Top 4 C# Report Projects

QuestPDF

70 10,462 9.0 C#

QuestPDF is a modern open-source .NET library for PDF document generation. Offering comprehensive layout engine powered by concise and discoverable C# Fluent API. Easily generate PDF reports, invoices, exports, etc.

Project mention: How do you generate pdf files with charts? | /r/dotnet | 2023-06-21

QuestPDF looks really good (I haven't used it) but I believe they changed their license recently.

FastReport

6 2,548 7.4 C#

Free Open Source Reporting tool for .NET6/.NET Core/.NET Framework that helps your application generate document-like reports
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Report-From-DocX-HTML-To-PDF-Converter

0 301 0.0 C#

.NET Core library to create custom reports based on Word docx or HTML documents and convert to PDF
cervantes

1 250 7.1 C#

Cervantes is an open-source, collaborative platform designed specifically for pentesters and red teams. It serves as a comprehensive management tool, streamlining the organization of projects, clients, vulnerabilities, and reports in a single, centralized location. (by CervantesSec)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).