Best Open Source Libraries 2026

Libraries

Libraries Windows Server OSI-Approved Open Source Linux Clear Filters

Browse free open source Libraries and projects for Windows Server and Linux below. Use the toggles on the left to filter open source Libraries by OS, license, language, programming language, and project status.

Try Google Cloud Risk-Free With $300 in Credit
No hidden charges. No surprise bills. Cancel anytime.

Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.

Start Free
Gemini 3 and 200+ AI Models on One Platform
Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

Build generative AI apps with Vertex AI. Switch between models without switching platforms.

Start Free
1

Application Server Development Library

The Application Server Development Library is a generic component modules library for application server/services & software development on the Windows & Linux & BSD platforms. It can be used for rapid developing network application and generic software.

Downloads: 0 This Week

Last Update: 2013-04-26
See Project
2

Better

.Net extension methods, attributes and tools to make you more productive. Write less code, write less bugs.

Downloads: 0 This Week

Last Update: 2013-04-18
See Project
3

ConsoleFx Commandline Processing Library

Command-line application library

ConsoleFx is an .NET framework for easily developing command-line interface (CLI) applications. It automates most of the work involved in creating a CLI application, like command line argument parsing, error handling and validations. ConsoleFx supports both fluent and declarative (using attributes) programming models. With ConsoleFx, you can say goodbye to lengthy cumbersome code to parse your command-line arguments. For detailed documentation, with getting started guides, advanced topics and references, please visit: https://github.com/JeevanJames/ConsoleFx

Downloads: 0 This Week

Last Update: 2021-05-16
See Project
4

SoftX PHP Libraries (SoftPL)

PHP Libraries to provide extra functions in an easy and conveniently. Just like Boost C++ Libraries but it's for PHP

Downloads: 0 This Week

Last Update: 2013-04-22
See Project
Our Free Plans just got better! | Auth0
With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.

Try free now
5

ThunderMailConnector

(주)앤드와이즈의 썬더메일5.0 automail 라이브러리

(주)앤드와이즈의 대량메일발송 솔루션인 썬더메일5.0( http://www.thundermail.co.kr/thundermail/ ) 의 automail 기능을 이용하기위한 connector java 라이브러리.

Downloads: 0 This Week

Last Update: 2015-10-10
See Project