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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/d-coder135/linear_data_structures_java

Implementation of my own version of codes for the linear data structures in Java Programming Language.

data-structures intellij-idea java linear-data-structures

Last synced: 19 Oct 2025

https://github.com/suvasish114/dsa

Data structure and algorithm related problems and codes

algorithm data-structures

Last synced: 07 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/skytreader/pydagogical

Implementations of textbook data structures

algorithms data-structures python

Last synced: 01 Feb 2026

https://github.com/mehdieidi/cmap

Concurrent multi-writable, multi-readable, and thread-safe hash table implemented using sharding technique.

concurrent data-structure data-structures go golang map parallel thread-safe

Last synced: 01 Feb 2026

https://github.com/d33p0st/modstore

Basic and Modded Data Structures with rust backend for speed and safety and python's comfortability.

custom-data-structures custom-data-type data-structures linux modstore python python3 rust unix windows

Last synced: 07 Feb 2026

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/lucasguiss/algorithms

Algorithms and data structures in Go

algorithm data-structures go

Last synced: 24 Oct 2025

https://github.com/thanhdatpb/leetcode

These are the exercises I did on the leetcode website to further improve my knowledge of algorithms, data queries and learn new programming languages.

algorithms data-structures java javascript mysql-database

Last synced: 08 Feb 2026

https://github.com/abhishekyadav-01/metro-navigator

This project implements a Metro Station Management System using advanced data structures in C++. The system efficiently manages metro lines and stations, supports real-time route planning, and calculates optimal ticket fares using pathfinding algorithms.

algorithms avl-tree-implementations cpp17 data-structures oops-in-cpp

Last synced: 08 Feb 2026

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

An efficient fixed capacity vector with pinned element guarantees.

data-structures pinned pinned-elements rust vector

Last synced: 17 Mar 2026

https://github.com/thomasafink/optimal_knn_distance_for_data_science

Plotting the Optimal Distance for Data Scientists in Python using the K-Nearest Neighbour K-NN Algorithm

data-science data-structures data-visualization k-nearest-neighbor knn knn-classification map mapping open-street-map osm osmnx python

Last synced: 24 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/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/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/leotian/data-structures-and-algorithms

一次刷好，终身受益

algorithms data-structures

Last synced: 09 Feb 2026

https://github.com/odilson-dev/hashmap

The Hashmap Project is an assignment from TOP's curriculum, where participants work on creating and implementing a hashmap data structure as part of their learning exercises.

data-structures hashmap ruby theodinproject

Last synced: 24 Oct 2025

https://github.com/praveenraam/dailycodingnote

A repository for daily programming notes and code snippets organized by topics like languages, data structures, algorithms, OS. Managed with Obsidian for efficient learning and version control.

algorithms code-snippets data-structures java learning-notes obsidian personal-projects programming version-control

Last synced: 18 Mar 2026

https://github.com/shoyeb45/avltreevisualizer

This is data structure project. In this project I've built AVL tree visualisation application using javafx library of java. This project have solidified my understanding of AVL tree data structure and learnt a lot from this project

data-structures data-visualization java javafx javafx-application visualization

Last synced: 27 Feb 2026

https://github.com/sagar-gavhane/rahome

Popular data structures for writing efficient programs in JavaScript.

data-structures hashtable javascript linked-list queue stack typescript

Last synced: 11 Feb 2026

https://github.com/opixelum/brain-disk

Obsidian project where I store everything I've learnt.

ai algorithms coding data-structures deep-learning machine-learning maths neural-network programming

Last synced: 19 Mar 2026

https://github.com/aswinbarath/100-days-of-ds-algo

100 Days of DS Algo: Problem solving on Data Structures and Algorithms

algorithms data-structures

Last synced: 19 Mar 2026

https://github.com/iboudhaine/HNSW-Attribute-Filtering-Optimization

Optimizing multi-attribute filtering for Approximate Nearest Neighbor (ANN) search using HNSW. This project integrates bitsets and Roaring Bitmaps into HNSWLib to accelerate query performance by reducing evaluation costs for large attribute datasets.

ann-search approximate-nearest-neighbor bitsets cpp data-structures efficient-filtering hnsw optimization roaring-bitmaps

