C# Frameworks for BSD

Browse free open source C# Frameworks for BSD and projects below. Use the toggles on the left to filter open source C# Frameworks for BSD by OS, license, language, programming language, and project status.

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • Our Free Plans just got better! | Auth0 Icon
    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
  • 1
    Grassroots DICOM

    Grassroots DICOM

    Cross-platform DICOM implementation

    Grassroots DiCoM is a C++ library for DICOM medical files. It is accessible from Python, C#, Java and PHP. It supports RAW, JPEG, JPEG 2000, JPEG-LS, RLE and deflated transfer syntax. It comes with a super fast scanner implementation to quickly scan hundreds of DICOM files. It supports SCU network operations (C-ECHO, C-FIND, C-STORE, C-MOVE). PS 3.3 & 3.6 are distributed as XML files. It also provides PS 3.15 certificates and password based mecanism to anonymize and de-identify DICOM datasets.
    Leader badge
    Downloads: 241 This Week
    Last Update:
    See Project
  • 2

    Emgu CV

    Emgu CV is a cross platform .Net wrapper for OpenCV

    Emgu CV is a cross platform .Net wrapper to the OpenCV image processing library. Allowing OpenCV functions to be called from .NET compatible languages such as C#, VB, VC++, IronPython etc. The wrapper can be compiled in Mono and run on Windows, Linux, Mac OS X, iPhone, iPad and Android devices.
    Leader badge
    Downloads: 131 This Week
    Last Update:
    See Project
  • 3
    StabilityMatrix

    StabilityMatrix

    Multi-Platform Package Manager for Stable Diffusion

    StabilityMatrix is a project that helps organize, evaluate, and compare generative AI models and their behavior across prompts, datasets, or configuration settings. It provides a framework to run experiments systematically—capturing inputs, model configurations, outputs, and metrics—so researchers and practitioners can reason about differences in quality, robustness, and failure modes. The repository often bundles tooling for automated prompt sweeping, scoring heuristics (such as diversity, coherence, or task-specific metrics), and visualization helpers to make comparisons interpretable. This approach is useful for model selection, prompt engineering, and benchmarking new checkpoints against baseline models under reproducible conditions. By turning ad-hoc tests into tracked experiments, StabilityMatrix reduces bias, surfaces subtle regressions, and accelerates iteration when tuning generative systems.
    Downloads: 24 This Week
    Last Update:
    See Project
  • 4
    NHibernate
    .NET port of the excellent Java Hibernate which provides Object/Relational mapping to persist objects in a relational database.
    Downloads: 102 This Week
    Last Update:
    See Project
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 5
    System.Linq.Dynamic.Core

    System.Linq.Dynamic.Core

    The .NET Standard version from the System Linq Dynamic functionality

    System.Linq.Dynamic.Core is an extension library that adds dynamic LINQ query capabilities to .NET, allowing developers to create LINQ queries from strings.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 6
    NeoLua

    NeoLua

    A Lua implementation for the Dynamic Language Runtime (DLR)

    A Lua implementation for the Dynamic Language Runtime (DLR). NeoLua is an implementation of the Lua language. Currently, the implementation is on the level of Lua_5.3. The goal is to follow the reference of the C-Lua implementation and combine this with full .NET Framework support. That means it should be easy to call .NET functions from Lua and it should be easy to access variables and functions from a .net language (e.g. C#, VB.NET, ...).
    Downloads: 7 This Week
    Last Update:
    See Project
  • 7

    Okapi Framework (Old .NET version)

    See http://okapi.opentag.com/ for LATES VERSION of the Okapi Framework

    THIS VERSION ON SOURCEFORGE IS NO LONGER SUPPORTED and works only on Windows. The Okapi Framework is a set of components and tools for localization and translation tasks. THE NEWEST JAVA-BASED VERSION OF OKAPI IS AVAILABLE AT: http://okapi.opentag.com/ The new version runs on Windows, Mac, Linux, etc.
    Leader badge
    Downloads: 31 This Week
    Last Update:
    See Project
  • 8
    Seal Report

    Seal Report

    Database Reporting Tool and Tasks (.Net)

    Seal Report is an open-source tool for the generation of daily reports from any database. It offers a complete framework for producing dynamic reports and dashboards, with a focus on simplicity and ease of use.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    SqlSugar

    SqlSugar

    .Net aot ORM Fastest ORM DB2 Hana Simple Easy VB.NET Sqlite orm

    SqlSugar is a high-performance, easy-to-use Object-Relational Mapping (ORM) framework for .NET. It supports multiple database systems and offers a rich set of features that simplify database operations, making it a popular choice among .NET developers.
    Downloads: 4 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    C# ECG Toolkit

    C# ECG Toolkit

    ECG Toolkit support for: SCP-ECG, DICOM, HL7 aECG, ISHNE & MUSE-XML

    C# ECG Toolkit is an open source software toolkit to convert, view and print electrocardiograms. The toolkit is developed using C# .NET Framework 2.0 and later (code also supports netstandard2.0). Support for ECG formats: SCP-ECG, DICOM, HL7 aECG, ISHNE, MUSE-XML and OmronECG.
    Leader badge
    Downloads: 32 This Week
    Last Update:
    See Project
  • 11
    EFCore.BulkExtensions

