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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/xingbofeng/data-structure

重新学一遍清华版《数据结构》

cpp data-structures

Last synced: 09 Oct 2025

https://github.com/dicrtarasov/yii2-json

Утилиты Json для Yii2 (JsonEntity)

data-structures dicr entity json json-yii2 php yii2

Last synced: 09 May 2026

https://github.com/praisetompane/algorithms_and_data_structures

A toy implementation of foundational data structures and algorithms at a lower level of the stack.

algorithms c data-structures

Last synced: 10 Oct 2025

https://github.com/abdurrehman7452/route-optimization-for-event-logistics

A Data Structures and Algorithms C++ project in which a logistics team needs to understand the shortest distance to reach the destination keeping in view the constraints.

bfs-algorithm cplusplus cpp data-structures dsa graphs-algorithms queues-ds

Last synced: 03 Jan 2026

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/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/askeladdk/toolbox

Useful algorithms and data structures for Go.

algorithms data-structures go golang

Last synced: 14 Jan 2026

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/yoshiohasegawa/python-data-structures

A Python package that contains common data structures and algorithms, available on PyPi.

data-structures heap linked-list python queue stack tree

Last synced: 11 Oct 2025

https://github.com/lmbarros/dump

DUMP: Dump of Unsorted Morsels for Programmers

algorithms data-structures reference

Last synced: 21 Feb 2026

https://github.com/tanmayvaij/pattern-printing

Some important pattern printing questions asked in interviews

algorithms cpp data-structures forloops patterns

Last synced: 15 Mar 2025

https://github.com/soodaayush/cs50x-2024

A collection of all my CS50x 2024 Problem Set solutions.

ai algorithms c data-structures flask html-css-javascript python scratch sql

Last synced: 11 May 2026

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/charon25/javabasicdatastructures

Recreating data strucures in Java for learning purposes

data-structures java

Last synced: 16 Jan 2026

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/victorowinoke/data-science-challenge--dap-eldohub

This is my solution for the EldoHub DAP data science challenge

challenges-solved data-science data-structures interview-questions python

Last synced: 11 Apr 2026

https://github.com/imtiaz-emu/datastructurewithpython

Implementation of Data Structures using PYTHON 3.

bst data-structures heap linked-list

Last synced: 15 Mar 2025

https://github.com/haseeeb21/queue-in-python

Creating class of Queue, which contains functions of queue implementation, by importing deque library.

class data-structures dequeue enqueue googlecolaboratory python python3 queue

Last synced: 12 Oct 2025

https://github.com/taeguk/data-structure

Implementation of various data structures

data-structures study

Last synced: 12 Oct 2025

https://github.com/poorvajasathasivam/python-data-structures-and-algorithms

This repository is designed to help beginners and newcomers learn Python programming, object-oriented design, and essential data structures and algorithms. The content is organized to provide a clear and structured learning path.

algorithms algorithms-and-data-structures data-structures python

Last synced: 30 Jun 2025

https://github.com/barrenszeppelin/pmmap

Go implemenation of Persistent Mergeable Hash Maps

data-structures go hashmap immutable tree

Last synced: 01 Sep 2025

https://github.com/yangboz/dapps-simple-twitter-nebulas

a simple twitter SinglePageApplication for nebulas dapps incentive program.

blockchain bootstrap dapps data-structures jquery nebulas single-page-applications smart-contracts

Last synced: 11 Apr 2026

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/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/iamklevy/datastructures-algorithms-problem-solving-

Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)

algorithms data-structures interview-questions leetcode

Last synced: 15 May 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/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/kamilkrauze/stackvector

A cache-coherent stack allocated templated vector.

cache-coherence cmake cpp data-structures

Last synced: 14 Oct 2025

https://github.com/theronwolcott/data-structure-binary-patricia-trie-main

Binary Patricia Trie for efficient binary string storage and management. Features include insertion, deletion, search, in-order traversal, longest string retrieval, and size tracking with a compressed, memory-efficient node structure.

