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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/ewliang/javascript-algorithms

Contains a list of common CS algorithms, but implemented using mostly plain old Vanilla JavaScript

algorithms computer-science data-structures javascript search-algorithms sorting-algorithms

Last synced: 24 Jul 2025

https://github.com/ashwinraikar88/odsa

Orchard Algorithms and Data Structures

algorithms data-structures python3

Last synced: 23 Oct 2025

https://github.com/jaimayal/datastructures-algorithms-exercises

List of solved DSA (Leetcode) problems. Implemented in multiple languages (TypeScript, Java, Python). Problems are classified by category. Big O complexity analysis inside each problem's notes.

algorithm algorithms data-structures dsa leetcode leetcode-solutions

Last synced: 23 Oct 2025

https://github.com/nopetimizer/buckets

Buckets is a Go package that provides implementations of various data structures commonly used in computer science and software development.

data-structures go wip

Last synced: 22 Jun 2026

https://github.com/itsmunim/python-playground

Where all the python trash ends up

algorithm data-structures python

Last synced: 14 Mar 2025

https://github.com/kalwar/snake-game

a very basic snake game using queue DS on the web

data-structures javascript queue snake-game

Last synced: 25 May 2026

https://github.com/bearlike/practising-dsa

I practise general Programming, Data Structures and Algorithms here.

data-structures practice-programming

Last synced: 22 Jun 2026

https://github.com/shreyapramanik47/tcs-nqt-coding-sheet

This repository contains solutions to common TCS NQT coding problems, covering arrays, strings, sorting, and number systems in C++.

arrays cpp data-structures dsa numbers numbersystem strings tcs tcsnqt

Last synced: 01 Jun 2026

https://github.com/data-mechanics/geoql

Library for performing queries and transformations on GeoJSON data (with emphasis on support for abstract graph representations).

data-science data-structures geographic-data geojson geojson-library

Last synced: 04 Apr 2026

https://github.com/mupinnn/dsa

Repo for learning data structures and algorithms, also to understand more about the programming language which I often use or that I'm currently learning.

algorithms data-structures

Last synced: 24 Oct 2025

https://github.com/odhithsen/data-structures-java

🧑‍💻 Java implementations of various data structures and their associated operations.

data-structures java

Last synced: 24 Oct 2025

https://github.com/nanafox/binary_trees

A project on the Binary Tree Data Structure.

alx-curriculum binary-search-tree binary-tree c-programming data-structures dsa

Last synced: 06 Nov 2025

https://github.com/clearxs/go-algorithms-and-data-structures

go implementation algorithms and data-structurs

algorithms data-structures go leetcode

Last synced: 20 May 2026

https://github.com/jeanbou/tech-interview-questions

A good collection of real-world coding interview problems, algorithm challenges & technical questions solved during application processes or its preparation for top tech companies. Includes multiple solutions for firms like Meta (Facebook), Goldman Sachs, Rakuten, Barclays, Line, Lifeware, Odoo, SES, Talkwalker & etc. Perfect for tech interview

algorithms code coding-challenges data-structures faang interview-preparation leetcode love tech-interviews

Last synced: 03 Feb 2026

https://github.com/ranimeshehata/shortest-paths-algorithms

A program implementing the three shortest paths algorithms for directed weighted graphs which are Dijkstra, Bellman-Ford and Floyd-Warshall.

algorithms bellman-ford-algorithm data-structures dijkstra-algorithm floyd-warshall-algorithm graphs java junit-test shortest-path-algorithm

Last synced: 25 Oct 2025

https://github.com/yogain123/linked-list-api

Create a REST API app which exposes API endpoints , for carrying out Linked List operations.

algorithms data-structures javascript linked-list redis

Last synced: 17 May 2026

https://github.com/navneethg/poppy

Battle tested algorithms and data-structures for your next space-mission or casual reading.

