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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/milenacarecho/42basecamp

Listas de exercicios realizadas durante o basecamp da 42 em julho/2021

c data-structures

Last synced: 14 Mar 2025

https://github.com/sakshijain009/just-problems

Variety of Data Structures and Algorithms Problems in C and Java 🥂

c coding-challenge data-structures gfg internship java practice preparation programming-challenges questions

Last synced: 08 Mar 2026

https://github.com/kalongn/cse-214

Data Structure & Algorithm with Java (College Class).

algorithm data-structures java

Last synced: 30 Oct 2025

https://github.com/aruneshbasak/python-dsa-problems-geeksforgeeks-160-days

I will upload my daily Python DSA problems solved on GeeksforGeeks and post it here!

algorithms-and-data-structures and data data-structures dsa python python3 structure

Last synced: 08 May 2025

https://github.com/d-coder135/non_linear_data_structures

This Repo Contains Codes For Non-Linear Data Structures In Java Programming Language.

avl-tree bst data-structures java non-linear-data-structures tree-structure

Last synced: 14 Apr 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/okeuday/keys1value

Erlang set associative map for key lists

data-structures erlang

Last synced: 24 Jul 2025

https://github.com/skazemi/collidea-rust

Collision-prone memory-efficient collections

data-structures hash hashmap hashset memory-efficient

Last synced: 18 Sep 2025

https://github.com/ososuna/js-data-structures-library

💾 JavaScript data structures library

data-structures es6 javascript nodejs

Last synced: 18 May 2026

https://github.com/sakapon/wbtrees

Provides a basic implementation of weight-balanced binary trees.

algorithms binary-search-tree data-structures self-balancing-binary-search-tree weight-balanced-tree

Last synced: 26 Jul 2025

https://github.com/make-github-pseudonymous-again/js-collections-ordereddict

:signal_strength: Python's ordereddict data structure for JavaScript

agpl collections data-structures dict javascript ordered ordereddict

Last synced: 18 Sep 2025

https://github.com/zerefwayne/go-data-structures

Implementation of popular data structures and algorithms in Go

data-structures go golang

Last synced: 27 Jul 2025

https://github.com/nitinkedia7/cs210-data-structures

Solutions to assignments of CS201/210 Data Structures course taught at IITG-2017

data-structures graph hashing-algorithm heap linked-list queue soritng stack tree

Last synced: 27 Jul 2025

https://github.com/jasperdevir/std_dds

A single file C Library that implements of a range of basic dynamic data structures.

arraylist data-structures linkedlist

Last synced: 27 Jul 2025

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

Not a standard queue—it's a unique implementation using my custom Dynamic Array class, modified for learning purposes while retaining core functionality.

data-structures queue

Last synced: 28 Jul 2025

https://github.com/ritankarsaha/dsa

Data Structures and Algorithms

algorithms data-structures dsa-algorithm

Last synced: 28 Jul 2025

https://github.com/ac000/libac

A C library of miscellaneous utility functions

c data-structures freebsd geospatial json linux network-programming string-distance time

Last synced: 21 Sep 2025

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/eesunmoon/data_structure

[Spring 2020] Data Structure using C language

c data-structures

Last synced: 25 Sep 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/josephgoksu/ceng202-datastructures

Yildirim Beyazit University CENG 202 Data Structures LAB Notes 2016

algorithm algorithms data-structures java

Last synced: 31 Jul 2025

https://github.com/nkokor/Fibonacci-Heap

Python implementation of Fibonacci Heap

data-structures fibonacci-heap

Last synced: 25 Sep 2025

https://github.com/ahmed-roshdy-1/lab-3-assissment

it problem-solving using data structures and that when I in my second years in computer science college

c data-structures

Last synced: 02 Aug 2025

https://github.com/sr-tamim/algorithm-practice

Data Structure and Algorithm (DSA) practice repo of SR Tamim

algorithm algorithms-and-data-structures data-structures data-structures-and-algorithms dsa

Last synced: 05 Jan 2026

https://github.com/sysread/skewheap-pp

A fast and flexible heap structure written in pure perl

data-structures heap perl perl5 prioity-queue queue skew skewheap

Last synced: 02 Aug 2025

https://github.com/priyakdey/algodex

Algodex is a comprehensive collection of Data Structures and Algorithms (DSA) resources, solutions, and notes.