data-structures java tries

Last synced: 14 Oct 2025

https://github.com/bosley/ak24

Lightweight C application kernel providing core data structures (lists, maps, buffers), memory management, and optional Boehm GC integration for building robust applications.

application-framework boehm-gc c closures concurrency data-structures garbage-collection memory-management string-intern

Last synced: 21 Feb 2026

https://github.com/grenzlinie/computer-science-learning-route-for-myself

记录计算机学习路线 / Record the learning Route of Computer Science

code computer data-structures deep-learning front-end-development machine-learning

Last synced: 26 May 2026

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

Notes from Data Structure & Algorithm tutorials.

algorithms data-structures

Last synced: 27 Jan 2026

https://github.com/zeionara/algorythms_and_data_structures

Labs for 'algorythms and data structures' discipline

algorythm data-structures

Last synced: 23 Jun 2026

https://github.com/vladifish/labex3

Where LabEx3 would be placed

data-structures

Last synced: 30 Jun 2025

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/singharyan1007/javadsa

The repository is collection of all the problems discussed in JAVA-DSA-Bootcamp by Kunal Kushwaha.

algorithms data-structures dsa faang-preparation java

Last synced: 15 Oct 2025

https://github.com/raadiah/dsa-using-go

Implementing the most used data structures and algorithms using Go.

algorithms algorithms-and-data-structures data-structures golang

Last synced: 15 Mar 2025

https://github.com/davidyslu/onlinejudgepku

Personal submissions on PKU Online Judge (北京大學程式解題系統)

algorithms cpp data-structures

Last synced: 01 Sep 2025

https://github.com/nickzs8/binarysearchtree

Implementation of a binary search tree in java.

binary-search-tree data-structures java

Last synced: 01 Sep 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/koehlma/sharedvec-rs

A fast but limited ordered collection for storing values of a single type.

data-structures rust

Last synced: 17 Oct 2025

https://github.com/lesiaukr/algorithm_data_structures

Master's | Base Algorithms & Data Structures | Lectures

algorithms data-structures searching-algorithms sorting-algorithm

Last synced: 22 Sep 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/mhmdsami/dsa

Data Structures and Algorithms

algorithms data-structures

Last synced: 04 Jan 2026

https://github.com/clementkim/data-structure

아주대학교 자료구조 과제 코드

c-language data-structures implementation

Last synced: 29 Jul 2025

https://github.com/usk2003/vnrvjiet-lab-work

This repository contains my lab work for the B.Tech CSE-AIML program (2022-2026) under the R22 regulation at VNR Vignana Jyothi Institute of Engineering and Technology. It includes various subjects like Machine Learning, OS, Data Structures, C Programming, and more, showcasing my practical learning and implementations.

c-programming compiler-design computer-networks data-engineering data-structures data-visualization dbms engineering-drawing java machine-learning operating-system python software-engineering

Last synced: 11 Apr 2026

https://github.com/saragarcia6123/expression_evaluator

A calculator-style mathematical expression evaluator that parses and computes results from user input strings.

algorithms data-structures parsing

Last synced: 18 Jun 2025

https://github.com/oatw/algorithm

Example implementations of data structures and algorithms in Ruby for learning.

algorithms data-structures ruby

Last synced: 29 Jul 2025

https://github.com/ishivanshgoel/swiggy-system-design

Minimalistic Software Design of a food ordering Company.

data-structures hashmap linked-list queue stl

Last synced: 26 May 2026

https://github.com/bp7968h/rust_dsa

Data Structure and Algorithm written in Rust

algorithms data-structures rust rust-lang search-algorithm sorting-algorithms

Last synced: 04 Jun 2026

https://github.com/tomboddaert/zig_structures

An implementation of some data structures used to help me learn Zig

data-structures zig

Last synced: 20 Oct 2025

https://github.com/codewith-ark/dsa-notes

This is essentially my digital notebook for Data Structure and Algorithms

data-structures data-structures-and-algorithms datastructures-algorithms

Last synced: 27 Jan 2026

https://github.com/sureshsundriyal/bloomfilter-python

A simplistic bloomfilter implementation in pure python.

