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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/guibrandt/multi-splay

Multi-splay tree implementation written in Go

data-structures dynamic-optimality go multi-splay-tree tree-structure

Last synced: 09 Oct 2025

https://github.com/bl33h/byletter

Categorize words by their starting letter in a dictionary.

algorithms data-structures dictionary logic python text-processing word

Last synced: 09 Oct 2025

https://github.com/0xkalvin/data-structures-and-algorithms

Data structures, algorithms and leet code problems

algorithms data-structures leetcode

Last synced: 09 Oct 2025

https://github.com/bcongdon/hackerrank

:computer: My HackerRank solutions

algorithms data-structures hackerrank python

Last synced: 09 Oct 2025

https://github.com/iboudhaine/hnsw-attribute-filtering-optimization

Optimizing multi-attribute filtering for Approximate Nearest Neighbor (ANN) search using HNSW. This project integrates bitsets and Roaring Bitmaps into HNSWLib to accelerate query performance by reducing evaluation costs for large attribute datasets.

ann-search approximate-nearest-neighbor bitsets cpp data-structures efficient-filtering hnsw optimization roaring-bitmaps

Last synced: 18 May 2026

https://github.com/ranaessam03/vectorclass

Vector class implementation using c++

data-structures object-oriented-programming

Last synced: 10 Oct 2025

https://github.com/paambaati/bumplan

A simple program that finds the seating arrangement for passengers for a given custom airplane seat layout.

algorithm coding-challenge data-structures interview-questions nodejs

Last synced: 19 Jan 2026

https://github.com/figsoda/one-of

Rust library that introduces macros to represent and use types that can be converted either From or TryInto the given types

data-structure data-structures enum macro macros rust type

Last synced: 19 Jan 2026

https://github.com/afthaab/data-structures-in-golang

This repository is a comprehensive collection of various data structures implemented using the Go programming language.

data-structures leetcode-solutions

Last synced: 11 Oct 2025

https://github.com/sparsh-kumar/algorithms-implementation-in-js

A list of all algorithms implemented in plain javascript with clean code and explanation.

algorithms algorithms-and-data-structures data-structures data-structures-and-algorithms javascript linked-list queue stack trees

Last synced: 11 Oct 2025

https://github.com/joshua-light/fenwick-tree-rs

A Fenwick tree implementation.

data-structures fenwick-tree rust

Last synced: 11 Oct 2025

https://github.com/hassan11196/ds-assignments

Data Structures Assignments - FAST NUCES (Karachi) - CS201 - Fall 2018

bfs c cpp data-structures dfs infix optimization pathfinding postfix

Last synced: 18 Apr 2026

https://github.com/aitorruizes/c-singly-linked-list

This C implementation offers a generic singly linked list with customizable operations like insertion, deletion, and searching, using function pointers for flexibility with node behaviors.

c data-structures linked-list singly-linked-list

Last synced: 29 Oct 2025

https://github.com/prismadic/hygiene

A payload compression toolkit that makes it easy to create ideal data structures for LLMs; from training data to chain payloads.

compression-methods data-preprocessing data-structures llm-chain llm-finetuning llm-inference

Last synced: 13 Oct 2025

https://github.com/allansifuna/freelance-assignments

Freelancing assignments that i have coded for clients.

algorithms allansifuna assignments data-structures freelance python3

Last synced: 31 May 2026

https://github.com/miladsade96/leetcode_with_java

Solving Leetcode Challenges using Java Programming Language and Testing them with JUnit

algorithm algorithms algorithms-and-data-structures data-structures java java-8 javaee leetcode leetcode-java leetcode-solutions

Last synced: 18 Feb 2026

https://github.com/danitilahun/data_structure_and_algorithm_leetcode_and_codeforces_challenge

A daily challenge repository for data structures and algorithms from LeetCode and CodeForces, aimed at enhancing problem-solving and coding skills.

algorithms codeforces coding-challenge competitive-programming data-structures leetcode

Last synced: 23 Jan 2026

https://github.com/duliodenis/swift-ds-algo

This is a repository of Swift Data Structures and Algorithms ranging from Big-O Analysis, Linked Lists, Recursion, Generics and Sorting.

algorithms data-structures swift

Last synced: 16 Oct 2025

https://github.com/lancejpollard/tl-bplus-tree.js

4 B+ Tree Implementations from trincot on StackOverflow

algorithms bplustree data-structures javascript tree

Last synced: 17 Oct 2025

https://github.com/dp6/templates-centro-de-inovacoes

Modelos de arquiteturas, documentações, testes e deploys para as iniciativas do centro de inovação

data-quality data-science data-structures dp6 gtm inovacao

Last synced: 05 Feb 2026

https://github.com/arkaung/dart_lru

A simple LRU package in Dart

dart data-structures

Last synced: 05 Feb 2026

https://github.com/sminerport/sortvisualizer

The Sort Visualizer is an interactive tool that demonstrates various sorting algorithms in real-time. It supports Bubble Sort, Quick Sort, and more, making algorithm learning visual and intuitive.