algoexpert algorithms algorithms-and-data-structures data-structures interview-preparation leetcode neetcode workattech

Last synced: 02 Aug 2025

https://github.com/object88/rope-experiment

Experiment to evaluate different implementations of the rope data structure

data-structures go rope

Last synced: 04 Aug 2025

https://github.com/ehab-elshimi-developer/java-problem-solving-sheets

Scalable Java problem-solving sheets — modular, backend-ready, clean-coded, and mindset-driven. Designed to simulate real-world engineering challenges.

algorithms backend-development clean-code data-structures design-patterns engineering-mindset exception-handling java modularization multithreading oop oop-in-java problem-solving solid-principles

Last synced: 07 Aug 2025

https://github.com/halvaradop/leetcode

A collection of solutions to LeetCode problems, focusing on algorithms and data structures

algorithms approaches data-structures leetcode techniques typescript

Last synced: 09 Aug 2025

https://github.com/tan45nadim/data-structures-algorithms

A Comprehensive Repository of Data Structures and Algorithms

algorithms data-structures dsa

Last synced: 19 Aug 2025

https://github.com/iyashwantsaini/dust

Data Structures | Algorithms | STL | C++

algorithms cpp data-structures

Last synced: 30 Aug 2025

https://github.com/davidyslu/OnlineJudgeZero

Personal Submission of Online Judge Zero (臺灣高中生程式解題系統)

algorithms cpp data-structures

Last synced: 29 Aug 2025

https://github.com/pranit2001/cp-

competitive programming guide

algorithms c-plus-plus data-structures maths

Last synced: 29 Jun 2025

https://github.com/devourtech/christmasdb

A key value store to explore on database and storage internals

data-structures database golang key-value-store

Last synced: 04 Jan 2026

https://github.com/kibet-rotich/c-learning

A deep dive into C and C++ fundamentals, documenting my journey through K&R C, manual memory management, and custom data structures like BSTs.

binary-search-tree c cpp data-structures memory-management pointers

Last synced: 25 May 2026

https://github.com/gaurav-chaurasia/dsa

All my practice problem(data-structure and algorithmic) and code are here

algorithm competitive-programming cpp data-structures readme-md

Last synced: 25 May 2026

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/mutokrm/googlestep

This repository has homework that I submitted during Google STEP where I learned the basics of of Computer Science.

algorithms calculator data-structures malloc traveling-salesman-problem

Last synced: 22 Apr 2026

https://github.com/arin-paliwal/data-structure-in-c

This Repository consists of a Program Code in C Language as described by our curriculum in the B.Tech Programme in the domain of Computer Science and Engineering. It consists of codes which i have used in DSA in C Language and it is also a credential subject in our curriculam.

algorithms c data-structures

Last synced: 07 Apr 2025

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

Belajar Data Structure Pada Berbagai Bahasa Pemrograman

data-structures

Last synced: 05 Apr 2025

https://github.com/sysread/skewheap

A fast, efficient, self-adjusting heap for Perl, implemented in C

c data-structures heap perl skew-heap xs

Last synced: 17 Apr 2026

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

:computer: PHP data structures

data-structures php spl

Last synced: 30 Mar 2025

https://github.com/mondonno/algorithms

Collection of resuable algorithm templates written in pure C++

algorithm algorithms all cpp data-structures math prefix-sumes sorting trees

Last synced: 04 Jun 2026

https://github.com/sandyyyzheng/mouse-maze

Mouse-Maze: A Freshman Data Structure Course Project based on DFS

course-project data-structures dfs java maven maze maze-game

Last synced: 10 May 2026

https://github.com/ashharr/dsa-bootcamp

Data Structures and Algorithms. LeetCode Problems Practice.

algorithms data-structures dsa interview java python

Last synced: 19 Apr 2026

https://github.com/mohitbansal964/binary-tree

Binary Tree Insertion, Traversal and display in vertical and horizontal format

binary-trees cpp data-structures

Last synced: 30 May 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/kishore-devaraj/layman-js-snippets