Last synced: 02 Apr 2026

https://github.com/merteldem1r/AlgoStruct

AlgoStruct: Mastering DSA with C & C++ Data Structures and Algorithms, Essential Concepts like Pointers, OOP, Structures, Memory Allocation etc. with well explained comment lines and Readme files. Implementing all Data Structures from scratch and their Algorithms.

algorithms c cpp data-structures

Last synced: 23 Oct 2025

https://github.com/abhay-kanwasi/data-structure

Various data structures in python with proper code with explanation and meaningful comments

algorithm data-structures python pythonbeginners pythondatastructure

Last synced: 13 Feb 2026

https://github.com/hadil19/pattern-searching

A high-performance Python library for single and multiple pattern searching, optimized for bioinformatics and large-scale text analysis

aho-corasick aho-corasick-algorithm algorithm algorithms bioinformatics boyer-moore data-structures dna-sequencing educational kmp-algorithm pattern-matching pattern-search python python-library string-matching

Last synced: 03 Apr 2026

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/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

https://github.com/savi-lang/map

Hash Map data structures for the Savi standard library.

data-structures hash-map library savi standard-library

Last synced: 19 Mar 2026

https://github.com/agilord/lookup

Dart package for constant (immutable) data structures for effiecient lookup, indexing and search in memory and on disk.

dart data-structures search

Last synced: 16 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/pablohenrique/aulaspython-fatec

Repository destined for Fatec's Microinformatics classes - ADS. Realizado com @HenriqueQueirozz

ads data-structures exercises functions learning-python logic-programming pycharm-ide

Last synced: 02 Apr 2026

https://github.com/dominikjalowiecki/programming-projects

Minor programming projects (from books, tutorials and my own).

algorithms data-structures design-patterns practice-projects programming

Last synced: 02 Mar 2026

https://github.com/massigy/entry-to-data-structures

this repo containes code about basic data structures (arrays, strings, matrixs...) and thier sorts and searching algorithms!

data-structures git github pascal

Last synced: 22 Oct 2025

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

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

algorithms c cprogramming data-structures

Last synced: 18 Jan 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/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/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/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/sminerport/sortvisualizer

The Sort Visualizer is an interactive tool that demonstrates various sorting algorithms in real-time. It supports Bubble Sort, Quick Sort, and more, making algorithm learning visual and intuitive.

algorithm-analysis algorithm-visualisation algorithm-visualizer data-structures data-structures-and-algorithms educational-project educational-software interactive interactive-visualizations python sorting-algorithms visualization

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/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/siyamulislam/oop_ps

AN INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING WITH JAVA™, FIFTH EDITION

data-structures java oop problem-solving

Last synced: 26 Oct 2025

https://github.com/ikhsan/datastructure

Data structures in Swift for fun

data-structures swift

Last synced: 26 Oct 2025

https://github.com/irene-frias/cs50x

Is a course for introductory computer science course offered by Harvard University, known for being both comprehensive and accessible to beginners. The course covers fundamental concepts in computer science and programming, starting with basic problem-solving and progressing to more complex topics.

alogrithms computer-science cybersecurity data-structures programming-with-c python-programming sql-database web-development

Last synced: 25 Feb 2025

https://github.com/r1te5h/data_structures-algorithms

Repository displaying Data Structures, Algorithms, and essential methods in Java, and different scripting languages.

algorithms data-structures java-8 javascript python3 typescript

Last synced: 20 Jun 2025

https://github.com/bradford-smith94/useful-c

Some useful bits of C

c data-structures

Last synced: 22 Mar 2025

https://github.com/sasha-hk/cpp

🏔️ Basic algorithms and data structures on cpp

algorithms cpp data-structures

Last synced: 01 Aug 2025

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

data-structure programs using C++

cpp data-structures dsa dsa-algorithm

Last synced: 11 Nov 2025

https://github.com/tristanpenman/algorithms

Code for various algorithms, data structures, and coding interview questions

algorithms data-structures

Last synced: 22 Mar 2025

https://github.com/ico12319/data-structures-implementations

This repository is a collection of implementations of various data structures.

cpp data-structures data-structures-implementations

Last synced: 27 Jul 2025

https://github.com/jdeokkim/atc-lab

A collection of my submissions for AtCoder contest problems.

