Exceptionless.AspNetCore by: Exceptionless
  • 794 total downloads
  • Latest version: 4.0.1955
  • ASP.NET Exceptionless Error Report Reporting Exception Logging Log ELMAH
Exceptionless client for ASP.NET Core. Exceptionless is a cloud based error reporting service that sends your exceptions to https://exceptionless.com and provides aggregated views and analytics.
FastReport.DataVisualization by: Fast Reports Inc.
  • 6.42k total downloads
  • Latest version: 2024.1.0
  • Chart WinForms Windows-Forms-DataVisualization DataVisualisation Data Visualization
Charting library
FastMember by: Marc Gravell
  • 188 total downloads
  • Latest version: 1.3.0
  • Reflection Dynamic Member Access
In .NET reflection is slow... well, kinda slow. If you need access to the members of an arbitrary type, with the type and member-names known only at runtime - then it is frankly hard (especially for DLR types). This library makes such access easy and fast.
FastEndpoints by: FastEndpoints
  • 2.497k total downloads
  • Latest version: 5.18.0.2-beta
  • http rest rest-api web-api webapi aspnet aspnetcore dotnet6 minimal-api vertical-slice-architecture repr-pattern
A light-weight REST Api framework for ASP.Net 6 and newer that implements REPR (Request-Endpoint-Response) Pattern.
FastReport.Core.Skia.Demo by: Fast Reports Inc.
  • 680 total downloads
  • Latest version: 2025.2.4
  • reporting reports pdf html mvc core
FastReport.Core — is a full-featured reporting solution for .NET. It contains: - visual designer; - connection to 20+ databases; - export to 45 data formats; - support for SQL queries; - dialogue forms; - 40 types of barcodes; - geographic maps; - support for 48 languages; - integration into cloud services. FastReport.Core works with ADO .NET data sources. It supports data sorting and filtering, master-detail relationships. Everything can be configured with a few mouse clicks. Connect to ADO, MS SQL, XML databases or get information from IEnumerable type business objects. FastReport.Core supports exporting to various popular formats such as PDF, RTF, XLS, XML, DOCX, TXT, CSV, PowerPoint, HTML, MHT, XPS, JPEG, BMP, TIFF, PNG, Open Document Format (ODT, ODS, ODP), XAML, Scalable Vector Graphics (SVG), DBF, PPML and so on. The full version of the package is available in FastReport .NET at https://www.fast-report.com/en/fast-report-net-editions-compare/
FakeItEasy by: Patrik Hägne FakeItEasy contributors
  • 1.387k total downloads
  • Latest version: 7.4.0
  • TDD unittesting mocks mocking fakes faking stubs stubbing spy spies doubles isolation substitutes substitution
It's faking amazing! The easy mocking library for .NET that works great in C# and VB.NET alike. No need to know the difference between a stub, a mock or a spy, everything's a fake! The easy to use, refactoring friendly API makes faking a breeze.
Fare by: Nikos Baxevanis
  • 157 total downloads
  • Latest version: 2.2.1
  • Regex Test NFA DFA Automaton
.NET port of dk.brics.automaton - Project Fare is an effort to bring a DFA/NFA (finite-state automata) implementation from Java to .NET. There are quite a few implementations available in other languages today. This project aims to fill the gap in .NET.
ExcelNumberFormat by: ExcelNumberFormat developers
  • 226 total downloads
  • Latest version: 1.1.0
  • excel formatting numfmt formatcode
.NET library to parse ECMA-376 number format strings and format values like Excel and other spreadsheet softwares.
FastReport.Core by: Fast Reports Inc.
  • 2.381k total downloads
  • Latest version: 2025.2.4-demo
  • reporting reports pdf html mvc core
FastReport.Core — is a full-featured reporting solution for .NET and .NET Framework. It contains: - visual designer; - connection to 20+ databases; - export to 45 data formats; - support for SQL queries; - dialogue forms; - 40 types of barcodes; - geographic maps; - support for 48 languages; - integration into cloud services. FastReport.Core works with ADO .NET data sources. It supports data sorting and filtering, master-detail relationships. Everything can be configured with a few mouse clicks. Connect to ADO, MS SQL, XML databases or get information from IEnumerable type business objects. FastReport.Core supports exporting to various popular formats such as PDF, RTF, XLS, XML, DOCX, TXT, CSV, PowerPoint, HTML, MHT, XPS, JPEG, BMP, TIFF, PNG, Open Document Format (ODT, ODS, ODP), XAML, Scalable Vector Graphics (SVG), DBF, PPML and so on. The full version of the package is available in FastReport .NET at https://www.fast-report.com/en/fast-report-net-editions-compare/
FastExpressionCompiler by: Maksim Volkau
  • 881 total downloads
  • Latest version: 4.2.0
  • Performance Expression ExpressionTree Compile DynamicMethod IL ILEmit DryIoc ExpressionToCodeLib
FastExpressionCompiler is 10-40x times faster than Expression.Compile()
Esprima by: Sebastien Ros
  • 43 total downloads
  • Latest version: 1.0.1258
  • javascript parser
Standard-compliant ECMAScript 2016 parser (also popularly known as JavaScript or ES6).
