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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/union-find/contiguous

:rice: Contiguously-allocated disjoint-set data structures for JavaScript

agpl amortized computer-science data-structures disjoint-sets javascript

Last synced: 21 Feb 2026

https://github.com/suxrobgm/java-structures

Implementation of data structures and algorithms in Java

algorithms data-structures java

Last synced: 20 Jun 2025

https://github.com/oleiade/atelier

A collection of Go algorithms, data structures, APIs and helpers to resort to when in need

algorithms data-structures golang helpers

Last synced: 04 Feb 2026

https://github.com/arindal1/thecodejungle

Curated collection of resources for developers, programmers and tech enthusiasts.

computer-science data-science data-structures interview-questions resources software-development

Last synced: 21 Jan 2026

https://github.com/jvedsaqib/dsa_java

Some programs related to Data Structures and Algorithms in Java.

array data-structures dfs graph linkedlist search sorting-algorithms stack

Last synced: 04 Feb 2026

https://github.com/npepinpe/redstruct

REDis data STRUCTures

data-structures lua-script redis ruby

Last synced: 23 Mar 2025

https://github.com/ritvik19/codebook

Code Repository for various Competitive Programming platforms, solutions to various tricky problems and implementations of various algorithms in various programming languages

algorithm algorithm-challenges algorithms codechef competitive-programming data-structures hackerearth hackerrank programming-languages

Last synced: 16 Mar 2025

https://github.com/ujjawalsinghsde/Placement_Prepration

This repository consists of all the material required for cracking the coding rounds and technical interviews during placements.

algorithm css data-structures html java javascript mongodb notes php placement prepinta100code sorting-algorithms sql

Last synced: 30 Dec 2025

https://github.com/qwq-dev/myleetcodesolutions

Daily uploads of Leetcode solutions to enhance my coding skills.

data-structures leetcode leetcode-solutions

Last synced: 01 Apr 2025

https://github.com/melhosseiny/struct

Data structure/algorithm library for JavaScript

algorithms computer-science data-structures

Last synced: 16 Mar 2025

https://github.com/camara94/data-visualization-with-python

Data visualization and some of the best practices when creating plots and visuals. The history and architecture of Matplotlib, and how to do basic plotting with Matplotlib. Generating different visualization tools using Matplotlib such as line plots, area plots, histograms, bar charts, box plots, and pie charts. Seaborn, another data visualization library in Python, and how to use it to create attractive statistical graphics. Folium, and how to use to create maps and visualize geospatial data.

data data-science data-structures data-visualization python3

Last synced: 06 Jul 2025

https://github.com/mizrael/dictionarylookupbenchmark

Benchmark of lookup performance between `Dictionary`, `SortedList`, `SortedDictionary` and `HashSet`.

benchmark data-structures dotnet

Last synced: 08 Oct 2025

https://github.com/marouane-elgoumiri/problem_solving

Series of coding problems and my answers to them

arrays data-structures problem-solving

Last synced: 16 Mar 2025

https://github.com/sagiegurari/c_vector

A simple growable vector for C

c c-lib c-library data-structures vector

Last synced: 08 Oct 2025

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

Organizing some college assignments and random things ; )

console-application data-structures oop

Last synced: 27 Feb 2025

https://github.com/hweawer/algohol

Algorithmic tasks in courses and contests

algorithms data-structures leetcode

Last synced: 10 Oct 2025

https://github.com/seikhchilli/bubble-sort-algorithm-cpp

Bubble Sort Algorithm using c++.Arranges array in ascending order.

algorithms array ascending bubble-sort cpp data-structures pointers-and-arrays sorting-algorithms

Last synced: 15 Mar 2025

https://github.com/jaeyson/algox

Common Algorithms and Data Structures implemented using Elixir

algorithms algorithms-and-data-structures data-structures elixir

Last synced: 06 Mar 2026

https://github.com/not-minimal/tarea-estructura-de-datos

Tarea en grupo de programación en C y elaboración de informe sobre problemas de estructuras de datos.

c data-structures software

Last synced: 19 Oct 2025

https://github.com/limitedeternity/datastructures

Udemy – Easy to Advanced Data Structures

cpp data-structures

Last synced: 19 Oct 2025

https://github.com/avidlearnerinprogress/algorithmictoolbox-ucsd

Coursework solutions to UCSD DSA specialization

algorithms cpp data-structures moocs

Last synced: 22 Oct 2025

https://github.com/sumeetsarkar/geeksforgeeks

GeeksforGeeks DS problems in Javascript

arrays data-structures ds geeksforgeeks stacks

Last synced: 23 Oct 2025

https://github.com/yoannpa/dtrsiv

A collection of functions using data.table to efficiently clean large tables using a simplified syntax

data-structures rdatatable rpackage

Last synced: 25 Oct 2025

https://github.com/jeepway/data-structures-in-c

A collection of implementations of commonly used data structures in C.

