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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/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/daniilalpha/vec

Plain C typesafe vector data structure.

c c11 c17 data-structures data-structures-c dynamic-array vector

Last synced: 26 Oct 2025

https://github.com/alicankaya192/cs_complete_terminology_guide

350+ essential CS terms across 26 chapters — ordered by learning sequence. Covers Algorithms, OS, Networks, Databases, Security, ML/AI, DevOps, Linux, Testing, Career & more. Available in 🇹🇷 Turkish and 🇬🇧 English.

algorithms artificial-intelligence bash cheatsheet cloud-computing computer-science cs-fundamentals cybersecurity data-structures deep-learning devops docker kubernetes linux llm networking open-source python software-engineering study-guide

Last synced: 21 Jun 2026

https://github.com/isaaczhang4/mathematical-expression-calculator

Two calculator programs, one evaluates infix expressions, the other evaluates a series of expressions which may include variables.

calculator data-structures parsing python shunting-yard-algorithm

Last synced: 22 Jun 2026

https://github.com/kalwar/snakegame

A very basic snake game using queue DS using JS/React

data-structures queue reactjs simple-app snake-game

Last synced: 10 May 2026

https://github.com/applicativesystem/python-datastructure

my approach of solving the leetcode, interviewcode and other questions

data-structures python-3

Last synced: 29 Jul 2025

https://github.com/jiko23/family-tree

Model out the Shan family tree so that when given a ‘name’ and a ‘relationship’ as an input, the output are the people that correspond to the relationship. Input needs to be read from a text file, and output should be printed to console. Program should execute and take the location to the test file as parameter.

backend data-structures python-3

Last synced: 26 Oct 2025

https://github.com/muntaha-islam0019/javaplayground

A collection of Java backend practice projects and coding exercises, exploring core OOP concepts, algorithms, data structures, and backend development patterns.

algorithms backend-development coding-practice data-structures intellij-idea java leetcode-solutions oop software-engineering system-design

Last synced: 22 Jun 2026

https://github.com/agrim123/algo-ds

Algorithms and Data Structures

algorithms computer-science data-structures

Last synced: 22 Jun 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/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/thecoder507/recommendation-software

"Pizza Radar: A practice project to locate pizzerias in Panama City by district. Using LinkedList data structures, it organizes districts and their pizzerias for efficient searches. Note: Some pizzeria data is fictional for testing purposes."

beginner beginner-project data-structures linkedlist panama-city practice-project python

Last synced: 20 Sep 2025

https://github.com/cryptography-research-lab/go-cycle-string

循环字符串数据结构（CycleString）

cryptography data-structures utils-library

Last synced: 12 Jan 2026

https://github.com/ahmedhosssam/dynamo-tree

C++ Backend server and API with React front-end client

avl-tree cpp cpprestsdk data-structures javascript react

Last synced: 15 Apr 2026

https://github.com/luisfernandovillalon/cs231-introdatastructures

A repository to showcase my coursework for my Introduction to Data Structures college course.

abstract-classes array data-structures exception-handling generics interfaces java javafx linkedlist queue recursion stack text-io

Last synced: 11 Mar 2025

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/jseg380/university

Repository with projects made for University subjects

ai computer-science cpp cs-degree data-structures java oop ruby

Last synced: 09 May 2026

https://github.com/farhantips/data_structures

This repository contains practical implementations and exercises related to the concepts taught in the course on Data Structures. It provides hands-on coding examples to help understand key concepts like arrays, linked lists, stacks, queues, trees, graphs, and more, fostering deeper learning through practical experimentation.

arrays bracu bracucse cse220 cse220lab data-structures graph linkedlist python queue stack tree

Last synced: 28 Jul 2025

https://github.com/alexaegis/avl

Flexible AVL Tree for TypeScript

avl avl-tree data-structures javascript node npm npm-package tree typescript

Last synced: 09 Apr 2026

https://github.com/wfvining/rangetree

Purely functional read-only range trees in Erlang

data-structures erlang erlang-library range-tree

Last synced: 30 Jan 2026

https://github.com/stevenschmatz/treegen

🎄 Fast and memory efficient unlabeled tree generation in Python

academic computer-science data-structures python theoretical-computer-science tree trees