FastReport.Compat by: Fast Reports Inc.
  • 6.38k total downloads
  • Latest version: 2024.1.0
  • reporting reports pdf html mvc docx xlsx Core
Common compatible types for FastReport .Net, Core and Mono
FastMember.Signed by: Marc Gravell
  • 106 total downloads
  • Latest version: 1.3.0
  • Reflection Dynamic Member Access
In .NET reflection is slow... well, kinda slow. If you need access to the members of an arbitrary type, with the type and member-names known only at runtime - then it is frankly hard (especially for DLR types). This library makes such access easy and fast.
ExpressionToCodeLib by: Eamon Nerbonne
  • 16 total downloads
  • Latest version: 2.7.0
  • code-generation NUnit xUnit.NET mstest expression-tree unit-test PowerAssert ExpressionToCode
Generates valid, readable C# from an expression tree, and can annotate that code with runtime values. Useful for e.g. code generation and unit testing assertions.
Exceptionless.NLog by: Exceptionless
  • 1.939k total downloads
  • Latest version: 4.4.1
  • NLog Target Exceptionless Error Report Reporting Exception Logging Log ELMAH
NLog target that sends log entries to Exceptionless. Exceptionless is a cloud based error reporting service that sends your exceptions to https://exceptionless.com and provides aggregated views and analytics.
Exceptionless by: Exceptionless
  • 6.661k total downloads
  • Latest version: 6.1.0
  • Exceptionless Error Error-Handling Error-Handler Error-Reporting Error-Management Error-Monitoring Handling Management Monitoring Report Reporting Crash-Reporting Exception Exception-Handling Exception-Handler Exception-Reporting Exceptions Log Logs Logging Unhandled Unhandled-Exceptions Feature Configuration Debug FeatureToggle Metrics ELMAH Console Services
Exceptionless is a cloud based error reporting service that sends your exceptions to https://exceptionless.com and provides aggregated views and analytics.
Exceptionless.Portable by: Exceptionless
  • 1.8k total downloads
  • Latest version: 4.3.2027
  • Exceptionless Error Report Reporting Exception Logging Log ELMAH pcl
[DEPRECATED] Please install the Exceptionless package instead.
ExtendedNumerics.BigDecimal by: Adam White Jan Christoph Bernack Rick Harker
  • 363 total downloads
  • Latest version: 3000.0.4.132
  • math mathematics arbitrary-precision floating-point decimal arithmetic trigonometry logarithms numerics numbers biginteger bigdecimal hyperbolic inverse trigonometric sine cosine tangent secant circular angles sin cos tan mantissa exponent floating point base10 csharp
An arbitrary precision decimal (base 10) floating point number type using a mantissa and exponent. Supports nth roots, trigonometric functions, logarithms, natural e, pi, etc.
FastReport.Core.Skia by: Fast Reports Inc.
  • 86 total downloads
  • Latest version: 2023.2.1
  • reporting reports pdf html mvc core
FastReport.Core.Skia is a full-featured reporting solution for .Net Core and .Net Framework. Various report objects will allow your report to look exactly how you want it to: 13 types of bands, 25 types of barcodes, table object, diagram, maps, shapes, line, PolyLine, Polygon and many more. FastReport.Core supports export to various popular formats, such as PDF/A, Excel, Word, Open Office, HTML, CSV, Json, XAML, ZPL, etc.
FastExpressionCompiler.src by: Maksim Volkau
  • 201 total downloads
  • Latest version: 4.2.0
  • Performance Expression ExpressionTree Compile DynamicMethod IL ILEmit DryIoc ExpressionToCodeLib
FastExpressionCompiler is 10-40x times faster than Expression.Compile()