Projects sharing features with Klib

This project is a comprehensive library of reference implementations for fundamental data structures and algorithms, designed to support technical interview preparation and software engineering assessments. It provides a structured collection of computational techniques for solving complex problems involving arrays, strings, graphs, trees, and mathematical analysis. The library distinguishes itself by offering specialized implementations for advanced topics, including concurrent programming patterns and geometric algorithms. It features thread-safe primitives for managing shared state and tas

Biopython is a bioinformatics library for Python providing tools to parse, manipulate, and analyze biological sequences, molecular structures, and phylogenetic trees. It serves as a biological sequence parser for genomic and proteomic data across multiple industry-standard file formats and acts as an interface for querying biological data and citations from NCBI Entrez repositories. The project distinguishes itself through specialized toolkits for protein structure analysis and phylogenetic tree construction. It includes a protein structure analyzer for processing PDB and mmCIF files to calcu

tbox is a multi-platform C standard library and toolkit designed for portable software development. It provides a core foundation for low-level system programming through a collection of system primitives, data structures, and memory management tools. The project includes a coroutine framework for cooperative multitasking and asynchronous logic, a data structure library featuring generic containers with a consistent iterator interface, and a memory management toolkit for pool allocation and debugging of heap overflows and leaks. It also provides a network and serialization toolset for handlin

embedded-notes is a collection of technical study guides and development notes focused on embedded Linux, Linux kernel internals, and C programming. It serves as a reference for embedded systems development and a preparation resource for technical interviews in the field. The project provides detailed documentation on writing device drivers, managing virtual memory, and understanding kernel internals. It also includes guides on IoT network protocols, such as MQTT and TCP/IP, and outlines the architectural details of chip architectures and hardware peripherals. The material covers a broad sur

libgit2 is a portable, cross-platform C library that provides a programmatic interface for integrating Git version control directly into applications. It serves as a linkable implementation of Git internals, allowing developers to manage repositories and manipulate version control data without requiring a system installation of the Git command line tool. The library functions as an embedded API and object database manager capable of reading and writing commits, trees, blobs, and tags. It includes a network transport client to handle the transfer of repository data over protocols such as SSH a

clib is a C language package manager and dependency manager used to install, update, and manage external C libraries and executable dependencies from remote repositories. It functions as a distribution tool for structuring source code and metadata to publish C libraries and a development toolkit for maintaining consistent build environments. The project provides a framework for C library distribution and dependency resolution, utilizing manifest files to track required library versions and ensure reproducible builds across different systems. It streamlines the C development workflow by managi

Hiredis is a minimalistic C client library designed to send commands and receive responses from Redis servers using a binary-safe protocol. It functions as a core toolkit providing a Redis protocol parser, a secure connector, and both synchronous and asynchronous driver interfaces. The library distinguishes itself through a decoupled protocol parser that converts raw byte streams into structured data objects independently of the network transport layer. It supports high-performance pipelining to batch multiple commands into a single network round-trip and provides a secure networking layer fo

yyjson is a high-performance C library for parsing, serializing, and manipulating JSON data structures. It functions as a memory-efficient data tool that utilizes custom memory pools and contiguous block allocation to minimize fragmentation and overhead. The project distinguishes itself as a SIMD JSON processor, using hardware-accelerated vector instructions for rapid string validation and parsing. It provides a toolkit for querying, modifying, and patching nested JSON objects and arrays through pointer-based access and path expressions. The library covers a broad range of data manipulation

Carp is a statically typed Lisp compiler that compiles Lisp-like syntax directly to C source code, enabling seamless integration with existing C libraries and low-level system programming. It manages memory deterministically at compile time using ownership tracking and linear types, eliminating garbage collection pauses and runtime overhead while ensuring type safety through an inferred static type system. The language distinguishes itself through compile-time macro expansion and metaprogramming capabilities, allowing code generation and transformation before final binary output. It enforces

This project is a comprehensive, community-maintained knowledge base and toolkit designed for competitive programming. It serves as a centralized repository for algorithmic theory, data structures, and mathematical techniques, providing a structured reference for informatics and collegiate programming competitions. The project distinguishes itself by integrating educational content with a robust suite of automation utilities. It provides a complete workflow for competitive programming, including tools for automated test case generation, solution verification, and direct interaction with onlin

This project is a comprehensive container framework for Go that provides a suite of fundamental data structures and algorithms. It offers a standardized set of tools for managing, sorting, and traversing complex data collections, enabling developers to implement efficient storage and retrieval logic within their applications. The library distinguishes itself through an interface-driven design that allows for interchangeable use of different storage implementations. It supports custom ordering and sorting behavior through external comparison functions, which decouple the data structures from s

This project provides a server-side language runtime and a standardized Docker image for deploying applications across different operating systems. It functions as an execution environment for generating dynamic HTML, JSON, and XML content, while also serving as a command line interface for automation scripts and background jobs. The runtime is designed for extensibility through a C-based extension architecture, allowing the loading of custom modules for specialized functionality. It supports multiple server application interfaces, including a FastCGI web interface for high-performance commun

cxxopts is a header-only C++ command line parser used to define required options, default values, and positional arguments for console applications. It functions as a lightweight utility for parsing command line arguments into typed values using short and long flags and automatically generating formatted help messages and documentation. The library provides capabilities for argument specification, allowing the definition of option descriptions, types, and boolean flags. It supports multi-value option collection into containers, default value management for omitted options, and the mapping of

