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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/halvaradop/leetcode

A collection of solutions to LeetCode problems, focusing on algorithms and data structures

algorithms approaches data-structures leetcode techniques typescript

Last synced: 09 Aug 2025

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

A comprehensive collection of data structures and algorithms implemented in Java, with detailed explanations for each concept. This project was inspired by Bro Code, serving as a hands-on reference for learning and mastering fundamental data structures and algorithms in Java.

algorithms big-o-notation binary-search bro-code data-structures dynamic-array linear-search linked-list priority-queue queue stack

Last synced: 24 Mar 2025

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/calcit-lang/ternary-tree.ts

TypeScript version of calcit-lang/ternary-tree

data-structures typescript

Last synced: 24 Jul 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/mawuva/struct-changelog

Tracks changes in nested Python structures (dicts, lists, tuples, and objects with __dict__).

change-tracking changelog data-diff data-structures dict diff json library list nested-data python python3

Last synced: 26 Oct 2025

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/hassan11196/ds-assignments

Data Structures Assignments - FAST NUCES (Karachi) - CS201 - Fall 2018

bfs c cpp data-structures dfs infix optimization pathfinding postfix

Last synced: 18 Apr 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/easonsyc/queues-stacks

Data structures queues and stacks.

c-sharp data-structures study

Last synced: 10 Jun 2025

https://github.com/fawaz-ahmed/js-infinite-median

Calculate median of a stream of numbers using heap sort (with nlogn comlpexity)

crypto data-structures data-visualization graphs infinite math median median-heap numbers pricing streaming-data

Last synced: 15 Aug 2025

https://github.com/tufahel/interview-prep-q-a

This repo is to track, save and practice mostly asked questions in technical interview for future use and hand-note for beginners like me.

algorithms back-end css data-structures database front-end html javascript postgresql reactjs redux ror ruby

Last synced: 13 Apr 2026

https://github.com/zhravan/data-structures-and-algorithm

Repo contains the development explanation and code for Data Structure and Algorithm

algorithm algorithms data-structures

Last synced: 26 Aug 2025

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

🍌 Data structures with C language

c c-language data-structures

Last synced: 05 Jun 2026

https://github.com/alecmocatta/sum

General-purpose sum types.

data-structures rust sum-types

Last synced: 10 Apr 2025

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/sureshsundriyal/rcu-cache

A FIFO cache implementation in Python with lock-free reads.

cache data-structures fifo-cache lock-free-reads python rcu rcu-cache

Last synced: 23 Mar 2025

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

THIS REPOSITORY CONTAINS ESSENTIAL IMPLEMENTATIONS OF FUNDAMENTAL DATA STRUCTURES SUCH AS STACKS AND QUEUES. IT INCLUDES BOTH STANDARD IMPLEMENTATIONS AND PROBLEM-SOLVING EXERCISES TO ENHANCE UNDERSTANDING AND APPLICATION OF THESE CONCEPTS. THIS REPOSITORY IS DESIGNED TO HELP STUDENTS AND DEVELOPERS PRACTICE DATA STRUCTURE.

data-structures java

Last synced: 31 Mar 2025

https://github.com/seigtm/bidirectionalringlist

Ring doubly linked list C++ class implementation. My very old college homework from 2020.

bidirectional-lists class cpp cpp-class cpp-library data-structure data-structures linked-list list

Last synced: 20 Apr 2025

https://github.com/asarkar/algorithms-design-analysis

Lecture videos and homework for Algorithms: Design and Analysis, Part 1, taught by Tim Roughgarden

algorithms coursera data-structures scala stanford

Last synced: 04 Oct 2025

https://github.com/fredericbonnet/colibri

Colibri is a fast and lightweight garbage-collected datatype library written in C

abstract-data-structures abstract-data-types c data-structures datatypes garbage-collection garbage-collector memory-allocation

Last synced: 07 Oct 2025

https://github.com/shravanatirtha/must-know-java-programs

All programs a geeks needs to know at one stop. It is an implementation of Data Structures and Algorithms in Java.

algorithms data-structures java

Last synced: 03 Apr 2025

https://github.com/i-am-surovi/bracu-cse220

BRAC University's course - CSE220 (Data Sturctures) Assignments Questions, Lab Solutions (Summer 2023)

assignment-solutions bracu bracu-cse bracu-cse-lab bracu-cse220 bracu-cse220-summer23 bracucse220 cse220 cse220lab data-structures i-am-surovi lab notes python summer23

