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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/radmitr/data-structures-and-algorithms

Data structures and algorithms by Olexandr Tsymbaliuk. Not finished.

algorithms data-structures

Last synced: 16 Mar 2025

https://github.com/inspirate789/alloc

Memory manager for go based on memory arenas

algorithms bench data-structures go golang memory memory-management rese research-paper

Last synced: 17 Mar 2025

https://github.com/haidermalikk/cs_notes

My CS notes. Include Topics Like: Data structures, Algorithims, OOP, Syntax for various languages, etc.

algorithms algorithms-and-data-structures begginer-friendly csnote csnotes data-structures explanation python

Last synced: 09 Apr 2025

https://github.com/reity/are

Library for defining and working with abstract regular expressions that support strings/sequences with elements of any symbol type, with an emphasis on supporting scenarios in which it is necessary to work with regular expressions as abstract mathematical objects.

data-structures python python-library re-to-nfa regular-expressions regular-languages theory-of-computation

Last synced: 13 Sep 2025

https://github.com/asiimwedismas/java_data_structures

Implementation of a few data structures written in Java, complete with tests.

data-structures java

Last synced: 29 Mar 2025

https://github.com/mohitbansal964/binary-tree

Binary Tree Insertion, Traversal and display in vertical and horizontal format

binary-trees cpp data-structures

Last synced: 30 May 2026

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

:signal_strength: Python's ordereddict data structure for JavaScript

agpl collections data-structures dict javascript ordered ordereddict

Last synced: 18 Sep 2025

https://github.com/hendrialqori/dsa-javascript

Learn algorithm and data structure in Javascript

algorithm data-structures javascipt

Last synced: 31 Mar 2025

https://github.com/tigran-sargsyan-w/push_swap

This project will make you sort data on a stack, with a limited set of instructions, using the lowest possible number of actions. To succeed you’ll have to manipulate various types of algorithms and choose the most appropriate solution (out of many) for an optimized data sorting.

42 42school algorithm bonus c challenge data-structures mandatory operations optimization push sorting stack swap

Last synced: 29 May 2026

https://github.com/snandasena/cf-contests

Competitive programming challenges and their solutions for Codefocers, Hackerrank, and Leetcode.

algorithms bst cpp data-structures dp graph greedy-algorithms math

Last synced: 05 Oct 2025

https://github.com/josephgoksu/ceng202-datastructures

Yildirim Beyazit University CENG 202 Data Structures LAB Notes 2016

algorithm algorithms data-structures java

Last synced: 31 Jul 2025

https://github.com/kalyan4636/interview-coding-practice-questions

PYTHON AND JAVA CODING SNIPPETS, TECHNICAL INTERVIEW QUESTIONS AND PRACTICE CODE.

angular corejava cpp css data-structures django framework html java javascript mongodb python sql

Last synced: 11 Apr 2026

https://github.com/grainme/cs50x_2022

Bunch of CS problems

c cs data-structures flask memory python

Last synced: 13 Apr 2026

https://github.com/awais-124/stack-expression-converter

Expressions Converter. Third semester project using data structures concept.

cpp data-structures expression-converter-application programming stack

Last synced: 07 Apr 2025

https://github.com/denizkarya1999/dsa_practice_with_x27

Practice Data Structures and Algorithms for better software engineering

algorithms coding-interviews computer-science data-structures self-practice

Last synced: 02 Sep 2025

https://github.com/rishabh96b/simple-coding-solutions

Here you can find the code for simple programs. This is for beginners who can take reference from these solutions.

coding data-structures python

Last synced: 25 Mar 2025

https://github.com/abrarulhassan-786/phone-book

Hello, This project is a Phone book system Project, I have made using only python and use the concept of Data Structure. It's simple and you can download or copy code easily.

algorithms data-structures programming-language project python

Last synced: 17 Mar 2025

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

All data stucture and algorthms I practiceare below here

cplusplus data-structures dsa dsa-algorithm dsa-practice

Last synced: 06 Sep 2025

https://github.com/jenniferplusplus/interview-algorithms

A collection of solutions to algorithm or data structure based programming challenges I've been given during interviews recently.

algorithm-challenges algorithms algorithms-and-data-structures data-structures interview interview-practice interview-preparation interview-questions

Last synced: 18 Nov 2025

https://github.com/devdrops/spl-data-structures

Material usado na talk do PHP Community Summit 2018.

data-structures php spl

Last synced: 14 Jun 2025

https://github.com/gunksd/data-structure-course-design

用C语言写的数据结构课程设计作业（2024.2.22）

c data-structures

Last synced: 22 Aug 2025

https://github.com/pedroth/nabla.js

Mathematical & Computer Science reference implementation, of various algorithms and concepts.

