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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/thwiseman/algorithms

My versions of various common algorithms.

algorithms data-structures sorting

Last synced: 21 Sep 2025

https://github.com/karbica/go-field-notes

A collection of algorithms and data structures for reference and learning purposes.

algorithms data-structures go

Last synced: 14 Jan 2026

https://github.com/luisedmc/presser

A compressor and decompressor using Huffman Coding

algorithm c data-structures huffman-coding

Last synced: 10 Oct 2025

https://github.com/bryanaustin/structquery

Query data structures using string path in Go

data-structures go query

Last synced: 13 Mar 2026

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

Estruturas de Dados na linguagem Go :brazil:

data-structures pt-br

Last synced: 14 Jan 2026

https://github.com/neox5/btmp

Pure Go bitmap library designed as a building block for data structures. 64-bit words, efficient range operations, validated API with overlap-safe copies.

bitmap bitset data-structures golang pure-go range

Last synced: 14 Jan 2026

https://github.com/riannegreiros/fccjscertification

Free Code Camp - JavaScript Algorithms and Data Structures Projects

algorithms data-structures freecodecamp-project

Last synced: 21 Sep 2025

https://github.com/eldehan/go-exercises

A collection of coding problems and exercises completed in Go

algorithms data-structures go golang

Last synced: 14 Jan 2026

https://github.com/bhavinpatel4199/machine-learning-programming

This repository serves as a central hub for various machine learning projects and experiments. It contains multiple sub-repositories, each focusing on different aspects of machine learning, from data preprocessing to advanced deep learning techniques.

data-structures data-visualization machine-learning machine-learning-algorithms pandas-dataframe python3 sklearn

Last synced: 19 Jan 2026

https://github.com/rbuj/basic-data-structures

A collection of simple examples for learning basic data structures using C.

ansi-c data-structures

Last synced: 11 Oct 2025

https://github.com/freddydrew/deepdiveusingjava

Where I keep all of my class work from Udemy's Data Structures & Algorithms: Deep Dive Using Java course.

arraylist arrays data-structures hashtable heaps linked-list queues search-algorithms sorting-algorithms stacks trees

Last synced: 11 Oct 2025

https://github.com/zyx-0314/dsa-patient-record-management-system-v.2

A C++ console application for managing patient records. Features include patient registration, display, and update.

basic-programming cpp data-structures school-project

Last synced: 29 Jul 2025

https://github.com/uppnrise/daily-coding-problems

Daily coding problems and solutions - Interview preparation and algorithm practice

algorithms coding-problems daily-coding-problem data-structures interview-prep java

Last synced: 29 Jul 2025

https://github.com/randomgamingdev/doublelinkedlistlibjs

A simple double linked list that stores the head, tail and length of the list.

data-structures easy easy-to-use javascript linked-list list simple small

Last synced: 29 Jul 2025

https://github.com/whisperpine/leetcode-py

LeetCode problem solutions in Rust.

algorithms data-structures dsa leetcode neetcode python

Last synced: 11 Oct 2025

https://github.com/saadarazzaq/master-lists-in-python

Master LISTS in a LAYMAN Language ✨

data-structures lists python

Last synced: 11 Oct 2025

https://github.com/jackfirth/rpn

A Racket package for working with Reverse Polish Notation stack structures

data-structures forth racket reverse-polish-notation

Last synced: 18 Feb 2026

https://github.com/andygol/andygol.github.io

Andrii Holovin – Product & Project Manager Geospatial Expert / OpenStreetMap Consultant / DevOps practitioner

consultant data data-structures devops experience floss gis mapping navigation openstreetmap personal-site personal-website

Last synced: 11 Oct 2025

https://github.com/kritika30032002/sde_sheets_solutions

Here Solutions to the SDE sheets are available to help students with the optimized solution and understanding of each question. Give it a Star 🌟If it helps you

algorithms-and-data-structures data-structures dsa interview-preparation interview-preparation-resources interview-questions open-source sde-sheet

Last synced: 11 Oct 2025

https://github.com/pronazmul/dsa_js

Implementing Data Structure and Algorithm in JavaScript. Implemented Data Structures like (Stack, Queue, link list), Sorting Algorithms like (Linear Search, Binary Search). Big O Notation, Time Complexity and Space Complexity.

