Open Source Linux Libraries - Page 52
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tiny-DSP library
small and fast library dealing with signal processing
Tiny-DSP library contains c sources of a fast, tiny, portable and generic FFT (Fast Fourier transform) and inverse FFT. Supported are all power of two sizes (like 2,4,8,16,32,...) for one and two dimensional floating point arrays. -
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tkcalendar
Calendar widget for Tkinter
tkcalendar is a python module that provides the Calendar and DateEntry widgets for Tkinter. The DateEntry widget is similar to a Combobox, but the drop-down is not a list but a Calendar to select a date. tkcalendar is compatible with both Python 2 and Python 3. It support all locale settings supported by the system and the colors are customizable. -
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vfTasks is a C library to ease the implementation of concurrent tasks: thread pool to efficiently create and reuse tasks, highly efficient inter-task synchronization, and streaming interfaces to stream data from one task to another.
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vsResolver
DNS Validating Stub Resolver
The Validating Stub Resolver (vsResolver) is a DNS stub resolver that implements the Domain Name System Security Extensions (DNSSEC) specified in RFC 4033, RFC 4034 and RFC 4035. These add data origin authentication and data integrity to the Domain Name System. vsResolver extends the dnspython toolkit (http://www.dnspython.org/) and uses the pycrypto library for its underlying crypto implementation(https://www.dlitz.net/software/pycrypto/). Click on this link for a ridiculously simple python page demonstrating vsResolver working - http://superawesum.novas.us/py/hello.py. Try entering some domains and click submit. Then, enable details, click submit to get the details,and compare with what you get for that domain at http://dnssec-debugger.verisignlabs.com. -
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z-utalm
Unified Test and Logging layer for multiple programming languages
Modern software systems and application are commonly written in multiple languages, include scripting engines, and are frequently build on multiple specialized frameworks and middleware for a considerable diversity of runtime environments. The latest influencing update in development paradigm is the application of multicore processors. This projects is aimed to unify the required trace and logging output and integrate into debugging environments. The target is to provide general development, test, and production support of software environments based on multiple programming languages for distributed multicore environments. -
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zaphodsmap
cross platform configuration system
A single fact determines the starting point of configuration, and that fact can be the same regardless of whether the software is running standalone under a logged-in user's account, or launched from another program with debugger access, or as a service or daemon, or even as a component within a dynamically linked library. -
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This is a JavaScript Library that extends JavaScript's Date object to provide all the functionality that is missing from the standard implementation. Output a date in almost any textual format and calculate the exact difference between any two dates
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(py)biblib
A python library to handle BibTeX bibliographic data.
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-prefix-free
Break free from CSS prefix hell
-prefix-free is a client-side JavaScript utility that lets authors write unprefixed CSS while supporting browsers that historically required vendor prefixes. After inclusion, it examines linked stylesheets, style blocks, inline declarations, and dynamically added CSS. It detects the current browser’s prefix and modifies only properties, values, selectors, functions, keywords, and at-rules that need it. The bundled StyleFix framework also lets plugin authors register additional CSS transformation callbacks. Public APIs can process complete CSS strings or prefix individual selectors and properties. Because the conversion happens in the browser, the original styles remain clean and easier to maintain. The repository was archived in 2024 and is now mainly useful for legacy projects and browser-compatibility study. -
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.NET Bindings
.NET runtime bindings for WFMATH
This project is a subproject of the WFMATH library, a library providing several complex mathematical primitives. This library will allow .NET programmers to use WFMATH in their code. -
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.NET Developer Roadmap 2026
The comprehensive .NET Developer Roadmap for 2026 by seniority level
.NET Developer Roadmap is a comprehensive 2026 study guide for becoming a professional .NET engineer. It maps more than 260 tools, libraries, frameworks, concepts, books, blogs, and videos across the ecosystem. The material begins with .NET runtimes, .NET Standard, C#, and general development skills. It continues through .NET Core, client-side .NET, databases, object-relational mapping, testing, logging, communication, caching, and background work. Later sections cover observability, containers, cloud services, CI/CD, artificial intelligence, security, cryptography, diagnostics, and performance. A minimal version highlights the baseline knowledge expected from junior developers. Visual and PDF editions help learners turn the repository into a practical study plan. -
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.NET coding patterns
A collection of coding patterns in no particular order
.NET coding patterns is a compact collection of practical implementation patterns for modern .NET development. Its examples focus on reusable techniques that arise when working with dependency injection, generics, configuration, services, and asynchronous networking. One section demonstrates using generic types as factories for resolving or creating services from an IServiceProvider. Other patterns cover lazy service initialization, exposing one implementation through multiple interfaces, caching singleton instances in generic types, and resolving dependencies with IOptions. The repository also includes a modern asynchronous socket server built with task-based accept, read, and write APIs. Examples are presented as focused Markdown explanations with C# code rather than as a single executable application. The project is intended as a reference for developers interested in concise, idiomatic .NET implementation techniques. -
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.Net Core for Delphi/Lazarus
The best library to work with the .Net Core from Delphi and Lazarus.
The .Net Core for Delphi/Lazarus (dotNetCore4Delphi) is a .Net Core Runtime Library for Delphi which helps Delphi/Pascal developers work with .Net Core. It is designed to provide a way to interact with .Net Core applications from Delphi/Pascal. What dotNetCore4Delphi can do: - Access .Net Core Framework Class Library. - Access Third Party .Net Core Libraries. - Access Your .Net Core Libraries. - etc Competitive Advantages: - Cross-platform framework that runs on Windows, Linux and macOS operating systems. - No extra dll is required when deployed. - Allows Delphi and Lazarus to consume .Net Core Libraries as if they were native code. - Full access to .Net Core Framework Class Library. - Lightweight and easy to use. -
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101 FastAPI Tips
FastAPI Tips by The FastAPI Expert!