algorithm-analysis algorithm-visualisation algorithm-visualizer data-structures data-structures-and-algorithms educational-project educational-software interactive interactive-visualizations python sorting-algorithms visualization

Last synced: 19 Oct 2025

https://github.com/pradyuman7/tree

Tree data structure class in all of its glory, in Java.

data-structures java tree tree-library

Last synced: 01 Jun 2026

https://github.com/odilson-dev/hashmap

The Hashmap Project is an assignment from TOP's curriculum, where participants work on creating and implementing a hashmap data structure as part of their learning exercises.

data-structures hashmap ruby theodinproject

Last synced: 24 Oct 2025

https://github.com/thomasafink/optimal_knn_distance_for_data_science

Plotting the Optimal Distance for Data Scientists in Python using the K-Nearest Neighbour K-NN Algorithm

data-science data-structures data-visualization k-nearest-neighbor knn knn-classification map mapping open-street-map osm osmnx python

Last synced: 24 Oct 2025

https://github.com/lucasguiss/algorithms

Algorithms and data structures in Go

algorithm data-structures go

Last synced: 24 Oct 2025

https://github.com/vedant-jain03/dsa-questions

This repo contain all my Algorithms basics problems and problem types

algorithms cpp14 data-structures

Last synced: 25 Oct 2025

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

This repo contains some data structures and algorithms I've implemented.

algorithms data-structures data-structures-and-algorithms problem-solving

Last synced: 25 Oct 2025

https://github.com/siyamulislam/oop_ps

AN INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING WITH JAVA™, FIFTH EDITION

data-structures java oop problem-solving

Last synced: 26 Oct 2025

https://github.com/mikemwai/massive

Amazon massive dataset processing project

data-structures google-drive-api

Last synced: 26 Oct 2025

https://github.com/ikhsan/datastructure

Data structures in Swift for fun

data-structures swift

Last synced: 26 Oct 2025

https://github.com/aritrac1/java

All the Basics concepts of Java, OOPs, DSA in Java and some Projects along practice problems(leetcode and other platforms) and other resources.

algorithms competitive-programming data-structures dsa dsa-algorithm dsa-practice exception-handling java java-basics java-projects leetcode leetcode-java maths multithreading oops-in-java patterns practice-programming project

Last synced: 26 Oct 2025

https://github.com/thomasthaddeus/musicalchairs

This project contains implementations of a seating arrangement algorithm using four different approaches: us module, using standalone functions, and using Python's zip function along with the built-in sorted function.

data-structures interview-questions lgplv3 optimization-algorithms python python3

Last synced: 26 Oct 2025

https://github.com/morwenn/prime_multiset

A multiset of prime numbers represented by a single integer

data-structures python python-3-5

Last synced: 28 Jan 2026

https://github.com/thomasms/fortsraw

Native data structures for modern Fortran

data-structures fortran fortran2008 ftl linked-list

Last synced: 28 Jan 2026

https://github.com/samuelastech/code

Every piece of concept that I'm learning will be placed here so that I can consult it later as a reference

algorithms data-structures data-types dynamic-programming language-learning math programming-paradigms

Last synced: 06 Feb 2026

https://github.com/solangeug/text-editor

This project is part of the Data Structures and Performance in Java Coursera course, developed by the University of California, San Diego. It allows its user to manage, manipulate and reason about large sets of textual data.

algorithms data-structures java-8 java-fx junit5 maven string-manipulation

Last synced: 15 Apr 2026

https://github.com/fabiolutz/estruturas-de-dados

Estruturas de dados criados do zero em C

binary-tree c data-structures linked-list queue stack

Last synced: 29 Jan 2026

https://github.com/chihebabiza/my-cpp-stack-array

A lightweight, template-based stack class built on top of the `clsMyQueueArr` class, which in turn uses a custom dynamic array (`clsDynamicArray`). This class provides basic stack behavior (LIFO – Last In, First Out) by inserting new elements at the beginning of the internal array.

cpp cpp-library data-structures oop stack

Last synced: 16 Mar 2026

https://github.com/elliotekj/doubly_linked_list

A fast, amortised O(log n) doubly linked list implementation

data-structures doubly-linked-list elixir

Last synced: 17 Mar 2026

https://github.com/gossiperloturot/densemap

A collection data structure that is permanently accessible by unique keys and fast iterable

data-structures rust

Last synced: 31 Jan 2026

https://github.com/suvasish114/dsa

Data structure and algorithm related problems and codes

algorithm data-structures

Last synced: 07 Feb 2026

https://github.com/r533-code/colt-cpp

C++ data structures, Unicode-aware string, allocators and other utilities used throughout the Colt Compiler.

