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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/jaem1n207/js-algorithms

A comprehensive collection of fundamental JavaScript algorithms. Featuring sorting, searching, data structure, graph, and dynamic programming algorithms, I will strive for clear, efficient solutions.

algorithms computer-science data-structures javascript jest

Last synced: 15 Apr 2026

https://github.com/quaddarv1ne/codewars_quadd4rv1n7

Репозиторий содержит решения задач с платформы Codewars, решённых на различных языках программирования. Все задачи организованы по языкам и уровням сложности (катам)

algorithm codewars codewars-kata config cpp csharp data-structures dynamic-programming easy education hard hardware javascript math medium olimpiade python recursive study study-project

Last synced: 28 Apr 2026

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

A repository containing various data structures and algorithms implemented in Java.

algorithms data-structures java java-21

Last synced: 13 Jun 2025

https://github.com/mxagar/python_interviews

Data structures, algorithms, software design & Co. in python.

algorithms data-structures python

Last synced: 16 May 2026

https://github.com/tisandg/simgrid-simulation

Simulation created using SimGrid

algorithms c data-structures job-queue simgrid

Last synced: 18 Jan 2026

https://github.com/jimenacambronero/proyecto_learndata

Proyecto 4 para Unicorn Project: 🧹 Limpieza de datos - LearnData. Proyecto de limpieza de datos con SQL que tiene como objetivo mejorar la calidad y confiabilidad de los conjuntos de datos utilizados.

basededatos data-structures model mysql sql

Last synced: 10 Jun 2025

https://github.com/m-aliozkaya/datastructuresproject-3

Data structure binary tree project for school

cpp data-structures

Last synced: 30 May 2026

https://github.com/cwchentw/nimalgo

Common data structures and algorithms in NIm

algorithms data-structures nim nim-lang

Last synced: 07 Jul 2025

https://github.com/lmithilesh-26/leetcode-solutions

Modern C++ Solutions of LeetCode Problems using Brute Force & Optimized Approach.

algorithms brute-force cpp20 data-structures interview-questions leetcode-solutions practice problem-solving

Last synced: 06 Sep 2025

https://github.com/anpep/nih

Implementation of commonly used data-structures and snippets

c data-structures data-structures-c utility-functions utility-library

Last synced: 25 Mar 2025

https://github.com/maestre3d/facebook-interview-go

Meta (Facebook) coding interview questions with solutions written in the Go programming language.

algorithms coding-interviews data-structures facebook go golang meta

Last synced: 02 Apr 2025

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

Exercise the data structure, algorithm and problem-solving skills adding a daily coding problem.

algorithm data-structures problem-solving-skills

Last synced: 08 Apr 2025

https://github.com/janmarthedal/simple-binary-heap

Simple heap implementation in Javascript

data-structures heap javascript priority-queue

Last synced: 08 Jan 2026

https://github.com/jaykickliter/bst

A simple unbalanced binary search tree which one day may become an AVL tree. You don't want to use this.

data-structures tree

Last synced: 13 Jun 2025

https://github.com/l004p/in-memory-data-store

In memory KV store. Learning from https://build-your-own.org/redis/

data-structures kv-store

Last synced: 14 Jun 2025

https://github.com/nohomey/sdp-sorting-algorithms-homework

Repository for second homework on sorting in FMI for Structures of Data and Programming course

cpp data-structures homework sparse-trie

Last synced: 06 Sep 2025

https://github.com/eignnx/char-list

A persistent string type with the same API as a linked-list of characters.

data-structures dynamic-array functional-data-structure immutable linked-list persistent-data-structure

Last synced: 06 Jul 2025

https://github.com/znrm/disjoint-hash-set

Incremental tracking of connected components identified by hash.

data-structures disjoint-sets rust rust-data-stuctures union-find

Last synced: 08 Jan 2026

https://github.com/parmodkumar28/codingninjas_dsa

Coding Ninjas DSA Questions Solutions

data-structures java

Last synced: 14 Jun 2025

https://github.com/daviddavo/18eda

This is a mirror from https://gitlab.com/daviddavo/18eda

data-structures eda

Last synced: 17 Mar 2025

https://github.com/ultraviolet-ninja/datastructures

A place to store all data structures I've made

data-structures

Last synced: 11 May 2026

https://github.com/shan18/algo-wiki

Implementation of various algorithms and data structures

algorithms algorithms-implemented data-structures

Last synced: 06 Sep 2025

https://github.com/selvamuthukumaranrajan/recipeapp

Native android food recipe app

android data-structures java ui-design xml

Last synced: 15 May 2026

https://github.com/momen-alshouha/data-structure-singly-linked-list

This repository contains C++ implementation of a singly linked list using object-oriented programming principles. It includes classes for nodes, iterators, and the linked list itself, providing essential functionalities such as insertion, deletion, traversal, and more.

