures & Algorithms Golang bootcamp. GO Data Structures & Algorithms

algorithms algorithms-and-data-structures competetive-programming data-structures golang golang-examples interview interview-preparation interview-questions interviewbit interviewbit-solutions map math

Last synced: 22 Jul 2025

https://github.com/thucpn/data-structures-in-java

Full synthesis of data structures in java (definition, bigO, advantages, disadvantages, use cases).

data-structures java

Last synced: 03 Apr 2025

https://github.com/muhammadsaadx/dynamic-system-model-database

I have developed a database system called DSDB that is capable of storing data in multiple files within the computer's file system. The DSDB system utilizes B-trees, AVL trees, and Red-Black trees to index the data stored in the files. This indexing mechanism ensures that various operations can be performed on the data effectively and efficiently.

avl-tree btree data-structures database-management red-black-tree sql

Last synced: 12 Mar 2025

https://github.com/pc9795/ds-algo-java

Data structures and Algorithms implemented in Java :coffee:. Some theory notes also.

algorithms data-structures java

Last synced: 28 Jun 2025

https://github.com/ofilipatrick/python-algos

Data Structures and Algorithms in Python

algorithms data-structures python

Last synced: 04 Apr 2025

https://github.com/am-kantox/finger_tree

Pure Elixir implementation of FingerTree

binary-tree data-structures elixir elixir-lang queue

Last synced: 04 Apr 2025

https://github.com/juliusmarminge/pathfinding-visualizer

A visualizer of different pathfinding algorithms

algorithms data-structures react typescript vite

Last synced: 18 Apr 2026

https://github.com/rosekamallove/problem-solving

Concepts and Practice problems that I am solving while learning Data Structures and Algorithms

algorithm competitive-programming cpp data-structures

Last synced: 30 Mar 2025

https://github.com/ahmed-roshdy-1/sheet-4

Data Structure using C

c data-structures queue stack

Last synced: 02 Mar 2025

https://github.com/dtroupe18/swiftyalgorithms

Swift Algorithms is a repo designs to contain various programming questions that are answered in Swift.

algorithms data-structures interview-practice playground programming-challenges swift

Last synced: 01 Aug 2025

https://github.com/shimul-zahan/leetcode_problems_solves

A comprehensive collection of solutions for various LeetCode problems, designed to enhance problem-solving and coding skills. Includes detailed explanations and optimized implementations in Python. Organized by data structures, algorithms, and topics to help users prepare for technical interviews.

algorithms data-structures interview-preparation leetcode-solutions object-oriented-programming problem-solving python techniques top-150

Last synced: 16 Feb 2026

https://github.com/just-do-halee/optionee

The macro to creates option structure so easily.

configuration data-structures development-tools macro no-std option rust utility

Last synced: 18 Feb 2026

https://github.com/alexjmercer/datastructures-algorithms

A repo created to practice and publish code regarding various topics of Data Structures & Algorithms. Also planned to include all solutions from LeetCode.

algorithms cpp data-structures java learning-by-doing leetcode leetcode-solutions

Last synced: 20 May 2026

https://github.com/jdeokkim/algoitni

A collection of libraries that implement various data structures and algorithms.

algoitni algorithms data-structures raylib raylib-examples

Last synced: 04 Apr 2025

https://github.com/marwa-eltayeb/datastructures_and_algorithms

Data Structures and Algorithms implemented in Java

algorithms data-structures java

Last synced: 15 Jun 2025

https://github.com/shashaaankkkkk/dsa_c_notes

📚 C DSA Notes: PDF Repo 🖥️ Master C Data Structures & Algorithms! 🚀 Explore concise PDFs on key concepts, code examples, & problem-solving strategies. 📝💻 Clone & excel in DSA! Happy coding! 🤓👩‍💻👨‍💻 #CProgramming #DataStructures #Algorithms #PDFs #Repo

algorithms c-programming-language data-structures data-structures-and-algorithms dsa opensource

Last synced: 02 Jan 2026

https://github.com/henrifroese/external_memory_fractal_tree

Implementation of External Memory Fractal Tree (a variant of the Buffered Repository Tree) in C++ through the STXXL library.

b-tree-implementation cpp data-structures external-memory

Last synced: 23 Jul 2025

https://github.com/michaelehab/algorithmic-toolbox-san-diego

Algorithmic Toolbox Programming Challenges Solutions from University of California San Diego course on Coursera

algorithms coursera data-structures divide-and-conquer dynamic-programming greedy-algorithms uc-san-diego

Last synced: 04 Mar 2025

https://github.com/rcarubbi/cansi-datastructures

Data Structure Couse with examples written in C Ansi

binary-search c c-ansi data-structures linked-list

Last synced: 02 Jan 2026

https://github.com/scriptnull/linkedlist.cr

Linked List Implementation for Crystal Programming Language

data-structures linked-list

Last synced: 04 Apr 2025

https://github.com/hungrybluedev/c-programs

A collection of well-documented, mostly self-contained C programs. The programs include implementations of Data Structures as well as Algorithms.

algorithm c data-structures dependency-free implementation

Last synced: 08 Apr 2025

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

Personal repository, containing implementations and notes about data structures.

c data-structures set stack

Last synced: 27 Apr 2025

https://github.com/ruimaciel/msexpr

M's sexpr library: a s-expressions data structure library implemented in C

c c-library c90 data-structures library parser s-expression s-expressions

Last synced: 04 Jun 2026

https://github.com/ahmedharoon07/bakeshopproj

A Simple CLI program made in Java that uses Data Structures like Arrays, Queues, LinkedList and ArrayList

array arraylist cli data-structures desktop-application linked-list

Last synced: 01 Apr 2025

https://github.com/liangyaopei/hyper

Thread safe, concurrent used hyperloglog implemented in Golang, using murmur v3 hash function

algorithms algorithms-and-data-structures data-structures golang hyperloglog

Last synced: 25 Jan 2026

https://github.com/genogrove/genogrove

Modern C++ chained interval indexing library

bplustree cpp data-structures genogrove genome genomics graph indexing intervals

Last synced: 20 May 2026

https://github.com/alisawari/ts-data-structure

Implemented most useful and important Data Structures used in Software Development, All With TypeScript 🌟

data-structures datastructures typescript

Last synced: 28 Jan 2026

https://github.com/anupam-io/avl_tree

AVL tree: height-balanced trees in C supporting add, remove, search, update features. A comparison of AVL trees with red-black trees is also done(std::set).

avl-tree avl-tree-code avl-tree-implementations bst c data-structures height-balanced-trees red-black-trees rotations std

Last synced: 03 Apr 2025

https://github.com/anindya-dey/dsa

A website where I summarize solutions for DSA problems.

algorithms andys-cli data-structures data-structures-and-algorithms dsa nextjs react tailwind tailwindcss vercel

Last synced: 09 Apr 2026

https://github.com/huseynovvusal/pqjs

⚡ A fast and lightweight priority queue implementation for JavaScript.

algorithms data-structures heapq pqjs priority-queue

Last synced: 12 Mar 2026

https://github.com/irfanshadikrishad/data-structure-with-cpp

data-structure-logbook.cpp

cpp20 data-structures dsa

Last synced: 15 Apr 2025

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