Last synced: 19 May 2026

https://github.com/mmiranda96/algorithms-go

Algorithms workshop in Golang

algorithm data-structures golang

Last synced: 02 Jul 2025

https://github.com/sysread/skewheap-pp

A fast and flexible heap structure written in pure perl

data-structures heap perl perl5 prioity-queue queue skew skewheap

Last synced: 02 Aug 2025

https://github.com/ernyoke/algorithms-ts

Algorithms and data-structures implemented in TypeScript (NodeJs)

algorithms data-structures

Last synced: 16 Jan 2026

https://github.com/snehalyelmati/competitive-programming-golang

Repository to maintain LeetCode, Kickstart and CodeChef solutions in Go. Implementation and notes of data structures and algorithms.

algorithms data-structures golang google-hashcode google-kickstart leetcode

Last synced: 21 Jun 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/joshsizer/my-malloc

Linked-list implementation of the standard C library function “malloc.” Uses a first-fit algorithm with support for coalescing.

algorithm coalescing data-structures first-fit linked-list

Last synced: 28 Jun 2025

https://github.com/kawser2133/problem-solving-practice

The solutions are implemented in the C# programming language and aim to showcase my problem-solving skills and coding practices.

algorithms algorithms-and-data-structures csharp data-structures problem-solving

Last synced: 03 Mar 2025

https://github.com/sakapon/wbtrees

Provides a basic implementation of weight-balanced binary trees.

algorithms binary-search-tree data-structures self-balancing-binary-search-tree weight-balanced-tree

Last synced: 26 Jul 2025

https://github.com/sr-tamim/algorithm-practice

Data Structure and Algorithm (DSA) practice repo of SR Tamim

algorithm algorithms-and-data-structures data-structures data-structures-and-algorithms dsa

Last synced: 05 Jan 2026

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/ososuna/js-data-structures-library

💾 JavaScript data structures library

data-structures es6 javascript nodejs

Last synced: 18 May 2026

https://github.com/skazemi/collidea-rust

Collision-prone memory-efficient collections

data-structures hash hashmap hashset memory-efficient

Last synced: 18 Sep 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/rabinadk1/linearhashing

Hash Table visualization with Linear Probing for key collision

data-structures hashtable javascript p5js

Last synced: 11 Mar 2026

https://github.com/gabriel-dp/ufsj-labprog2

All exercises solved during "Programming Laboratory II" subject at UFSJ

data-structures lab ufsj

Last synced: 03 Jul 2025

https://github.com/theteachr/trie

A minimal trie structure to store zip codes

c data-structures trie

Last synced: 25 May 2026

https://github.com/chrisammon3000/dict-smasher

Flatten Python dictionaries in one go.

data-structures python-library

Last synced: 16 Mar 2025

https://github.com/ibz-04/sudoku-solver

Solving the sudoku arithmetic game with python algorithms

algorithm-challenges data-structures sudoku-solver

Last synced: 31 Mar 2025

https://github.com/zul132/placement-prep-programs-java

This repository contains all the Java programs and coding problems I practiced for my placement preparation. The programs are organized topic-wise for ease of reference.

algorithms algorithms-and-data-structures data-structures data-structures-algorithms data-structures-and-algorithms dsa dsa-algorithm dsa-practice java placement placement-preparation programming-exercises

Last synced: 05 Feb 2026

https://github.com/rhaeguard/algorithms-in-java

The collection of my Java implementations of common algorithms and data structures and more

algorithms data-structures java sorting-algorithms

Last synced: 01 Aug 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/madhvi-n/python-dsa

Data Structures and Algorithms in Python. Solutions to practice problems on GFG.

algorithms data-structures problem-solving python3

Last synced: 08 Apr 2025

https://github.com/tom-spalding/petrie

a Graph-based phylogenetic tree, implemented in Javascript.

algorithms data-structures graph nature petrie phylogeny taxonomy tree

Last synced: 20 Jan 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/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/iamwatchdogs/dsa

Slate/Deprecated docs repo for DSA. I should have continued working on it.

algorithms c cpp data-structures documentation dsa interview java learning open-source preparation python