This project is a Chinese translation of a comprehensive guide to the Go programming language. It serves as a localized educational resource and technical manual designed to provide guidance on language syntax, design, and software development. The resource covers a broad range of Go language education, including the implementation of programming patterns and system design. It includes translated lessons and examples that focus on core language features such as concurrency and the use of interfaces. The content spans various capability areas, including language fundamentals, data modeling, r

NIH Utility Library

This project is a collection of portable, header-only C functions designed for integration into software projects without complex build dependencies or external linking requirements. It provides a suite of low-level utilities for graphics, audio, and data management, focusing on direct memory manipulation and zero-dependency portability. By utilizing a single-header distribution model, the library simplifies dependency management while allowing developers to maintain full control over memory allocation and binary size through compile-time configuration. The library distinguishes itself by off

Dotenv is a configuration management library designed to load environment variables from local files into the process environment. By separating application settings from source code, it enables developers to maintain consistent configurations across different deployment stages and team environments. The utility provides mechanisms to transform plain text configuration files into encrypted formats, allowing sensitive secrets to be stored securely within version control systems. It handles the parsing and normalization of key-value pairs, ensuring that configuration data is consistently proces

Janet is a Lisp-based dynamic programming language featuring a register-based bytecode virtual machine and an embeddable scripting engine. It functions as a fiber-based concurrency runtime and includes a parsing engine based on Parsing Expression Grammars. The project is distinguished by its ability to be integrated into C or C++ applications via a minimal header interface. It utilizes a Lisp-style macro system for compile-time code transformation and employs prototype-based table inheritance for object-oriented behavior. The runtime covers a broad set of capabilities, including asynchronous

open62541 is an open-source implementation of the OPC Unified Architecture standard, providing a complete stack for industrial automation and data exchange. It functions as both an OPC UA server and client, enabling the creation of an object-oriented address space to model physical industrial assets and their relationships. The project is designed for versatility across diverse hardware, offering a C99 library that can be deployed to both cloud servers and resource-constrained embedded environments. It distinguishes itself through a pluggable network layer and interface-based security backend

Magnum is a C++ middleware suite for cross-platform graphics development and real-time data visualization. It provides a hardware-agnostic rendering layer that translates graphics commands into platform-specific calls, ensuring consistent behavior across different GPU drivers and APIs such as Vulkan. The project focuses on decoupling application logic from underlying hardware through abstract graphics and system utilities. It features a plugin-based resource importer for 3D assets and audio, a hierarchical scene graph for spatial transformations, and a high-performance signal-based event syst

bbolt is an ACID-compliant embedded key-value store for Go applications. It persists all data in a single memory-mapped file on disk, organizing information using B+ trees to facilitate sorted key iteration and efficient range queries. The project distinguishes itself through a hierarchical data organization model, allowing buckets to be nested within other buckets to create a tree-like structure. It employs a single-writer, multi-reader locking mechanism and copy-on-write transactions to ensure serializable isolation and data integrity. The system includes comprehensive data management capa

This project is a cross-platform C library designed for implementing MQTT messaging in applications. It serves as an asynchronous networking toolkit that enables resource-constrained systems and distributed components to exchange telemetry data and control signals with messaging brokers. The library distinguishes itself through a state-machine-based protocol handler that manages connection lifecycles and persistent session states, ensuring reliable message delivery even during intermittent network connectivity. It utilizes a background thread to manage network operations, allowing application

TOML is a configuration file format designed for human readability and unambiguous mapping to hash tables. It serves as a standardized language for structured data, enabling consistent parsing and data exchange across diverse programming environments. The format distinguishes itself through a strict type-system specification that ensures data is interpreted identically regardless of the implementation. It utilizes a line-oriented lexical structure that supports both hierarchical organization through bracketed sections and compact inline embedding for nested objects. This approach allows for t

BlocksKit is a low-level utility library for Apple platform development, specifically designed for managing the execution flow and memory of blocks within macOS and iOS applications. It provides a collection of helper functions to simplify the use of blocks in Objective-C and C, reducing boilerplate code and addressing inherent technical limitations. The library focuses on bridging Objective-C blocks with legacy C-based APIs by providing compatible wrapper structures and function-pointer emulation. It enables the passing of blocks through system interfaces that require strict C-style callback

crun is a low-level container runtime that implements the Open Container Initiative specification for managing the lifecycle of isolated processes. It provides the core mechanisms for container creation, execution, and deletion, ensuring compatibility across platforms through standardized lifecycle management. The project distinguishes itself by offering a shared C library that allows container runtime operations to be embedded directly into other compiled applications. It further extends execution capabilities through specialized handlers that enable the deployment of containers within isola

This is an interactive Python tutorial delivered as a collection of Jupyter notebooks. It is designed as a structured learning path for beginners, teaching fundamental language concepts through a sequence of lessons that combine explanatory text with runnable code cells and embedded practice exercises. Each notebook is a self-contained unit that introduces a topic, demonstrates it with a minimal code example, and then asks the learner to write code themselves, receiving immediate feedback from the browser-based execution environment. The curriculum is built on a progressive concept-stacking mo