cpp crud-operation data-structures linked-list oop-principles singly-linked-list

Last synced: 13 Jun 2026

https://github.com/dalvarez2596/codility-lessons

This repository contains solutions to various coding problems from Codility, a platform that offers a wide range of algorithmic challenges aimed at improving coding skills and preparing for technical interviews.

algorithms big-o-notation codility codility-challenges codility-exercises codility-lessons codility-solutions codility-training data-structures ruby

Last synced: 10 Jan 2026

https://github.com/mblumtritt/invariable

The Invariable data class for Ruby.

data-structures ruby ruby-gem

Last synced: 08 Aug 2025

https://github.com/ishibi/rust-dsa

🦀 Implementation of Data Structures and Algorithms in Rust

algorithms data-structures rust

Last synced: 02 Apr 2025

https://github.com/mdawoud27/binary_trees

This project is about binary trees and includes various functions to work with binary trees, such as finding the height, depth, and size of a tree, checking if a tree is balanced, and more.

binary-tree c data-structures

Last synced: 26 Mar 2025

https://github.com/kirill71/algorithms-and-data-structure

algorithms and date structure

algorithms data-structures

Last synced: 17 Mar 2025

https://github.com/valcler-manoel/exercises-in-c

The objective of this study is to develop a solid understanding of core programming concepts and data structures in C. Each program in this repository helps reinforce problem-solving techniques while applying theoretical knowledge into practical coding exercises.

arrays-and-matrices data-structures memory-management recursion

Last synced: 13 Jul 2025

https://github.com/jorodragon/graph

Learning Graph - Data Structures

data-structures graph

Last synced: 17 Mar 2025

https://github.com/bookseer/algorithms

Алгоритмы и структуры данных

algorithm algorithms data-structures education

Last synced: 03 Mar 2026

https://github.com/jakeshi/python_data_structure

Implement basic data structures in python

data-structures python

Last synced: 10 Jan 2026

https://github.com/yutao-li/libheap

heap and indexheap library

data-structures heap heapsort

Last synced: 14 Jan 2026

https://github.com/chandantech2023/strivers_a2z_dsa_course-sheet

A DSA course that helps you to understand all DSA Concepts topic wise with practical implementation from A to Z in a well-organized and structured manner.🤩

array data-structures dynamic-programming graphs heaps linked-list programming-fundamentals queue searching-algorithms sorting-algorithms stacks string tree two-pointers

Last synced: 06 Oct 2025

https://github.com/jmaister/golib

Implementation of algorithms in Go

algorithms data-structures go golang golang-library

Last synced: 07 Oct 2025

https://github.com/wittyicon29/dsa

Some problems of leetcode on various techniques and concepts of DSA

algorithms data-structures leetcode

Last synced: 07 Oct 2025

https://github.com/swonlee-13/minishell

minishell - my first shell program

data-structures minishell42 shell

Last synced: 27 Apr 2026

https://github.com/nikhilcodes/dsa-warehouse

A moderately structured repo to store Data structure and Algorithms.

algorithms data-structures

Last synced: 08 Oct 2025

https://github.com/brocooked/c-algorithms-practical-work-2025

Practical work repository for the Algorithms and Data Structures course (C language) at the National University of La Matanza (@unlam).

2025 c codeblocks continuous-integration data-structures gcc-complier mit-license practical-work university-assignment unlam

Last synced: 14 Apr 2026

https://github.com/bsati/go-ds

Basic datastructures in Go using generics

data-structures golang

Last synced: 18 Jan 2026

https://github.com/mustafahere/rms-dsa

Restaurant management system (RMS) on `JAVA` using data structures.

data-structures java

Last synced: 08 Oct 2025

https://github.com/googtech/classic-algorithms-in-java

:gem: programs are data structures plus algorithms ~

algorithms data-structures java

Last synced: 09 Oct 2025

https://github.com/pouu69/algorithm_study

자료구조 알고리즘 실습 용도

algorithm data-structures

Last synced: 09 Oct 2025

https://github.com/orxfun/orx-funvec

Traits to unify access to elements of n-dimensional vectors which are particularly useful in algorithms requiring both flexibility through abstraction over inputs and performance through monomorphization.

abstraction algorithms data-structures multidimensional-arrays rust vector

Last synced: 21 Jan 2026

https://github.com/karbica/go-field-notes

A collection of algorithms and data structures for reference and learning purposes.