bloomfilter bloomfilter-python data-structures python python3

Last synced: 23 Mar 2025

https://github.com/peter-lyons-kehl/produce

Productivity data Structures, Algorithms and :children_crossing: examples in :coffee: Java 8

algorithm algorithms algorithms-and-data-structures algorithms-datastructures data-structures datastructures java java-8

Last synced: 01 Jun 2026

https://github.com/gulsum135/circular-doubly-linked-list

C konsol uygulaması: Rastgele indekslerle çift yönlü dairesel bağlı listede işlemler.

c-programming-language circular-list console-application data-structures linked-list

Last synced: 23 Jun 2026

https://github.com/josegpt/fundamentals

Fundamental Data Structures and Algorithms.

algorithms c data-structures dynamic-programming makefile sort trees

Last synced: 29 Jun 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/rieljasperapos/data-structures-and-algorithms

A collection of my practice codes for Data Structures and Algorithms (DSA) topics from my university.

c data-structures

Last synced: 23 Oct 2025

https://github.com/momattar/parse-tree

Data structure project

data-structures parse-tree

Last synced: 24 Oct 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/vincentlaucsb/algorithms-sedgewick-wayne

My personal collection of notes, drawings, and code created while reading Algorithms (Fourth Edition) by Robert Sedgewick and Kevin Wayne.

algorithms data-structures java sedgewick

Last synced: 15 May 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/tamschi/pinus

A prickly BTreeMap.

data-structures hacktoberfest pinning rust

Last synced: 23 Mar 2025

https://github.com/a920604a/leetcode

leetcode to record

algorithms data-structures

Last synced: 12 May 2026

https://github.com/networkflux/ft_containers

Let’s re-implement the standard C++ containers

algorithms complexity containers cpp data-structures

Last synced: 20 Jul 2025

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-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/jeongju9216/datastructure

Swift 자료구조

data-structures

Last synced: 26 Oct 2025

https://github.com/rylei-m/cs2420_2024_auditing_notes

Auditing Data Strucutures and Algorithms for Review and Teaching Evaluation

algorithms algorithms-and-data-structures binary-search-tree data-structures tree-structure

Last synced: 23 Jun 2026

https://github.com/maks28atish03kumar04sahu01/java-game-series

Game Hub: Puzzles & Play is a diverse digital playground with captivating classics like Snake-fruit, tic-tac-toe, bricks breaker, pong, and Tetris. Developed with precision and accessible across devices using Java it offers seamless gaming enjoyment for all.

awt-gui bricksbreaker-game data-structures game-development game-logic java-8 pong-game problem-solving snake-fruit-game swing-gui tetris-game tic-tac-toe-game

Last synced: 13 Jun 2026

https://github.com/sdc224/tree

Programs on Tree Data Structure in C

c cpp data-structures

Last synced: 12 May 2026

https://github.com/musheer7/java-enterprise-banking-system

Enterprise-style Core Java banking application using Java 8, OOPS, multithreading, DSA, design patterns, and financial mathematics.

banking-applications core-java data-structures design-patterns java java8 multithreading oops-in-java

Last synced: 26 May 2026

https://github.com/wesgtox/data-structure-ii

College "Data Structure II" exercises.

algorithms c cpp data-structures hash-table tree-structure

Last synced: 13 May 2026

https://github.com/anas436/data-structure-and-algorithm

Here, work has been done on the basic operations of Data Structure and Algorithm. If these operations are practiced, your basic skills will be strong. Here is used the C and Python programming language. Also, the PyCharm IDE and CodeBlocks are used as compilers.

algorithms c codeblocks data-structures pycharm python

Last synced: 13 May 2026

https://github.com/ibchgenomic/datastructure-algorithms

my approach of solving the leetcode, interviewcode and other questions

data-structures python-3

Last synced: 30 Mar 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