    EFCore.BulkExtensions

    Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy

    EFCore.BulkExtensions is a high-performance extension library for Entity Framework Core that provides bulk operations like insert, update, delete, and read. It significantly improves performance when working with large datasets and supports batching, upserts, and change tracking. The library is compatible with popular databases like SQL Server, PostgreSQL, MySQL, and SQLite.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    JPPF

    JPPF

    The open source grid computing solution

    JPPF makes it easy to parallelize computationally intensive tasks and execute them on a Grid.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 13
    NeuronDotNet is a neural network engine written in C#. It provides an interface for advanced AI programmers to design various types of artificial neural networks and use them.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 14

    The Tao Framework

    Superseded by OpenTK: https://sourceforge.net/projects/opentk/

    The Tao Framework for .NET is a collection of bindings to facilitate cross-platform game-related development utilizing the .NET platform. Superseded by OpenTK: https://sourceforge.net/projects/opentk/
    Downloads: 8 This Week
    Last Update:
    See Project
  • 15
    FluentDocker

    FluentDocker

    Use docker, docker-compose local and remote in tests

    This library enables docker and docker-compose interactions using a Fluent API. It is supported on Linux, Windows, and Mac. It also has support for the legazy docker-machine interactions. The fluent API builds up one or more services. Each service may be composite or singular. Therefore it is possible to e.g. fire up several docker-compose-based services and manage each of them as a single service or dig in and use all underlying services on each docker-compose service.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    SDK .NET

    SDK .NET

    Temporal .NET SDK

    Temporal is a distributed, scalable, durable, and highly available orchestration engine used to execute asynchronous, long-running business logic in a scalable and resilient way. "Temporal .NET SDK" is the framework for authoring workflows and activities using .NET programming languages.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Standard Webhooks

    Standard Webhooks

    The Standard Webhooks specification

    Standard Webhooks is a community-driven specification and set of open-source tools designed to make webhooks consistent, secure, and interoperable across providers. The project defines strict guidelines covering aspects like signature formats, headers, timestamps, replay protection, and forward compatibility. It includes reference implementations for signature verification and signing across multiple languages such as Python, JavaScript/TypeScript, Go, Rust, Ruby, PHP, C#, Java, and Elixir, along with additional community SDKs. The initiative is guided by a technical steering committee with members from companies like Zapier, Twilio, Mux, ngrok, Supabase, Svix, and Kong. Standard Webhooks matters because it eliminates the fragmentation of webhook implementations, reducing consumer effort and enabling seamless verification in apps or even directly in API gateways. By unifying best practices, it improves developer experience, enhances security, and enables new ecosystem tools.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    This is the home of the old MindTouch Platform and Core. This project was turned over to the community in 2010. Please visit www.MindTouch.com for the most up to date version of MindTouch--software that accelerates customer success. More info on the old Core and Platform: http://mndt.ch/oss-dep Thanks for your interest and for making the old MindTouch open source one of the most popular (top 5) open source projects in the world from 2007-2010. Some key terms commonly associated with this project are: customer support, self service support, customer success center, help center, enterprise wiki, etc
    Downloads: 5 This Week
    Last Update:
    See Project
  • 19
    A software toolkit for using the EPCglobal Low Level Reader Protocol (LLRP) to communicate with conforming RFID readers.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 20
    The PKI Framework (PKIF) is a cross-platform library for performing PKIX-compliant certificate processing. It includes support for SCVP, OCSP, CMS and Timestamps. It uses Windows CAPI, NSS or Crypto++ for cryptographic services and hardware support.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 21
    DotNetWikiBot Framework

    DotNetWikiBot Framework

    Make robots for MediaWiki-powered sites!

    The DotNetWikiBot Framework was developed so that it can offer a helping hand with many complicated and routine tasks of wiki site development and maintenance. DotNetWikiBot Framework is a cross-platform full-featured client API, that allows you to build programs and web robots easily to manage information on MediaWiki-powered sites. DotNetWikiBot Framework can also be used for learning C# and .NET.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Scrolling Game Development Kit 2
    All-in-one program for creating 2D scrolling games. Compile your games into stand-alone .NET executables or customizable C# source code. The IDE and framework are build on OpenTK, which wraps OpenGL, so generated games can be cross-platform.
    Leader badge
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    AL-IV

    AL-IV

    ALFOUR Programming language. Simple, safe, power, multi-platform.

    A programming language AL-IV (ALFOUR) is a high-level imperative object oriented programming language with minimal introduction level, easy porting to any platform claiming a very high level of safety and stability, with a controllable level of code protection, high efficiency of an executable code, full independence from a target platform, minimal enter level.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 24
    Sort, filter and aggregate lists of business objects without all the boring code! This library provides a powerful "view" approach to data binding .NET objects to user interface controls.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    This project aims to produce an easily extendable platform for the .NET environment; it is based on the Eclipse architecture. You can also visit the project blog at http://eclipsedotnet.blogspot.com .
    Downloads: 3 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next