allocators cpp20 data-structures string unicode

Last synced: 25 Feb 2026

https://github.com/skytreader/pydagogical

Implementations of textbook data structures

algorithms data-structures python

Last synced: 01 Feb 2026

https://github.com/mehdieidi/cmap

Concurrent multi-writable, multi-readable, and thread-safe hash table implemented using sharding technique.

concurrent data-structure data-structures go golang map parallel thread-safe

Last synced: 01 Feb 2026

https://github.com/d33p0st/modstore

Basic and Modded Data Structures with rust backend for speed and safety and python's comfortability.

custom-data-structures custom-data-type data-structures linux modstore python python3 rust unix windows

Last synced: 07 Feb 2026

https://github.com/orxfun/orx-fixed-vec

An efficient fixed capacity vector with pinned element guarantees.

data-structures pinned pinned-elements rust vector

Last synced: 17 Mar 2026

https://github.com/harismuneer/queue-and-stack

🎈 A C++ implementation of two datastructures: queue and stack

cplusplus data-storage data-structures datastructures free-to-use open-source-code queue stack

Last synced: 09 Feb 2026

https://github.com/forketyfork/coding-problems

Solutions to various coding problems from LeetCode, HackerRank, Daily Coding Problem etc. Each problem is accompanied by unit tests.

algorithms coding-problems data-structures hackerrank java leetcode

Last synced: 26 Feb 2026

https://github.com/orxfun/orx-imp-vec

ImpVec stands for immutable push vector 👿, it is a data structure which allows appending elements with a shared reference.

data-structures pinned pinned-elements rust self-referential self-referential-structure vector

Last synced: 17 Mar 2026

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

一次刷好，终身受益

algorithms data-structures

Last synced: 09 Feb 2026

https://github.com/praveenraam/dailycodingnote

A repository for daily programming notes and code snippets organized by topics like languages, data structures, algorithms, OS. Managed with Obsidian for efficient learning and version control.

algorithms code-snippets data-structures java learning-notes obsidian personal-projects programming version-control

Last synced: 18 Mar 2026

https://github.com/shoyeb45/avltreevisualizer

This is data structure project. In this project I've built AVL tree visualisation application using javafx library of java. This project have solidified my understanding of AVL tree data structure and learnt a lot from this project

data-structures data-visualization java javafx javafx-application visualization

Last synced: 27 Feb 2026

https://github.com/opixelum/brain-disk

Obsidian project where I store everything I've learnt.

ai algorithms coding data-structures deep-learning machine-learning maths neural-network programming

Last synced: 19 Mar 2026

https://github.com/aswinbarath/100-days-of-ds-algo

100 Days of DS Algo: Problem solving on Data Structures and Algorithms

algorithms data-structures

Last synced: 19 Mar 2026

https://github.com/abhay-kanwasi/data-structure

Various data structures in python with proper code with explanation and meaningful comments

algorithm data-structures python pythonbeginners pythondatastructure

Last synced: 13 Feb 2026

https://github.com/masumkhan081/c-plus-plus-code-notes

This repository contains notes and code snippets related to C++ programming, focusing on various fundamental concepts, the Standard Template Library (STL), and best practices. It serves as a personal reference for learning and consolidating knowledge in C++. Intend to use for personal use and to help reinforce understanding of C++ concepts

cpp data-structures low-level-programming programming-language

Last synced: 19 Mar 2026

https://github.com/noughtmare/fleet-array

A modern implementation of diff arrays

array data-structures persistent-data-structure

Last synced: 14 Feb 2026

https://github.com/savi-lang/map

Hash Map data structures for the Savi standard library.

data-structures hash-map library savi standard-library

Last synced: 19 Mar 2026

https://github.com/agilord/lookup

Dart package for constant (immutable) data structures for effiecient lookup, indexing and search in memory and on disk.

dart data-structures search

Last synced: 16 Feb 2026

https://github.com/pablohenrique/aulaspython-fatec

Repository destined for Fatec's Microinformatics classes - ADS. Realizado com @HenriqueQueirozz

ads data-structures exercises functions learning-python logic-programming pycharm-ide

Last synced: 02 Apr 2026

https://github.com/yawar-abass/dsa

Data Structure And Algorithms through Java. Some Basic Java Programs .