algorithms c c-programming data-structures data-structures-in-c dsa makefile

Last synced: 14 Feb 2026

https://github.com/samridhisainii/codzy_dsa

This is my repository of Leetcode , GeeksforGeeks and Codechef questions which i solve regularly

algorithms cpp data-structures

Last synced: 23 Jan 2026

https://github.com/quang-pham-dev/ds-a

[WIP] The repository for revising and practicing data structures and algorithms. [TODO] move to practice with python

algorithms big-o data-structures hash-table javascript leetcode-solutions linked-list stack-queue tree

Last synced: 24 Jan 2026

https://github.com/turbomack/queue

Simple FIFO (first in, first out) Queue implementation in Elm

data-structures elm queue

Last synced: 24 Feb 2026

https://github.com/kimmyxpow/php-dsa

This repository contains fundamental Data Structures and Algorithms implemented in PHP, designed for learning and exploring PHP's capabilities in computational problem-solving.

algorithm algorithms data-structures data-structures-and-algorithms php php-data-structures php-data-structures-and-algorithms

Last synced: 29 Jan 2026

https://github.com/maskedsyntax/intellipath

A python based visualizer for A* pathfinding algorithm.

algorithms animation astar-algorithm data-structures priority-queue pygame python3 queue

Last synced: 30 Jan 2026

https://github.com/pragmatic-objects/oo-data

Tool for generating data-like interfaces

data-structures elegantobjects java oop

Last synced: 01 Mar 2026

https://github.com/joht/data-restructor-js

Transforms parsed JSON objects into a uniform data structure

adapter data-structures javascript json parser restructure

Last synced: 01 Feb 2026

https://github.com/vaseug/powerlib

PowerLib contains classes and extension methods for working with data structures and MSSQL server data.

arrays collections data-structures database deployment entityframework helpers linq linq2sql mssqlserver sqlclr sqlserver

Last synced: 02 Feb 2026

https://github.com/vickttor/data_structure_and_algorithms_with_java

Learning Data Structure and Algorithms by using Java

algorithms bigonotation data-structures java

Last synced: 26 Feb 2026

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

An efficient dynamic capacity vector with pinned element guarantees.

data-structures fragment pinned pinned-elements rust split vector

Last synced: 17 Mar 2026

https://github.com/anishlearnstocode/python-workshop-3

Python 🐍 Workshop on Language Basics, Constructs and introduction in Data Structures & Algorithms 👨‍💻 @WhatAfterCollege 🎓

algorithms arithmetic-expression data-structures dictionary functions generator-function introduction-to-programming list logical-expression methods oops pycharm pycharm-ide python python3 tuple workshop

Last synced: 08 Feb 2026

https://github.com/murtuzaalisurti/dsa-tweets

Daily learnings of DSA with Kunal on twitter. Inspired by Kunal Kushwaha!

algorithms data-structures dsa tweets twitter

Last synced: 19 Mar 2026

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

My https://leetcode.com/ solutions. (WIP)

algorithms cplusplus data-structures golang python3

Last synced: 10 Feb 2026

https://github.com/komdosh/crackingthecodinginterview

Implementation of Algorithms and Data Structures from Cracking the Coding Interview

algorithms data-structures interview

Last synced: 10 Feb 2026

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

Data Structures and Algorithms implemented in C++ for learning and practice. Covers fundamental concepts like linked lists, stacks, queues, trees, sorting, and searching

algorithms algorithms-and-data-structures data-structures dsa-practice dsa-with-c-plus-plus

Last synced: 11 Feb 2026

https://github.com/suhas-h-c/shared-services

Shared services serves as a ready made solutions to most of the code snippets required for back-end services development in spring boot.

csv data-structures docker excel gherkin java17 ocr pdf spring spring-boot

Last synced: 27 Feb 2026

https://github.com/ailynux/dsa-lab

This is a data structures and algorithms (DSA) cheatsheet.

algorithms algorithms-and-data-structures cheatsheet data-structures dsa dsa-practice

Last synced: 12 Feb 2026

https://github.com/miroslav-reiter/algoritmy_a_datove_struktury

🤖 Algoritmy a Dátové Štruktúry - Zoznam, popis a implementácia najpoužívanejších algoritmov na hľadanie, triedenie, grafy, prácu s poliami v rôznych programovacích jazykoch (Python, Java, C/C++, VBA, C#, JavaScript, PHP)

algorithms algoritmy archicture architecture-components data-structures reiter vita

Last synced: 19 Mar 2026

https://github.com/davanesh/traffic-management-system-with-graph-visualization-using-javafx

A Java-based project that visualizes a traffic management system using graph structures and JavaFX. It demonstrates node and edge representation for traffic flow between locations, providing an interactive and visual approach to understanding connectivity.