algorithms atcoder atcoder-contests atcoder-solutions c c99 data-structures

Last synced: 06 Jul 2025

https://github.com/crisnguyendev/problem-solving-practice-java

A Java-focused repository to master algorithms, data structures, and problem-solving techniques. Ideal for coding interview preparation and competitive programming challenges.

algorithms big-o-interview codeforces data-structures grokking-coding-interview java leetcode problem

Last synced: 14 Apr 2025

https://github.com/donghl-dev/practices-algorithm

알고리즘과 자료구조를 통한 문제풀이 저장소

algorithm data-structures kotlin problem-solving

Last synced: 21 Aug 2025

https://github.com/i-umairkhan/data-structures

Includes C++ Implementation of Data Structures and Algorithms.

algorithms biginteger-cpp cpp data-structures

Last synced: 05 Mar 2025

https://github.com/shishir-grez/proxyserver

Proxy Server written in C , supports multithreading , logging and LRU caching. Custom Data Structure ( Combination of Hash Map + Queue ) for O(1) insertion, retrieval, deletion and updation of Cache.

c caching data-structures linked-list lru-cache multithreading mutex proxy semaphore socket

Last synced: 04 Mar 2025

https://github.com/singhjyoti24/leetcodedsa

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

algorithms data-structures java leetcode

Last synced: 05 Nov 2025

https://github.com/kabragaurav/practice-c-cpp-python-oops-dsa

Study and Practice Material for Chief Programming Languages and Major Topics in Computer Science

c cpp data-structures java object-oriented-programming python

Last synced: 11 Aug 2025

https://github.com/rishabh672003/hash-table-in-cpp

A very simple hash table implementation in CPP

cmake cpp cpp20 data-structures hash hash-table hashing

Last synced: 19 Aug 2025

https://github.com/antouhou/anycow

A supercharged container for read-heavy, occasionally-updated data structures with multiple storage strategies

data-container data-structures multithreading rust shared-ownership

Last synced: 01 Aug 2025

https://github.com/diogo-nb/radix-sort

Radix sort implementation in C for education purposes.

c data-structures radix-sort sorting-algorithms

Last synced: 13 Jul 2025

https://github.com/mariianikitash/data-structures-w-python

Repo with my completed data structures and algorithms questions taken from LeetCode

algorithms data-structures python3

Last synced: 05 Mar 2025

https://github.com/aaron-zhao/js-utils

js-utils-z provides JavaScript utility functions including commonly used data structures.

data-structures javascript utility

Last synced: 15 Mar 2025

https://github.com/adriandarian/hackerrank

💻 All of my HackerRank Solutions

algorithms data-structures

Last synced: 18 Jan 2026

https://github.com/oneblack333/pizza_sales_analysis

The project involves transforming raw pizza sales data into actionable business intelligence through analysis and visualization. This enables pizza business owners to make data-driven decisions on inventory, staffing, and marketing, ultimately improving performance and profitability.

data data-structures data-visualization excel mysql powerbi

Last synced: 25 Feb 2025

https://github.com/buzzybis/a-ds

Lecture notes and exercises on algorithms and data structures. Source material is A&DS from Pavel Marvin for the ITMO university.

algorithm algorithms-and-data-structures course data-structures data-structures-and-algorithms learn learning typst

Last synced: 18 Jun 2025

https://github.com/farhaduneci/contactbook

A simple contact book written with Python.

data-structures

Last synced: 01 Sep 2025

https://github.com/i-umairkhan/big-integers

A big integer calculator for solving calculaitons of big numbers

biginteger cpp data-structures

Last synced: 05 Mar 2025

https://github.com/thetimelessrecall/algoforge

A menu-driven, interactive CLI for learning and experimenting with algorithms and data structures.

algorithms c cpp data-structures interactive menu-driven-program

Last synced: 18 Sep 2025

https://github.com/sandyyyzheng/mouse-maze

Mouse-Maze: A Freshman Data Structure Course Project based on DFS

course-project data-structures dfs java maven maze maze-game

Last synced: 26 Feb 2025

https://github.com/timsearle/graph

Graph and Breadth First Search Playground Test

breadth-first-search data-structures graph swift-3

Last synced: 28 Jan 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 88 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