algorithms data-structures library python

Last synced: 10 Apr 2026

https://github.com/j0a0m4/ds-algo

Study repository for Data Structures & Algorithms Course

algorithms data-structures python

Last synced: 26 Apr 2026

https://github.com/hamidhosen42/stl-standard-template-library

STL-Standard-Template-Library. All STL Code with problem solving

algorithm c-plus-plus data-structures leetcode online-judge problem-solving stl

Last synced: 15 Mar 2026

https://github.com/gustavodiasag/graph-repr

Algorithms and Data Structures related to the representation and manipulation of graphs

data-structures graph-algorithms graph-theory

Last synced: 25 Oct 2025

https://github.com/jungaretti/advent-of-code-2020

Solutions to problems from the merriest coding challenge on the Internet

advent-of-code algorithms data-structures

Last synced: 25 Oct 2025

https://github.com/jungaretti/advent-of-code-2022

Solutions for Advent of Code 2022 in a few languages

advent-of-code algorithms data-structures

Last synced: 25 Oct 2025

https://github.com/jungaretti/advent-of-code-2021

Solutions to Advent of Code challenges written in a bunch of languages

advent-of-code algorithms data-structures

Last synced: 25 Oct 2025

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

This repository contains implementations of certain data structures and the algorithms pertaining to them coded in C++

algorithms data-structures

Last synced: 09 May 2026

https://github.com/kevinknights29/dsa_in_cplusplus

This repo contains data structures and algorithms implemented in C++.

algorithms cplusplus data-structures

Last synced: 22 Mar 2025

https://github.com/williamfzc/planter

compile dict (json/yaml/toml/everything) to tree

data-structures dictionary json python tree tree-structure yaml

Last synced: 10 May 2026

https://github.com/jeongju9216/datastructure

Swift 자료구조

data-structures

Last synced: 26 Oct 2025

https://github.com/hareeshreddi/data-structures-assignments

My attempts for the Data Structures Lab Assignments (CS210 Course) at IIT Guwahati

algorithms algorithms-implemented bst data-structures queue sorting-algorithms stacks topological-sort trees

Last synced: 30 Jul 2025

https://github.com/syd-strzempko/practice-problems

python implementations of common algorithms, data structures, & coding problems

algorithms data-structures leetcode

Last synced: 26 Oct 2025

https://github.com/adithaker/datastructures_algos_c

👓(ONGOING) This repo will contain all ds and algorithms required for competitive programming in

algorithms c competitive-programming data-structures deque linked-list queue stack

Last synced: 28 Jun 2026

https://github.com/entropy-tamer/justcode

Compact binary encoder/decoder with space-efficient encoding scheme

binary binary-format bincode compact data-structures decoding encoding no-std rust serialization streaming varint

Last synced: 10 Apr 2026

https://github.com/kevinknights29/dsa_in_java

This repo contains data structures and algorithms implemented in Java.

algorithms data-structures java

Last synced: 22 Mar 2025

https://github.com/hernandemonteiro/data_science_and_algorithms

Data Science, Algorithms and Data Structure.

data-science data-structures python3

Last synced: 15 Apr 2026

https://github.com/fenilsonani/os-system

High-performance OS components with 99% faster algorithms, enterprise reliability, and L8 engineering quality. Features O(1) operations, thread safety, and production-ready implementations.

algorithms c99 concurrent-programming data-structures enterprise-software high-performance memory-management operating-systems performance-engineering systems-programming

Last synced: 31 Aug 2025

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

Some basic algorithms and data structures.

algorithms data-structures java

Last synced: 30 Aug 2025

https://github.com/mateusz-przybyla/personalbudget_structured

Final C++ application to manage your personal budget [structured]

cpp data-structures structured-programming xml

Last synced: 27 Oct 2025

https://github.com/jjfiv/csc212arraylists

CSC212 Array-Based List Implementations

array-list data-structures dynamic-array smith-csc212

Last synced: 30 Aug 2025

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

A Java library of important algorithms and data structures.