algorithms computer-science data-structures mathematics

Last synced: 21 Feb 2026

https://github.com/mihirh19/python

a repository for collaborative development and version control using Git that houses Python code files, documentation, tests, and other project-related files.

algorithms data-structures django fastapi flask machine-learning numpy pandas python

Last synced: 11 Apr 2026

https://github.com/ashok-arjun/facebook-clone

Data Structures mini package to simulate the organization of users in facebook network. Includes the implementation of various data structures including Graph, Trie, Queue and Stack.

data-structures facebook-network graph linked-list list queue queues stack stacks

Last synced: 25 Mar 2025

https://github.com/iagodahlem/practice

:books: My daily plan for practicing programming languages.

algorithms c data-structures javascript python ruby

Last synced: 12 Apr 2026

https://github.com/richiepagard/python-algorithm

Write some algorithms with Python. I'm trying to write the best way that I can.

algorithms data-structures implement leetcode pytest python3 two-pointers

Last synced: 18 Jan 2026

https://github.com/vs4vijay/data-structures-and-algorithms

Data Structures and Algorithms problems and solutions in Ruby

data-structures datastructures dsa ruby

Last synced: 27 Feb 2025

https://github.com/imdanielsp/dstructs-swift

A Swift's data structures and algorithms library. The purpose of this repository is to practice the Swift programming language and data structure in general.

algorithms data-structures practice review swift

Last synced: 05 Jun 2026

https://github.com/martin-majlis/probstructs

Collection of probabilistic data structures - CM-Sketch, ECM-Sketch, exponential histogram in C++.

cpp data-structures probabilistic-programming streaming

Last synced: 09 Apr 2025

https://github.com/tarball0/data-structures-notes

Repo to help with Data Structures and Algorithms

algorithms data-structures

Last synced: 21 Feb 2026

https://github.com/rabi-siddique/sudoku-solver

A web application that allows you to solve a Sudoku puzzle using a backtracking algorithm. The goal of this application is to help you visualize how the backtracking algorithm works to solve the puzzle.

algorithms computer-science data-structures interview interview-questions programming

Last synced: 25 Mar 2025

https://github.com/tan45nadim/data-structures-algorithms

A Comprehensive Repository of Data Structures and Algorithms

algorithms data-structures dsa

Last synced: 19 Aug 2025

https://github.com/sidp919/competitive-programming

Created to improve python + competitive programming skills. This repository will include python programs and notes on Basics of Python, Data Structures and Algorithms with their implementations and explanations.

algorithms-and-data-structures competitive-programming data-structures python3

Last synced: 13 Jul 2025

https://github.com/valentinnsoare/structcraftlib

Java library with custom data structures made with customization benefits and performance in mind.

arraylist binary-search binary-search-tree data-structures design-patterns hashtable heap java library linked-list performance queue sorting-algorithms stack

Last synced: 23 Mar 2025

https://github.com/sumitkumargiri/data-structure-project-convert-an-array-to-a-doubly-linked-list

This repository contain all the best practices for managing Github repository.

data-structures datastructuresandalgorithm github project

Last synced: 12 Mar 2025

https://github.com/victoriacheng15/data-structures-and-algorithms

a repo contains my solutions included Jest testing for DSA problems from HackerRank, Leetcode, and Project Eular

algorithms algorithms-and-data-structures codesignal-solutions data-structures hackerrank-solutions javascript project-euler-solutions

Last synced: 29 Mar 2025

https://github.com/emahtab/problem-solving

Problem Solving questions

algorithms data-structures java

Last synced: 18 Mar 2025

https://github.com/rmodi6/minesweeper-game

The age-old annoying Minesweeper game on Windows implemented in Java using Java Swing tools.

data-structures java java-game java-swing java-swing-game minesweeper-game

Last synced: 29 Aug 2025

https://github.com/deepanshu-rawat6/java-dsa-prep

Experimenting with data structures and algorithms!

algorithms data-structures java

Last synced: 24 Apr 2025

https://github.com/addytrunks/data_structures

The codes for all the lab exercises for the course CS1006T Data Structures.

cpp data-structures

Last synced: 20 Aug 2025

https://github.com/henriquelimas/go-algorithm-design-manual

Codes in Go from Algorithm design manual Book

algorithms computer-science data-structures golang

Last synced: 02 Mar 2025

https://github.com/dy/multiscale-array

Multiscale representation of an array

array data-structures

Last synced: 06 Sep 2025

https://github.com/yangjiaxi/dsaa

Data Structure and Algorithm Analysis

algorithm c data-structures

Last synced: 11 Jul 2025

https://github.com/omkarshinde1711/leetcode

Cracking LeetCode puzzles one bug at a time — algorithms, data structures, and a bit of caffeine-fueled magic!