algorithms data-structures dsa js

Last synced: 29 Jul 2025

https://github.com/dylankle/dungeon-first-search

Checks if a graph in the form of a dictionary has an exit

data-structures depth-first-search

Last synced: 12 Oct 2025

https://github.com/likweitan/stutter

Write a method stutter that accepts a queue of integers as a parameter and replaces every element of the queue with two copies of that element for example [1, 2, 3] becomes [1, 1, 1, 2, 2, 2, 3, 3, 3].

data-structures

Last synced: 12 Oct 2025

https://github.com/c2akula/bitarray

Package bitarray provides a convenient and fast BitArray data structure that compactly stores bits in Go.

bitarray boolean compact convenient data-structures fast go golang pure-go pure-golang

Last synced: 14 Jan 2026

https://github.com/lewisadiaz/proyecto-integrado-cpp

Voting system for three different series categories

c data-structures functions loops string-manipulation voting-system

Last synced: 12 Oct 2025

https://github.com/talenfisher/cis152

Class materials from CIS152: Data Structures and Algorithms in Java

data-structures java

Last synced: 12 Oct 2025

https://github.com/hegner123/learn-datastructures

AI prompt workflow system for generating data structures practice problems with Claude Code

ai-prompts algorithms claude-code data-structures educational go learning-path leetcode-alternative practice-problems prompt-engineering typescript

Last synced: 17 Jan 2026

https://github.com/robin-mlh/treedatastructure

Tree-based data structure system with functions for adding, modifying, deleting or reading data from a directory path.

data-structures functions python utils

Last synced: 12 Oct 2025

https://github.com/didogrigorov/leetcode-may-daily-challenges-2023

Python solutions to LeetCode's May 2023 Daily Challenges, organized by date. Ideal for practicing coding, mastering Python, and preparing for interviews.

algorithm-challenges algorithms algorithms-and-data-structures coding coding-challenge coding-challenges coding-interviews data-structures interview leetcode leetcode-python leetcode-solutions programming python python3

Last synced: 12 Oct 2025

https://github.com/r-n/calculatorstring

Calculator that takes math expression string as input like in Python

c calculator data-structures expression-evaluator interpreter linked-list math string-parsing

Last synced: 13 Oct 2025

https://github.com/marcoschalet/parade

Criando um mini jogo em C com intuito de treinar conceitos para monitoria em Algoritmos e Estrutura de Dados.

c data-structures game

Last synced: 20 Sep 2025

https://github.com/nickradford/ts-data-structures

Common data structures implemented as generic classes in Typescript.

data-structures generics typescript typescript-library

Last synced: 19 Jan 2026

https://github.com/vishvanavanjana/dsa

Data Structures and Algorithms

algorithms data-structures graphs

Last synced: 28 Feb 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 Oct 2025

https://github.com/rstacks/leetcode-write-ups

My solutions to foundational LeetCode problems, complete with explanations and alternative solutions. All solutions are written in Python.

algorithms data-structures data-structures-and-algorithms leetcode leetcode-solutions python3

Last synced: 13 Oct 2025

https://github.com/m-aqsam/complete-java

Complete Java Learning Journey Fron Basics

data-structures inheritance inheritance-examples java java8 javaprojects

Last synced: 03 Jan 2026

https://github.com/aibolik/js-ds

Common data structures in TypeScript/JavaScript implemented efficiently

data-structures javascript stack typescript

Last synced: 13 Oct 2025

https://github.com/qibinlou/kotlin-common-lib

A Guava-like Kotlin common platform algorithms and utilities lib.

algorithms common data-structures js jvm kotlin library

Last synced: 13 Oct 2025

https://github.com/yagoliu/go-algo

用 Go 实现的数据结构和算法之路，日渐完善中，敬请期待！

algorithms algorithms-and-data-structures data-structures go go-algorithms go-datastructure golang

Last synced: 13 Oct 2025

https://github.com/jurshsmith/data-fuel

Houses a blockchain syncing engine & implementations of the LinkedList data-structure

data-structures linked-list rust sync sync-engine

Last synced: 14 Oct 2025

https://github.com/mariantaragel/setcal

Set and relation calculator

c data-structures project

Last synced: 14 Oct 2025

https://github.com/clifftech123/hackerrank-data-structures

This repository contains C# solutions to HackerRank data structures problems

cshap data-structures hackrank

Last synced: 03 Nov 2025

https://github.com/smercer10/blockbuster

WIP collection of lock-free data structures.