algorithms data-structures

Last synced: 28 Oct 2025

https://github.com/mezantrop/tsqlike

SQL-like interface to tabular structured data

csv data-processing data-structures json python sql-like table

Last synced: 24 Jan 2026

https://github.com/failpt/avl-csharp

Generic AVL tree implementation and testing in C#

avl avl-tree bst csharp data-structures generic generic-library self-balancing-trees

Last synced: 30 Aug 2025

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

LeetCode problem solutions in Rust.

algorithms data-structures dsa leetcode neetcode rust

Last synced: 24 Jan 2026

https://github.com/josugoar/labyrinth

Maze editor, generator and solver

algorithms data-structures

Last synced: 27 Aug 2025

https://github.com/sujaykundu777/javapro

Java Programs and Implementation of Data Structures and Algorithms

algorithms data-structures java java-8 programming

Last synced: 29 Jul 2025

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

Implementations in C++ of algorithms and data structures developed in the Data Structures course at Centro Universitário Barão de Mauá. Includes lists, stacks, queues, trees, graphs, hash tables, and sorting and searching algorithms.

academic-project algorithms algorithms-and-data-structures baraodemaua c computer-science cplusplus cpp data-structures graphs hash-table lists programming queues searching-algorithms stacks tree trees

Last synced: 24 May 2026

https://github.com/vikashpr/maang-interview-prep-100-dsa

Ace your MAANG+ interviews with this curated list of 100 essential DSA problems. From arrays to graphs, master every concept with detailed solutions and expert tips. Start your path to a top-tier tech job today!

algorithms coding-interviews computer-science data-structures data-structures-and-algorithms interview-preparation leetcode-solutions maang-interviews problem-solving software-engineering tech-interviews

Last synced: 16 Mar 2026

https://github.com/ovuiproduction/unix-file-system-simulation

This project simulates a Unix-like file system using an N-ary tree data structure, enabling efficient file and directory management. It supports essential operations like creation, deletion, traversal, and renaming while providing a command-line interface that mimics Unix shell commands for an intuitive user experience.

command-line-interface data-structures directory-management file-management file-system filesystem-simulation n-ary-tree shell-commands tree-structure unix-shell

Last synced: 10 May 2026

https://github.com/burakyilmaz321/data-structures

Data structure implementations

data-structures playground

Last synced: 11 May 2026

https://github.com/anshu10101/leetcode

Collection of my solved LeetCode DSA questions !

algorithms data-structures

Last synced: 25 Aug 2025

https://github.com/khaledsalshibani/cpp-nested-linked-lists

This repository was created as a college assignment. It includes detailed explanations for each file, class, and method used. The project implements nested linked lists for handling basic file operations.

cpp cpp-tutorials data-structures file-handling linked-list

Last synced: 24 Aug 2025

https://github.com/wilson0x4d/algs4net

A few fundamental algorithms implemented via C# using .NET Standard 2.0-compatible projects and language features.

algorithms data-structures netfx netstandard

Last synced: 06 Feb 2026

https://github.com/ivan-guerra/dsa

Classic data structures and algorithms implemented in C++

algorithms data-structures

Last synced: 24 Aug 2025

https://github.com/shibam120302/interviewinsight

This repository contains all the DSA (Data-Structures, Algorithms, 450 DSA by Love Babbar Bhaiya, FAANG Questions), Technical Subjects (OS + DBMS + SQL + CN + OOPs) Theory+Questions, FAANG Interview questions, and Miscellaneous Stuff (Programming MCQs, Puzzles, Aptitude, Reasoning). The Programming languages used for demonstration are C++, Python

algorithms backend cpp data-structures datascience deep-learning dsa front-end-development java language machine-learning placement-preparation project python roadmap web

Last synced: 11 May 2026

https://github.com/ikeraguero/javascript-course

This repo provides a place for uploading projects and concepts from Jonas Schmedtmann's 'The Complete JavaScript Course', focused on the essentials of vanilla JS and how it works below the surface.

apis data-structures dom-manipulation javascript oop

Last synced: 23 Aug 2025

https://github.com/abhinav9444/hackerrank

This repository serves as a personal collection and showcase of my coding skills, problem-solving techniques, and progression through various coding challenges on HackerRank. It is also intended to help others learn and understand different approaches to solving programming problems in various languages.