algorithms coding-challenges cpp data-structures github-actions interview-prep java leetcode problem-solving python

Last synced: 13 Apr 2026

https://github.com/yagocrispim/data_structures

A study about data structures

cpp data-structures

Last synced: 23 Mar 2025

https://github.com/kishore-devaraj/layman-js-snippets

A repo which contains simple snippets to describe important concepts in javascript world and also contains common data structure patterns implemented in js.

data-structures javascript nodejs reactjs redux

Last synced: 11 Apr 2026

https://github.com/limajpp/data-structures-exam

This repository contains my group's solution implementation for the final exam of the data structures course. It was designed by me, and my friend, Gabriel.

algorithms algorithms-and-data-structures binary-search-tree data-structures hashmap java linked-list

Last synced: 14 May 2025

https://github.com/lunaroyster/algolyze

A searchable database of algorithms

algorithm-pages algorithms data-structures information reference

Last synced: 13 Jun 2026

https://github.com/farhaduneci/contactbook

A simple contact book written with Python.

data-structures

Last synced: 01 Sep 2025

https://github.com/dronnix/bwarr

Black-White Array: fast, ordered data structure based on arrays with O(log N) memory allocations

btree btrees cache cache-friendly computer-science data-structure data-structures go golang ordered performance sorted-set

Last synced: 13 Jan 2026

https://github.com/ascii-dev/puava

A polyglot library of data structures & algorithms built from first principles. (C, C++, Java, Python, Rust, Go). Managed with Bazel.

algorithms bazel c cpp data-structures first-principles java monorepo python system-design

Last synced: 13 Apr 2026

https://github.com/peterpf/gomathlib

Go library with mathematical functions, data structures and other concepts

data-structures filters mathematics number-theory

Last synced: 04 Mar 2026

https://github.com/ahmed-roshdy-1/lab-3-assissment

it problem-solving using data structures and that when I in my second years in computer science college

c data-structures

Last synced: 02 Aug 2025

https://github.com/amrhossamdev/leetcode

Collection of leetcode questions that I solved - feel free to ask me at any time <3

algorithms data-structures interview-questions leetcode

Last synced: 15 Mar 2025

https://github.com/almmiko/rttd

Solutions for different technical problems.

algorithms data-structures leetcode

Last synced: 06 Jul 2025

https://github.com/abhijivani3001/dsa_in_c

This repository is of Data Structure in C language.

c data-structures

Last synced: 28 May 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/kibet-rotich/c-learning

A deep dive into C and C++ fundamentals, documenting my journey through K&R C, manual memory management, and custom data structures like BSTs.

binary-search-tree c cpp data-structures memory-management pointers

Last synced: 25 May 2026

https://github.com/yjhmelody/as-collections

Collections for assemblyscript

assemblyscript collections data-structures queue

Last synced: 08 Apr 2025

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/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/samarjit98/dsa_college

This is a compilation of many important data structures and their applications.

algorithms c cplusplus-11 data-structures java

Last synced: 17 Apr 2026

https://github.com/pzaino/gods

GoDS is just a Go Lang library of Datastructures I created for my own projects and to practice some generic programming in go

algorithms buffer circular-buffer data-structures doubly-linked-list go golang linked-list priority-queue queues stack

Last synced: 27 Jul 2025

https://github.com/ks1990cn/csharp-extensions

Extension for List, Dictionary, String, DateTime etc.

algorithms csharp data-structures dotnet-core extension extension-methods utility-library

Last synced: 17 Apr 2026

https://github.com/suhatanriverdi/full-time-interviews-preparation

This repository contains various competitive programming Algorithms and Data Structures questions and sample codes in the preparation process of full-time software engineering interviews.

algorithms data-structures interviews-preparation

Last synced: 14 Mar 2025

https://github.com/nkokor/Fibonacci-Heap

Python implementation of Fibonacci Heap

data-structures fibonacci-heap

Last synced: 25 Sep 2025

https://github.com/0x484558/fairqueue

Spatially distancing fair queue

data-structures fairness no-std queue round-robin stack

Last synced: 21 Feb 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/cdellacqua/channel.js

A simple yet powerful abstraction that enables communication between asynchronous tasks.

async data-structures

Last synced: 15 Mar 2025

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/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

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