Last synced: 09 Apr 2026

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/inforkgodara/insertion-sort

A single class implementation of insertion sort

data-structures inforkgodara insertion-sort java

Last synced: 20 Aug 2025

https://github.com/humbertocg18/pucrs-alest-i-2.3-2023.24

Trabalhos, Projetos, Exercícios e aulas realizados em Java na cadeira de Algoritimos e estrutura de dados 1, matéria do segundo semestre.

beecrowd beecrowd-solution-in-js beecrowd-solutions-in-java data data-structures datastructures-algorithms hashmap hashtable java-8 leetcode leetcode-javascript leetcode-solutions leetcodepra pucrs sorting-algorithms

Last synced: 29 Mar 2025

https://github.com/kopach-artem/fleet-managment

Car Fleet Manager in C: Manages vehicle data, refueling logs, and service alerts. The program utilizes linked lists for efficient data handling and provides a console-based user interface for interactive management. Includes source code, user interface, and documentation.

c c-plus-plus data-structures fleet-management structures

Last synced: 28 Apr 2026

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/glintonliao/berkeley-cs-61b

CS 61B: Data Structures

algorithms data-structures java

Last synced: 18 Mar 2025

https://github.com/jlmsc/estruturas-de-dados

Implementações de algumas estruturas.

algorithms algorithms-and-data-structures data-structures java

Last synced: 08 Oct 2025

https://github.com/ajlekcahdp4/ilab_1

First projects of MIPT ILAB course

c data-structures ilab poem-generator quadratic-equations stack

Last synced: 25 Jul 2025

https://github.com/imjul1an/algorithms-and-data-structures

Learn algorithms and data structures in JS

alogrithms data-structures javascript

Last synced: 15 Mar 2025

https://github.com/peyman-borhani/gdb

Generative Data Build - define structured data template, convert data into raw or re-build it from raw into intended/original structure.

data-structures javascript method object-storage template

Last synced: 31 Aug 2025

https://github.com/jakerockland/data-structure-essentials

Implementation of the basics of algorithms and data structures including searching, sorting, lists, stacks, queues, hash tables, trees, and graphs.

algorithms data-structures python

Last synced: 24 Jul 2025

https://github.com/saka7/algorithms

Algorithms and data structures in TypeScript

algorithms cumputer-science data-structures typescript

Last synced: 18 Mar 2025

https://github.com/lbwa/algorithms

Algorithm fundamentals implemented by JavaScript(TypeScript), @golang, @rust-lang.

algorithms algorithms-implemented data-structures go golang heap javascript linked-list queue searching-algorithms sorting-algorithms stack typescript

Last synced: 15 Apr 2026

https://github.com/okeuday/keys1value

Erlang set associative map for key lists

data-structures erlang

Last synced: 24 Jul 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/sh1zen/crossync

Blazingly fast concurrent Data Structures for Rust.

concurrent-programming data-structures dev-tools rust-lang rust-library

Last synced: 06 Nov 2025

https://github.com/blackspade/json-data-mine

Data collections using JSON format for applications.

data-structures json

Last synced: 04 Apr 2025

https://github.com/swimshahriar/dsa-problem-solving

This repository contains some of the Data Structure and Algorithms that I have worked with.

algorithms data-structures javascript python3

Last synced: 02 May 2026

https://github.com/nishkarsh25/iit-h-hospital-helpdesk-portal

Description: The IIT-H Hospital Helpdesk Portal is a multipurpose system that includes a directory of doctors and patients, an appointment management system, and a feedback management portal. The portal allows for easy access to important information, including doctor and patient details, appointment availability, and feedback ratings.,

data-structures linkedlists-using-class

Last synced: 15 Jul 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/rockharshitmaurya/leetcode-hub

Collection of LeetCode questions to ace the coding interview!

algorithms data-structures java leetcode

Last synced: 14 Jul 2025

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

A collection of Algorithms and Data Structures written in Java

algorithms data-structures java

Last synced: 13 Aug 2025

https://github.com/kazu728/aoj

Aizu Online Judge

algorithms data-structures

Last synced: 18 Mar 2025

https://github.com/bsanket16/data-structures-and-algorithms

My data structures and algorithms library

algorithms data-structures java

Last synced: 14 May 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 98 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