algorithms data-structures data-structures-and-algorithms dsa java

Last synced: 29 Mar 2026

https://github.com/saqibbedar/cpp-algorithms-datastructures

Structured Data Structures & Algorithms (DSA) in C++: topic-wise implementations, labs, assignments, revision notes, and interview practice.

algorithms c-plus-plus coding-interview coding-practice competitive-programming cp cpp data-structures dsa interview-preparation linked-list priority-queue problem-solving queue recursion searching sorting stack stl tree

Last synced: 03 Jun 2026

https://github.com/dominikjalowiecki/java-certificate-database

Simple database alike program for storing and managing rows with certificates informations.

data-structures database inno-setup java launch4j

Last synced: 17 Apr 2026

https://github.com/ivstudio/dsa

This repository serves as a study and exercise guide for JavaScript data structures and algorithms (DSA).

algorithms data-structures dsa javascript technical-interview-questions

Last synced: 17 Apr 2026

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

data-structure with [learnwithfair, Learn with fair, Rahatul Rabbi, Md Rahatul Rabbi ,rahatulrabbi]

2-2 academic data-structures data-structures-and-algorithms learn-with-fair learnwithfair python rahatul-rabbi rahatulrabbi

Last synced: 17 Apr 2026

https://github.com/olaolatunbos/leetcode

The repository contains my solutions to leetcode questions in Python, along with data structures and algorithms

algorithms algorithms-and-data-structures data-structures leetocde python

Last synced: 03 Jun 2026

https://github.com/64j0/js-datastructures-algorithms

Estruturas de dados e algoritmos com javascript - Livro (2019).

algorithms book data-structures javascript

Last synced: 03 Jun 2026

https://github.com/vitsalis/usaco

My solutions to USACO problems

algorithms c-plus-plus data-structures usaco usaco-solutions

Last synced: 17 Apr 2026

https://github.com/aliaks-ei/data-structures

A collection of the most famous data structures implemented in Typescript

binary-search data-structures editorconfig-checker hash-table javascript jest linked-list typescript unit-testing

Last synced: 19 Apr 2026

https://github.com/neelanjan00/grid-path-finder

A web app for finding and visualizing the path between a source position and a destination position in a grid using Graph algorithms such as BFS, DFS, Dijkstra, etc.

algorithms data-structures graph-theory reactjs search-algorithm

Last synced: 18 Apr 2026

https://github.com/maemoonfarooq/shortest-path-finder-using-parallel-processing

Welcome to the Parallel Shortest Path Finder! This innovative tool is designed to swiftly determine the shortest routes between pairs of nodes in a graph. Leveraging the power of Dijkstra's algorithm, it navigates graph connections using an adjacency list and a hash table-based distance matrix for optimal efficiency.

bash-script c data-structures mpi openmp-parallelization

Last synced: 18 Apr 2026

https://github.com/utkarshmishra12/leetcode_solutions

LeetCode Solutions - Repository For Codes Of Various Data Structures And Algorithms and Competitive Programming Problems

algorithms coding-solutions cpp data-structures interview interview-preparation leetcode leetcode-cpp leetcode-cpp-solutions leetcode-solutions

Last synced: 05 Apr 2026

https://github.com/vishalpadaswan3/mykaa---shopping-website

An E-Commerce website for women fashion products. A Solo Project built by a me and executed in 5 Days

backend css css-animations css-grid data-structures database expressjs html mongodb mongoose nodejs

Last synced: 05 Apr 2026

https://github.com/moindalvs/assignment_multi_linear_regression_2

Consider only the below columns and prepare a prediction model for predicting Price. Corolla<-Corolla[c("Price","Age_08_04","KM","HP","cc","Doors","Gears","Quarterly_Tax","Weight")]

cooks-distance data-science data-structures data-visualization exploratory-data-analysis feature-engineering feature-selection influencers multi-collinearity-issue outlier-removal outliers-detection predictive-modeling

Last synced: 18 Apr 2026

https://github.com/imbios/lab-extract-common-letters

📝 TypeScript implementation of an algorithm to extract common characters across multiple strings, optimized for performance with O(n*k) time complexity.

algorithms coding-challenge coding-interview data-structures educational hacktoberfest hash-table interview-preparation leetcode npm-package optimization performance problem-solving string-manipulation time-complexity typescript

Last synced: 20 Apr 2026

https://github.com/lebrancconvas/datastructure-algorithms-playground

Practicing Data Structures and Algorithms in various Programming Language.

algorithms data-structures data-structures-and-algorithms

Last synced: 04 Jun 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 Websites 88 Networking 88 Command Line 87 Data Pipelines & Streaming 85 Configuration 83 ✅ Data Structures 83 命令行工具 80 Machine Learning 79 Data Structures and Algorithms 76