101 FastAPI Tips is a curated collection of practical FastAPI advice from a developer deeply involved in the FastAPI ecosystem. Rather than being a full framework or application template, it works as a compact learning resource for improving real FastAPI projects. The tips cover performance, async behavior, WebSocket patterns, project structure, dependency choices, testing habits, and production-minded design decisions. It is especially helpful for developers who already know the basics and want to avoid subtle mistakes that can hurt scalability, reliability, or maintainability. Many entries explain not just what to do, but why a certain pattern is better in FastAPI or Starlette-based applications. The repository is best used as a checklist, reference, and learning guide for building cleaner Python APIs. -
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12306 Ticket Buying Assistant
12306 Smart ticket swiping, ticket booking
12306 is an automation and ticket-purchasing tool designed to interact with China’s official railway booking system, providing users with a programmatic way to search, reserve, and purchase train tickets. The project replicates the workflow of the official platform while adding automation features that help users secure tickets in high-demand scenarios. It supports querying schedules, checking seat availability, and performing booking actions through scripts, which reduces the need for manual interaction. The system is particularly useful during peak travel periods when tickets sell out quickly, as it can continuously monitor availability and attempt purchases automatically. It includes support for account management, login handling, and CAPTCHA-solving integrations to mimic real user behavior. The project is often used as both a practical utility and a learning resource for understanding HTTP automation and web interaction. -
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1m-go-tcp-server
Benchmarks for implementation of servers
1m-go-tcp-server is a benchmark collection for studying Go TCP server designs that can support one million connections. It compares different server architectures instead of presenting a single production framework. The repository includes implementations based on goroutines per connection, single epoll, multiple epoll loops, prefork design, worker pools, and Reactor-style event handling. It also includes client implementations and specialized benchmarks for throughput, latency, I/O-bound workloads, and CPU-bound workloads. The project documents Linux tuning values such as file descriptor limits and TCP settings needed for extreme connection counts. It is most useful for engineers studying high-concurrency networking tradeoffs in Go. -
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2licht Irrlicht Engine Wrapper
Multi-Language Wrapper Collection for the Irrlicht Engine
2licht's aim is to provide a collection of wrappers for the popular Irrlicht Engine (http://irrlicht.sf.net/). It is still in development; the first wrappers to be released will be the C and Object Pascal interface; followed by a .NET library. -
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30 Seconds of Code
Coding articles to level up your development skills
30-seconds-of-code is a popular repository offering a vast collection of concise, reusable JavaScript code snippets that can be read and understood in 30 seconds or less. It covers a broad range of everyday programming tasks, from array manipulation to DOM handling. Ideal for learners and professionals alike, it promotes clean coding and fast prototyping by focusing on clarity and brevity. -
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30 Seconds of Java
Collection of reusable tested Java 21 compatible code snippets
30 Seconds of Java is a curated collection of short, focused Java code snippets intended to teach small concepts quickly, similar to the popular “30 seconds of code” format in other languages. Each snippet is designed to be read and understood in under a minute, showing a single idea such as working with streams, handling optionals, manipulating collections, or doing common utility tasks. The repo targets both beginners who want bite-sized learning and experienced developers who just need a ready-made idiom without digging through docs. Because the snippets are standalone, you can copy them directly into your project or adapt them with minimal changes. The collection is organized and documented so you can browse by category and skill level. Overall, it’s a convenient library for learning modern, idiomatic Java fast and applying it right away. -
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7 days golang programs from scratch
7 days golang programs from scratch (web framework Gee
7days-golang is an educational collection that teaches Go by rebuilding substantial software from scratch in compact, seven-day projects. Its examples emphasize understanding core design ideas rather than relying on finished frameworks. The repository includes Gee, a Gin-like web framework with routing, middleware, templates, and panic recovery. GeeCache demonstrates LRU caching, concurrency, consistent hashing, distributed nodes, single-flight protection, and Protobuf communication. GeeORM covers mapping, queries, hooks, transactions, and migrations. GeeRPC builds on net/rpc with concurrent clients, timeouts, HTTP transport, load balancing, registration, and service discovery. -
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.NET wrapper for 7Zip, based on 7-Zip-JBinding, produced with IKVM. Extracts (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Udf archives. Archive creation/more formats coming soon.
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90s Cursor Effects
Old-school cursor effects for your browser built with modern JS
"Knowing the codes" used to be all the rage, I want to bring a few back. A repo of the old effects that inspired creativity and the desire to learn at least a little code around the world. Modernized so they're a little more efficient, and just as annoying (and twice as fun) as they were before. -
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996.ICU
Repo for counting stars and contributing
996.ICU is a landmark community movement and repository that protested the “996” work schedule culture (9 a.m. to 9 p.m., six days a week) prevalent in some tech workplaces. The repo galvanized global attention to labor rights in software by aggregating discussions, legal references, and media coverage that highlight the health and legal risks of excessive overtime. It popularized the Anti-996 License, a software license intended to discourage companies with abusive labor practices from benefiting from open source. The project also fostered translations and international outreach, turning a regional issue into a worldwide conversation about humane work standards. Its simplicity—a README-driven campaign—showed how developer communities can advocate collectively. Beyond code, it stands as an example of using open repositories to coordinate social action in tech.