data-structures dijkstra-algorithm graph-algorithms graph-visualization gui-development hashmap interactive-visualizations java javafx network-simulation oops-in-java pathfinder shortest-path-algorithm traffic-control traffic-management weighted-graphs

Last synced: 12 Feb 2026

https://github.com/kevjose/devnotes

notes from the journey of a software engineer 🤗

algotithms data-structures git-notes javascript terraform

Last synced: 14 Feb 2026

https://github.com/techy4shri/kmp-intrusion-detection-system

This IDS focuses on detecting intrusion attempts by matching patterns in network data (such as suspicious strings in payloads or requests). It integrates the Knuth-Morris-Pratt (KMP) string-search algorithm for efficient pattern matching while also using auxiliary methods such as hashing and tries for indexing or rule-based detection.

cpp11 cybersecurity-tools data-structures intrusion-detection-system kmp-algorithm multithreading python-3 string-matching

Last synced: 15 Feb 2026

https://github.com/vvaldesc/ballsortpuzzle_web

Ball Sorting based game made with Java Script, CSS and HTML:5

audio callback-functions data-structures documentfragment eventlistener game html5 javascript

Last synced: 01 Mar 2026

https://github.com/thomasthaddeus/algorithmselector

Explore our extensive Algorithms Repository, featuring a diverse range of algorithms from computational methods to data structures, cryptographic techniques, and AI. Ideal for education, research, and practical application, each algorithm is well-documented, tested, and optimized for performance and readability.

ai algorithms computational-algorithms computer-science cryptography data-compression data-structures educational-resource game-theory graph-theory machine-learning network-flow open-source optimization python

Last synced: 01 Mar 2026

https://github.com/amartya00/thesoup

A collection of useful classes and functions in Python.

algorithms data-structures graphs python3

Last synced: 27 Mar 2026

https://github.com/ahmedabougabal/myleetcodeanswers

Documenting my LeetCode solutions in C++ / Python / JavaScript since my time at the ITI till now

algorithms complexity cpp data-structures dynamic-programming javascript oop problem-solving python

Last synced: 05 Mar 2026

https://github.com/nejcm/js-algorithms

JavaScript implementation and examples of many popular algorithms, data structures and other programming problems.

algorithms data-structures javascript javascript-algorithms js programming-problems

Last synced: 05 Mar 2026

https://github.com/parsalotfy/datastructuresandalgorithms

An Object-Oriented and Generic implementation of data structures.

algorithms csharp data-structures generic graph-theory object-oriented

Last synced: 05 Mar 2026

https://github.com/eldarlrd/js-data-structures

Manual and Explorable JS Data Structures for TOP.

data-structures nodejs odin-project

Last synced: 05 Feb 2026

https://github.com/alexforster/deque

A simple fixed-size deque implementation in C.

c data-structures deque

Last synced: 25 Oct 2025

https://github.com/ryomendev/dsa

This repository is dedicated to learning and practicing Data Structures and Algorithms (DSA). It contains solutions to various problems, ranging from basic to advanced topics, helping enhance problem-solving skills and understanding core DSA concepts through hands-on coding.

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

Last synced: 26 Oct 2025

https://github.com/hqarroum/binary-search-tree

🌳 A set of idiomatic implementations of a binary-search tree in multiple languages.

algorithms-and-data-structures binary-search-tree bst-tree c cpp17 data-structures python tree-structure

Last synced: 02 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/amrdb/data-structures-cs61b

Labs & Projects for UC Berkeley's data structures course (CS61B).

data-structures

Last synced: 23 Oct 2025

https://github.com/massigy/c-hash-tables

This C project implments a Hash Table data structure.

c cprogramming data-structures gcc git github hashtable linked-list makefile

Last synced: 19 Oct 2025

https://github.com/amazingandyyy/good-job

🎉 The most useful DS and Algor. implemented in javascript

algorithm computer-science data-structures interview interview-questions software-engineer

Last synced: 19 Oct 2025

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/mollycarroll/data-structures-algos-masterclass

All code practice for the Udemy course JavaScript Algorithms and Data Structures Masterclass

algorithms algorithms-and-data-structures data-structures javascript

Last synced: 20 Oct 2025

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/nouranhaitham/ds_guide_me

An application designed to help travelers navigate a country efficiently while staying within budget.

academic-project algotithms bfs-algorithm budget-travel cplusplus css data-structures dfs-algorithm graph gui guide-me qt route-planning software-development traveltech

Last synced: 31 Jan 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/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/sun-lab-nbb/ataraxis-data-structures

A Python library that provides classes and structures for storing, manipulating, and sharing data between Python processes.

ataraxis data-logging data-manipulation data-structures shared-memory

Last synced: 19 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/skytreader/pydagogical

Implementations of textbook data structures

algorithms data-structures python

Last synced: 01 Feb 2026

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