Open Source C# Authentication Software for Linux

Authenticator Pro is a free and open-source two-factor authentication app for Android. It features encrypted backups, icons, categories, a high level of customization, and even a Wear OS app. Unlike some alternative apps, Authenticator Pro gives you control over your data. You can import from other apps and export at any time. Authenticator Pro is a community-backed open-source project which aims to provide privacy and security to users. The source-code is auditable by anyone on GitHub and released under the GPL 3.0 license. The project has no corporate ties or interests but, rather has the purpose of providing a secure and private two-factor authentication solution to the privacy-conscious. Unlike alternative user-hostile applications, Authenticator Pro does not lock-in your data or communicate with distant servers. Everything is safely protected in the app and can be exported at any time.

An open source implementation of the FIDO2 protocol to support passwordless strong authentication using public-key cryptography. Supports registration, authentication (all platforms), and transaction authorization (for native Android apps).

LAT stands for LDAP Administration Tool. The tool allows you to browse LDAP-based directories and add/edit/delete entries contained within. It can store profiles for quick access to different servers. There are also different views available such as Users, Groups and Hosts which allow you to easily manage objects without having to deal with the intricacies of LDAP. Features include: User, Group Computer, and Contact views Directory browser Schema browser LDIF imports and exports Samba and Active Directory support Mass-edit support Plugin support for adding 3rd party views and attribute viewers Integration with GNOME

A C# module to allow ASP.Net sites to easily use the TypeKey authentication service.

Encode/Decode library to/from Basic Encoding Rules (BER) of ASN.1 written in Visual Basic .Net. Useful to implement any protocol that uses BER (LDAP, SNMP, etc.).

Bluetooth Personal Area Network client (PAN) with Support for RADIUS / Bluetooth Network Access Server (Point) (NAS / NAP) with Radius AAA. Project is supported by Nokia. Target BT stacks MS, Widcomm, BlueZ, Affix Blu(etooth) S(ymbian) PAN

IdentityServer is a free, open-source OpenID Connect and OAuth 2.0 framework for ASP.NET Core. Founded and maintained by Dominick Baier and Brock Allen, IdentityServer4 incorporates all the protocol implementations and extensibility points needed to integrate token-based authentication, single-sign-on and API access control in your applications. IdentityServer4 is officially certified by the OpenID Foundation and thus spec-compliant and interoperable. It is part of the .NET Foundation and operates under their code of conduct. It is licensed under Apache 2 (an OSI-approved license). Active development happens on the main branch. This always contains the latest version. Each (pre-) release is tagged with the corresponding version. The aspnetcore1 and aspnetcore2 branches contain the latest versions of the older ASP.NET Core based versions.

Easy and ready-to-use set of .Net Classes to implement LDAP applications (Servers and Clients). Included in the project: - Classes for all types of LDAP Requests and Responses; - Void Server and void Client Classes, ready for custom implementations.

Lightweight Authentication Module (LAM) is a language-neutral API allowing single-sign-on to be easily implemented across diverse applications. Provides authentication via CAS or other engines, and manages sessions. Client bindings in C#, Perl, or Java.

Likewise Open is an open source, community project sponsored by Likewise Software that integrates Linux, Unix and Mac platforms with Microsoft Active Directory. To download Likewise Open for free, go to http://www.Likewise.com/

This project will hold many subprojects all of them based on the .NET platform. The main purpose of this project is to keep the MVP comunity connected and working together in an open source project.

The OpenLDAP Extensible Management Agent (XMA) for Microsoft Identity Lifecycle Manager 2007 and Forefront Identity Manager 2010 will enable efficient two-way synchronization of identity information with the OpenLDAP directory.

TinyLDAP library and server from partially ported Apache Harmony

This is a squid external authentication helper to facilitate SSO, single sign on, with Novell's eDirectory. It's written in mono and uses LDAP to access the information stored in eDirectory.

XSDB XML is to DATA as HTML is to DOCUMENT. Publish and combine data as easily as HTML format and web browsers publish and view documents. Implementations in Python, javascript, java, C#/.NET.