Last synced: 31 Jan 2026

https://github.com/sanish07/java-dsa

This repository contains the coding problems solved in Java DSA.

data-structures dsa-practice java-8

Last synced: 27 Jul 2025

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/hariyebk/buble-sort

A generic sorting algorithm

data-structures linked-list sorting-algorithms

Last synced: 19 Sep 2025

https://github.com/lisba/sistema-de-control-de-cachorros

Control system for a puppy shelter

algorithms c data-structures

Last synced: 18 Jul 2025

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/csvitor-dev/clang-exercises

Data Structures Exercises with Clang

clang data-structures

Last synced: 27 Jul 2025

https://github.com/hamidhosen42/lightoj-problems-discussion-and-solutions

lightOj-problems-discussion-and-solutions-and-algorithm-and-data structures

algorithms c-plus-plus c-programming data-structures discussion lightoj-solutions

Last synced: 26 Jul 2025

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/ptrvsrg/nsu-homework-c

Домашние работы по дисциплине "Программирование" 1 курса ФИТ НГУ

algorithms c cmake data-structures github-actions intrinsics openmp

Last synced: 19 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/waseemofficial/dsa_python

Data Structures and Algorithms in Python

algorithms data-structures excalidraw python scripts yml yml-files

Last synced: 08 Feb 2026

https://github.com/greatdrake/hashmap

hash table implementation

cpp data-structures

Last synced: 26 Jul 2025

https://github.com/piratecoderz/dsa-final-project

University project for (DSA) using Java and MySQL. The Car Rental System features an Admin Panel for managing vehicles, customers, and rentals, Customer Portal for renting cars. DSA concepts like linked lists and queues and utilizes JDBC for database connectivity. A practical application of programming skills and database management.

algorithms data-structures data-structures-algorithms data-structures-and-algorithms dsa eclipse final final-project java java-8 mysql mysql-database mysql-workbench

Last synced: 22 Jun 2026

https://github.com/theolepage/algorithmics

Algorithmics course content during my studies at EPITA.

algorithmics computer-science data-structures ocaml python

Last synced: 15 Apr 2026

https://github.com/1ayanabil1/algorithms

Welcome to the Algorithms repository! 🚀 This repository is dedicated to documenting and sharing my journey through algorithm learning, with a special focus on the Grokking Algorithms book.

codewars codewars-solutions data-structures hackerrank hackerrank-solutions jupyter-notebook leetcode leetcode-python leetcode-solutions machine-learning prob python search-algorithm searching searching-algorithms

Last synced: 09 Feb 2026

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/ocdbytes/ds-algo-important-questions

Data Structures and Algorithms | LeetCode Solutions | Coding Ninjas Solutions | Love Babbar Playlist

algorithms cpp data-structures

Last synced: 26 Jul 2025

https://github.com/jayesh-tanna/coding-problem-solution

Data structures and algorithms - Hackerrank & geeksforgeeks solutions in c# and java

algortihms csharp data-structures geeksforgeeks-solutions hackerrank java

Last synced: 12 May 2026

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/rationalcrafter/avl_tree

Simple implementation of an AVL tree set data structure

algo c data-structures

Last synced: 26 Jul 2025

https://github.com/coledixon/sql

SQL projects and advanced scripting

data-structures database-schema sql ssms tsql

Last synced: 18 Mar 2026

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/bhavinpatel4199/artificial-intelligence--algorithm-and-mathematics

This repository focuses on AI with an emphasis on algorithms and mathematical foundations. It includes projects on data processing, fundamental AI algorithms, and mathematical concepts like linear algebra and optimization. Hands-on work with various frameworks provides practical model-building experience.

algorithms-and-data-structures data-structures data-visualization mathematic probability problem-solving python3 sklearn

Last synced: 11 Feb 2026

https://github.com/hectorip/inquiry

Elixir Library to extract a specific value from a nested data structure in a query-like style.

data-structures elixir elixir-library extract json querying-iterables

Last synced: 13 May 2026

https://github.com/mateus-claudino/ds-in-c

just having some fun learning data structures and implementing them in c. :)

algorithms c data-structures university-assignment

Last synced: 25 Jul 2025

https://github.com/jtd-117/ads_py

A collection of 'Algorithms & Data Structures' (ADS) implemented in the 'Python' programming language.