algorithms data-structures go

Last synced: 14 Jan 2026

https://github.com/luisedmc/presser

A compressor and decompressor using Huffman Coding

algorithm c data-structures huffman-coding

Last synced: 10 Oct 2025

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/thomas-chqt/libft

C library containing common utility functions

42 algorithms data-structures library utility

Last synced: 18 Apr 2026

https://github.com/eldehan/go-exercises

A collection of coding problems and exercises completed in Go

algorithms data-structures go golang

Last synced: 14 Jan 2026

https://github.com/rbuj/basic-data-structures

A collection of simple examples for learning basic data structures using C.

ansi-c data-structures

Last synced: 11 Oct 2025

https://github.com/c2akula/bitarray

Package bitarray provides a convenient and fast BitArray data structure that compactly stores bits in Go.

bitarray boolean compact convenient data-structures fast go golang pure-go pure-golang

Last synced: 14 Jan 2026

https://github.com/kcenon/go_container_system

High-performance, type-safe container framework for Go with 15 value types, message container support, and cross-language binary serialization. Provides complete binary format compatibility with C++/Rust implementations, multiple serialization formats (Binary, JSON, XML), and comprehensive test coverage.

binary-format container cross-platform data-structures framework golang interoperability messaging serialization type-safe

Last synced: 05 Feb 2026

https://github.com/robin-mlh/treedatastructure

Tree-based data structure system with functions for adding, modifying, deleting or reading data from a directory path.

data-structures functions python utils

Last synced: 12 Oct 2025

https://github.com/r-n/calculatorstring

Calculator that takes math expression string as input like in Python

c calculator data-structures expression-evaluator interpreter linked-list math string-parsing

Last synced: 13 Oct 2025

https://github.com/mehedimubin/daily-dsa

Solutions to Leetcode problems in Golang

algorithms data-structures golang interview-preparation problem-solving

Last synced: 13 Oct 2025

https://github.com/danielslew/leet_code_problems

Data structures and Algorithms Practice

algorithms data-structures ruby

Last synced: 14 Oct 2025

https://github.com/samad-yar-khan/competetive-programming

This is a repository for all the competitive programming contests/

competitive-programming data-structures problem-solving

Last synced: 14 Oct 2025

https://github.com/theronwolcott/data-structure-phonebook

This project implements Ordered Linear Probing (OLP) and Quadratic Probing (QP) for collision resolution in hash tables, supporting soft deletion, hard deletion, and auto-resizing with prime number capacities for optimal performance.

data-structures hash-tables java

Last synced: 14 Oct 2025

https://github.com/barrettj12/collections

Generic, Java-style collections in Go.

collection data-structures golang library

Last synced: 27 Jan 2026

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

Notes from Data Structure & Algorithm tutorials.

algorithms data-structures

Last synced: 27 Jan 2026

https://github.com/astro-ph/cosmolib

Easy-to-use formats and plots for cosmological observables

cosmology data-structures library plotting visualization

Last synced: 22 Jan 2026

https://github.com/ososuna/matchmaking-lol

🕹️ Matchmaking algorithm for solo queue rankeds in League of Legends

data-structures league-of-legends machine-learning python

Last synced: 14 Apr 2026

https://github.com/mohammed-majid/task-manager

To-do list web app that organizes data using a heap data structure

data-structures graph heap

Last synced: 16 Oct 2025

https://github.com/ryansakurai/huffman-coding

Project that turns text into code using Huffman Coding, based on an Advanced Data Structures exercise.

compression data-structures java

Last synced: 16 Oct 2025

https://github.com/vaibhavmojidra/data-structures---arrays-in-java

Java provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.

arrays data-structures java mojidra vaibhav vaibhav-mojidra vaibhavmojidra

Last synced: 18 Oct 2025

https://github.com/belovetech/binary_trees

The study of binary trees, which are non-primitive non-linear data structures, and how they differ from non-primitive linear data structures such as arrays, stacks, queues, and linked lists.

algorithms binary-tree c data-structures

Last synced: 18 Oct 2025

https://github.com/ferstormblessed/datastructures-algorithms

Basic data structures and algorithms with c++

algorithms-and-data-structures cpp data-structures

Last synced: 01 Jun 2026

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/elkard/polynomialdatacontainer

C++ project on the 2nd semester of CS at Warsaw University of Technology

cpp11 data-structures parser polynomials template

Last synced: 24 Oct 2025

https://github.com/data-mechanics/geoql

Library for performing queries and transformations on GeoJSON data (with emphasis on support for abstract graph representations).

data-science data-structures geographic-data geojson geojson-library

Last synced: 04 Apr 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