cpp data-structures lock-free non-blocking

Last synced: 14 Oct 2025

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

Repository for the Data Structures course

c data-structures

Last synced: 14 Oct 2025

https://github.com/zhuangqh/datastructure

several data structure's template

data-structures pta

Last synced: 07 Nov 2025

https://github.com/nelsonbn/algorithms-data-structures-stack

Algorithms and Data Structures - Stack

algorithms data-structures stack

Last synced: 14 Oct 2025

https://github.com/nish7/algosjs

Algorithms and DS practice in Javascript

algorithms data-structures javascript

Last synced: 27 Jul 2025

https://github.com/kamilkrauze/stackvector

A cache-coherent stack allocated templated vector.

cache-coherence cmake cpp data-structures

Last synced: 14 Oct 2025

https://github.com/samad-yar-khan/competetive-programming

This is a repository for all the competitive programming contests/

competitive-programming data-structures problem-solving

Last synced: 14 Oct 2025

https://github.com/theronwolcott/data-structure-phonebook

This project implements Ordered Linear Probing (OLP) and Quadratic Probing (QP) for collision resolution in hash tables, supporting soft deletion, hard deletion, and auto-resizing with prime number capacities for optimal performance.

data-structures hash-tables java

Last synced: 14 Oct 2025

https://github.com/theronwolcott/data-structure-kdtree-prquadtree

Implemented KD-Trees and PR-QuadTrees with efficient spatial queries, using inheritance and polymorphism. Optimized k-NN and range searches, dynamic node transformations, and geometric computations for high performance.

data-structures java trees

Last synced: 14 Oct 2025

https://github.com/zelflod/aisd

Algorithms Course Problems solved

algo data-structures technopark

Last synced: 14 Oct 2025

https://github.com/kanavgoyal898/spellsensei

spellSensei is a lightweight Python-based spell checker using the Wagner-Fischer algorithm to calculate Levenshtein distance and suggest accurate corrections. Designed for efficiency, it seamlessly integrates into applications without sacrificing performance. Ideal for enhancing text accuracy in personal projects or larger systems.

algorithms data-structures dynamic-programming python scratch-implementation spell-checker wagner-fischer-algorithm

Last synced: 27 Jul 2025

https://github.com/tush-tr/code-in-cpp

Learn C++ with solving a lot of questions and also data structures and algorithms concepts

algorithms-and-data-structures c cpp data-structures

Last synced: 29 Mar 2025

https://github.com/barrettj12/collections

Generic, Java-style collections in Go.

collection data-structures golang library

Last synced: 27 Jan 2026

https://github.com/benjaminsemah/fcc-coding-challenges

This repo is a collection of JavaScript Solutions and Walkthroughs to common coding challenges. The challenges in this repo are taken from the FreeCodeCamp's curriculum.

algorithms data-structures freecodecamp javascript solutions walkthrough

Last synced: 14 Oct 2025

https://github.com/rockchalkwushock/dsa-notes

Notes from Data Structure & Algorithm tutorials.

algorithms data-structures

Last synced: 27 Jan 2026

https://github.com/astro-ph/cosmolib

Easy-to-use formats and plots for cosmological observables

cosmology data-structures library plotting visualization

Last synced: 22 Jan 2026

https://github.com/naforoutan/skyline-computation-bjr-tree

A data structures project implementing a BJR-Tree for efficient dynamic skyline queries, processing multi-dimensional datasets with continuous point insertions and deletions.

data-structures skyline tree-structure

Last synced: 18 Sep 2025

https://github.com/gozdesaygiliyalcin/algorithm-and-data-structures-examples

This repo includes some basic examples which are insertion, binary search tree and merge sort.

basic-algorithms binary-search-tree data-structures insertion-sort merge-sort

Last synced: 27 Jan 2026

https://github.com/dezashibi-c/dcommon

My commonly used utilities, headers, scripts, etc.

c data-structures dynamic-values helpers scripts utilities

Last synced: 15 Oct 2025

https://github.com/sam0jones0/cracking-the-coding-interview

My solutions written in Python to the problems presented in "Cracking the coding interview 6th edition: 189 programming questions and solutions" by Gayle Laakmann McDowell.