algorithms algorithms-and-data-structures c data-structures hackerrank hackerrank-solutions programming python python3 ruby

Last synced: 11 May 2026

https://github.com/xiaohan2012/pyheap

binary heap implementation in Python

data-structures heap priority-queue

Last synced: 23 Aug 2025

https://github.com/leoobarbosa2/data-sctructures

General information about Data Structures and how to implement it.

data-structures data-structures-and-algorithms

Last synced: 22 Aug 2025

https://github.com/morfly/affinity

A collection of algorithms and data structures written in your favorite programming language.

algorithms bazel data-structures java kotlin python swift

Last synced: 10 Apr 2026

https://github.com/kartheekcic/hackerrank_solutions

This repository contains the solution to a bunch of hackerrank problems that I have solved.

algorithms data-structures programming

Last synced: 22 Sep 2025

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

Implementation of data structures and algorithms in different programming languages.

data-structures python python3 queue stack

Last synced: 11 May 2026

https://github.com/snhilde/dsa

Data Structures and Algorithms

algorithms data-structures golang

Last synced: 09 Mar 2026

https://github.com/tyra9/diagram-collection

写博客过程中制作的所有图例、图解，都放在这个仓库（支持.drawio）。

computer-networks data-structures database java javaweb mysql operating-system spring springboot

Last synced: 25 Feb 2026

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

:see_no_evil: Python's defaultdict data structure for JavaScript

agpl collections data-structures default defaultdict dict javascript

Last synced: 21 Aug 2025

https://github.com/lross2k/practice-in-c89

Simple implementations made in C to practice different concepts

algorithms c c89 data-structures

Last synced: 01 Feb 2026

https://github.com/jagoda11/cs50-problem-set-3

CS50-Problem-set-3 🚀 explores algorithms 🧠, focusing on more advanced concepts in computer science 💻. This set includes challenges 🧩 that require the implementation and understanding of sorting 🔢 and searching 🔍 algorithms, enhancing efficiency ⚡, and understanding algorithmic complexity 🤔

algorithms computational cs50 cs50problemsets data-structures problem-solving searching sorting

Last synced: 28 Jul 2025

https://github.com/ofadiman/grinding-leetcode

Repository contains solutions to leetcode problems.

algorithms data-structures golang leetcode sql typescript

Last synced: 18 Apr 2026

https://github.com/nicovandenhooff/advent-of-code-2022

This repository contains my solutions to the Advent of Code 2022 coding challenge.

advent-of-code advent-of-code-2022 algorithms data-structures optimization python

Last synced: 21 Aug 2025

https://github.com/jordanhasgul/character-device-driver

A basic concurrent Linux loadable kernel module (LKM) character device driver.

c data-structures kernel-module

Last synced: 20 Aug 2025

https://github.com/youssefashourrr/supermarket-manager

A supermarket management system developed in C++ with Qt5 widgets for the graphical interface, created as our CS213 course project during the first semester of sophomore year.

college-project cplusplus data-structures inventory-management qt5

Last synced: 07 Feb 2026

https://github.com/canciolabs/php-stack

This tiny package contains an interface and an array-based implementation of the LIFO Stack data structure.

data-structures php stack

Last synced: 26 Feb 2026

https://github.com/gdiasag/graph-repr

Algorithms and Data Structures related to the representation and manipulation of graphs

data-structures graph-algorithms graph-theory

Last synced: 22 Jun 2026

https://github.com/athulsabu2002/s3_ds_lab

Data Structures and Algorithms lab programs for S3 CSE B.Tech. Comprehensive implementation of sorting algorithms, linear/non-linear data structures, graph algorithms, and mathematical applications in C.

data-structures ktu lab s3

Last synced: 20 Aug 2025

https://github.com/fabiokleis/estrutura_de_dados1

estrutura de dados 1 , linguagem C!

data-structures

Last synced: 20 Aug 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 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