Top 20 NuGet basecamp Packages

Enables you to use standard drivers to connect to Basecamp objects. Just specify your credentials and access tables like Projects, Calendars, Documents, etc.
ASP.NET Core security middleware enabling Basecamp authentication.
https://raw.githubusercontent.com/nikkilocke/MattermostApi/master/README.md
Used with SimpleAuthentication, this adds additional provider support: 1. GitHub 2. Amazon 3. 37 Signals 4. LinkedIn 5. OpenId.
C# Net Core 3 wrapper for the Basecamp API
New Basecamp API wrapper for .NET
Middleware for OWIN to implement Basecamp OAuth Autharization