algorithms cracking-the-coding-interview data-structures python python3

Last synced: 15 Oct 2025

https://github.com/mohammed-majid/task-manager

To-do list web app that organizes data using a heap data structure

data-structures graph heap

Last synced: 16 Oct 2025

https://github.com/StudyResearchProjects/dsa-in-cpp

Data Structures and Algorithms with C++

algorithms cpp data-structures

Last synced: 16 Oct 2025

https://github.com/heap-data-structure/d-ary-heap

:octopus: d-ary heap data structure library for JavaScript

agpl binary-heap computer-science d-ary-heap data-structures heaps javascript worst-case

Last synced: 16 Oct 2025

https://github.com/antonygz/estructura_de_datos

Implementaciones y explicaciones de estructuras de datos en distintos lenguajes.

data-structures graphs queues stack trees

Last synced: 27 Jan 2026

https://github.com/ryansakurai/huffman-coding

Project that turns text into code using Huffman Coding, based on an Advanced Data Structures exercise.

compression data-structures java

Last synced: 16 Oct 2025

https://github.com/dan-niles/data-structures-and-algorithms

Collection of data structures and algorithms for CS2023

algorithms cpp cs2023 data-structures

Last synced: 18 Sep 2025

https://github.com/msarmadqadeer/data-structures-implementation

These are the tasks that I performed during learning data structures.

cpp data-structures dsa dsa-algorithm

Last synced: 26 Jul 2025

https://github.com/souravsuvarna/cash-flow-minimizer-web-application

This is Data Structure & Algorithm Based Model Project. Which Minimizes the Cash Flow Between Set of friends using Greedy Algorithm technique . Here we integrated model with by considering 3 persons involving in the transaction.

algorithms-and-data-structures data-structures python3

Last synced: 17 Oct 2025

https://github.com/zeekersky/activities

This repository contains assignment solutions for various courses conducted at IIT Mandi. The content spans across different topics, including Data Structures and Algorithms (DSA), Computer Vision, and the Computer Science Practicum course.

algorithms algorithms-and-data-structures computer-science computer-vision cpp data-structures python3

Last synced: 17 Oct 2025

https://github.com/woosungkim0123/data-structures-deep-dive

Repository for Data Structures Learning

c data-structures

Last synced: 24 Aug 2025

https://github.com/josecarlosnf/graphs

Implementações de grafos utilizadas na disciplina de projetos de algoritmos II (eq. estruturas de dados II)

bfs-search breadth-first-search data-structures deep-first-search dfs-search dijsktra-algorithm graph prim-algorithm python search ufpa

Last synced: 17 Oct 2025

https://github.com/3ein39/sparse_array_matrix

Representing an array of very huge indices (e.g. 10^8) using doubly linked list

data-structures doubly-linked-list linked-list sparse-matrices sparse-matrix

Last synced: 26 Jul 2025

https://github.com/abdo-essam/red-black-tree

Red Black Tree - Data Structure

data-structures pointers redblack-tree

Last synced: 18 Oct 2025

https://github.com/ianfelps/leetcode

Repositório com soluções comentadas de problemas de LeetCode. Inclui explicações, abordagens utilizadas e reflexões sobre cada questão resolvida.

data-structures leetcode python study

Last synced: 18 Sep 2025

https://github.com/alinpahontu2912/racket-supermarket

first homework for programming paradigms

data-structures functional-programming racket

Last synced: 18 Oct 2025

https://github.com/bovem/algorithms-in-a-nutshell

Practice scripts from "Algorithms in a nutshell" book by George T. Heineman

algorithms algorithms-and-data-structures data-structures java oreilly

Last synced: 18 Oct 2025

https://github.com/vaibhavmojidra/data-structures---arrays-in-java

Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.

arrays data-structures java mojidra vaibhav vaibhav-mojidra vaibhavmojidra

Last synced: 18 Oct 2025

Data structures Awesome Lists
awesome-leetcode-resources 79 best-of-python 715 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 Data-Structures-Algorithms-Python 80 Algorithms-and-Data-Structures 47 data-structures-in-open-source 31 awesome-nodejs-pure-js 96 awesome-interview 74 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 144 Database 130 Web Frameworks 107 Third-party APIs 105 Miscellaneous 101 ✅ Algorithms 97 Exercises 92 Testing 89 Networking 89 Command Line 87 Websites 86 Configuration 83 ✅ Data Structures 83 Data Pipelines & Streaming 82 命令行工具 80 Data Structures and Algorithms 76 Machine Learning 75