A repo which contains simple snippets to describe important concepts in javascript world and also contains common data structure patterns implemented in js.

data-structures javascript nodejs reactjs redux

Last synced: 11 Apr 2026

https://github.com/dronnix/bwarr

Black-White Array: fast, ordered data structure based on arrays with O(log N) memory allocations

btree btrees cache cache-friendly computer-science data-structure data-structures go golang ordered performance sorted-set

Last synced: 13 Jan 2026

https://github.com/aaron-zhao/js-utils

js-utils-z provides JavaScript utility functions including commonly used data structures.

data-structures javascript utility

Last synced: 15 Mar 2025

https://github.com/adriandarian/hackerrank

💻 All of my HackerRank Solutions

algorithms data-structures

Last synced: 18 Jan 2026

https://github.com/haseeeb21/stack-in-python

Implementing Stack in python by importing deque library, creating Class of Stack and making functions of stack implementations.

class data-structures googlecolaboratory pop push pycharm python python3 stack

Last synced: 14 May 2026

https://github.com/drapegnik/algorithms

⏱️practise tasks on theory of algorithms on FAMCS, BSU

algorithms brute-force bsu c-plus-plus cpp data-structures famcs graph-algorithms

Last synced: 05 Apr 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/orgh0/interview_bit

Solutions to Problems of InterviewBit

algorithm data-structures interviewbit

Last synced: 15 Mar 2025

https://github.com/skyv26/leetcode-exercises

LeetCode is one of the most well-known online judge platforms that you can use to practice your programming skills by solving coding questions. It has over 1,100 different problems, support for over 18 programming languages, and an active community that is always there to help you with the solution

algorithms data-structures interview interview-practice interview-preparation interview-questions

Last synced: 15 Mar 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/humbertocg18/pucrs-alest-i-2.3-2023.24

Trabalhos, Projetos, Exercícios e aulas realizados em Java na cadeira de Algoritimos e estrutura de dados 1, matéria do segundo semestre.

beecrowd beecrowd-solution-in-js beecrowd-solutions-in-java data data-structures datastructures-algorithms hashmap hashtable java-8 leetcode leetcode-javascript leetcode-solutions leetcodepra pucrs sorting-algorithms

Last synced: 29 Mar 2025

https://github.com/nishkarsh25/iit-h-hospital-helpdesk-portal

Description: The IIT-H Hospital Helpdesk Portal is a multipurpose system that includes a directory of doctors and patients, an appointment management system, and a feedback management portal. The portal allows for easy access to important information, including doctor and patient details, appointment availability, and feedback ratings.,

data-structures linkedlists-using-class

Last synced: 15 Jul 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/ruban2205/data-structures-and-algorithms-python

This repository contains Data structures programs programmed using Python language. It contains 11 topics from Stack to Binary Search Tree.

data-structures data-structures-and-algorithms interview-practice python python-data-structures

Last synced: 15 Mar 2025

https://github.com/blackspade/json-data-mine

Data collections using JSON format for applications.

data-structures json

Last synced: 04 Apr 2025

https://github.com/ikauematos/data-structurec

Hello devs okay with you guys? this repository aims to show a little about the sorting methods using C to apply the ordering methods

c data-structures language

Last synced: 27 Feb 2025

https://github.com/wwwangxc/container

Various data structures implemented using Go.

data-structures go golang

Last synced: 16 Jan 2026

https://github.com/mmiranda96/algorithms-go

Algorithms workshop in Golang

algorithm data-structures golang

Last synced: 02 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/yjhmelody/as-collections

Collections for assemblyscript

assemblyscript collections data-structures queue

Last synced: 08 Apr 2025

https://github.com/bam-j/datastructure

자료구조 C언어 구현

c data-structures

Last synced: 31 Mar 2025

https://github.com/mathusanm6/leetcode

Solutions for Leetcode Problems (tested using pytest and continuous integration)

algorithms algorithms-and-data-structures continuous-integration data-structures flake8 leetcode-python leetcode-solutions pytest

Last synced: 28 Aug 2025

https://github.com/itsjomon/java-dsa

A Java Data Structures and Algorithms repository for quick revision, practice, and reference.

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

Last synced: 16 Mar 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 98 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