algorithms data-structures

Last synced: 25 Jul 2025

https://github.com/nullthefirst/fcc-cash-register

freeCodeCamp - Cash Register

algorithms data-structures

Last synced: 25 Jul 2025

https://github.com/bertrand31/haskell-experiments

👨🏻‍🔬 Experimenting with Haskell - mostly data structures and random algorithms

algorithms data-structures functional-programming haskell

Last synced: 21 Aug 2025

https://github.com/carlosagalicia/regex_to_dfa

Program to convert regular expressions into their corresponding NFA (Non-deterministic Finite Automaton) and subsequently into a DFA (Deterministic Finite Automaton).

data-structures nfa-to-dfa-conversion python regex

Last synced: 24 Jul 2025

https://github.com/naganandana-n/dsa-in-c

Data Structures & Algorithms coursework at BITS, Pilani.

algorithms c data-structures

Last synced: 24 Jul 2025

https://github.com/archihalder/dsa

This repository contains all the things required to be good at dsa

algorithms cpp data-structures gfg leetcode problem-solving

Last synced: 29 Mar 2025

https://github.com/kailash-sankar/dsa

Data Structures and Algorithm Puzzles

algorithms data-structures javascript perl python

Last synced: 13 Feb 2026

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

Data Structures and Algorithms in C++ for beginners | Learn the concepts of DSA with notes, implementations, C++ STL and important questions for practice

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

Last synced: 22 Mar 2025

https://github.com/hraverkar/apas_android_application_solution

APAS - Algorithm Problems and Solutions :

apas csharp-code data-structures

Last synced: 04 Nov 2025

https://github.com/mohamedwelteir/infix-to-postfix--expression-evaluator

This project is for converting mathematical expression from infix to postfix as well as evaluating the expression.

data-structures java

Last synced: 11 Jun 2026

https://github.com/dev88jerry/cs304

Bishop's University - CS304 Data Structures

bishops bu data data-structures python structure university

Last synced: 11 Jun 2026

https://github.com/adhaamehab/db-collection

My implementation for common algorithm and data structures used in modern database systems.

algorithms data-structures database-internals designing-data-intensive-applications

Last synced: 01 Mar 2026

https://github.com/mossykazemi/java

Data Structures & Algorithms using Java

algorithms array arrays data-structures hashtables java linkedlists queue stack

Last synced: 23 May 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: 13 May 2026

https://github.com/17xr/cppcontainers

A simple repository that contains my own implementations of various C++ containers.

containers cpp cpp23 cpp23-library data-structures

Last synced: 05 Apr 2025

https://github.com/kingcitaldo125/pytable

My implementation of a Hash Table(Hash Map) data structure

data-structures

Last synced: 14 May 2025

https://github.com/dishenmakwana/java-data-structures-and-algorithms

This repo contains the basic Data Structure and Algorithms programs in Java.

algorithms data-structures java

Last synced: 16 Apr 2026

https://github.com/danaelshrbiny10/ds-in-python

An implementation of a custom data structure in Python.

data-structures python3

Last synced: 12 Aug 2025

https://github.com/paolino/haskell-mts

Compact Sparse Merkle Tree implementation in Haskell with persistent storage and Merkle proofs

blockchain cryptography data-structures haskell merkle-tree rocksdb

Last synced: 05 Mar 2026

https://github.com/luisvalgoi/unisinos-algorithms

Unisinos Algorithms I had to create during the college

algorithms data-structures java sort

Last synced: 17 Apr 2026

https://github.com/kambojankit/javads

Implementation of various Data Structures & algorithms along with some interesting problem solving.

algorithms-and-data-structures algorithms-datastructures data-structures datastructures dynamic-programming java

Last synced: 23 Jul 2025

https://github.com/kingcitaldo125/pytrie

My implementation of a Trie(tree) data structure

data-structures

Last synced: 14 May 2025

https://github.com/jackjduggan/pcbanalyzer-ds2-ca1

A PCB (printed circuit board) analyzer built with JavaFX, capable of identifying and displaying information about the different components on a PCB from an image

data-structures java javafx

Last synced: 14 May 2026

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

Data structures in JS

data-structures javascript

Last synced: 14 May 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 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