ASP.NET vs. Kestrel Comparison


ASP.NET Microsoft	Kestrel Microsoft	+	+
Learn More Update Features	Learn More Update Features	Add To Compare	Add To Compare


		Related Products RAD PDF Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE! 3 Ratings Visit Website Diplomat Managed File Transfer Diplomat MFT by Coviant Software is a secure, reliable managed file transfer solution designed to simplify and automate SFTP, FTPS, and HTTPS file transfers. Built for seamless integration, Diplomat MFT works across major cloud storage platforms, including AWS S3, Azure Blob, Google Cloud, Oracle Cloud, SharePoint, Dropbox, Box, and more. With over two decades of proven, breach-free performance, Diplomat MFT supports compliance with HIPAA, HITECH, GLBA, PCI/DSS, GDPR, and DORA. It features robust capabilities such as PGP encryption, multi-factor authentication, IP-based access rules, and built-in threat intelligence. If you're still relying on manual scripts or outdated FTP tools and you're concerned about audit failures, security gaps, or compliance risks, Diplomat MFT offers a scalable, secure solution you can trust. Start your free trial today. 59 Ratings Visit Website FusionAuth FusionAuth is a modern, developer-focused identity and access management platform built to give you full control over your authentication stack. Whether you’re building a startup app or managing enterprise-scale infrastructure, FusionAuth delivers all the must-have features — from login and SSO to advanced protocols like OAuth2, OIDC, SAML, and WebAuthn — in a self-hostable or cloud-native package. Designed with developers in mind, FusionAuth integrates seamlessly with any language, framework, or architecture. Every capability is API-first and built for extensibility, so you can tailor authentication workflows without getting locked into rigid, inflexible systems. FusionAuth supports all the key use cases — user registration, multi-factor authentication (MFA), passwordless login, role-based access control, and more — while helping you stay compliant with GDPR, HIPAA, PCI, and other regulatory standards. 192 Ratings Visit Website Clazar Clazar is the leading Enterprise Cloud GTM Platform that helps software companies build, operate, and scale their business across AWS, Azure, and Google cloud marketplaces. From listing to co-selling to revenue reconciliation and recognition, our platform helps companies streamline and automate their entire cloud sales journey from a single, unified platform—with zero operational overhead. Clazar is designed for organizations where cloud marketplaces are a strategic go-to-market channel with executive ownership, revenue targets, and cross-functional accountability. It is built for the controls that enterprise organizations require, with RBAC (role-based access control), SSO (single sign-on), multi-factor authentication, audit logging, zero-trust network security, and robust governance tools that give you complete transparency and control. Our platform integrates seamlessly with leading CRMs like Salesforce and HubSpot and complies fully with industry-leading privacy and security standards such as GDPR, SOC 2, ISO 27017, ISO 27018, and ISO 27701. Teams of any size or skill level can hit the ground running with our intuitive UI, smart automation and built-in guardrails. Our transparent pricing scales with you, with no hidden fees or revenue sharing. Over 300 top companies like Supabase, Zapier, Replit, and Perplexity trust Clazar to power their success on cloud marketplaces. 102 Ratings Visit Website Source Defense Source Defense is a mission critical element of web security designed to protect data at the point of input. The Source Defense Platform provides a simple and effective solution for data security and data privacy compliance – addressing threats and risks originating from the increased use of JavaScript, third-party vendors, and open-source code in your web properties. The Platform provides options for securing your own code, as well as addressing a ubiquitous gap in the management of third-party digital supply chain risk – controlling the actions of the third-party, fourth and nth party JavaScript that powers your site experience. The Source Defense Platform protects against all forms of client-side security incidents – keylogging, formjacking, digital skimming, Magecart, etc. – by extending web security beyond the server to the client-side (the browser). 7 Ratings Visit Website ESET PROTECT Advanced ESET Protect Advanced is a comprehensive cybersecurity solution designed for businesses of all sizes. It offers advanced endpoint protection against ransomware, zero-day threats, and sophisticated attacks with ESET LiveSense technology. It includes full disk encryption for legal compliance and data protection. The solution features proactive cloud-based threat defense using adaptive scanning, machine learning, cloud sandboxing, and behavioral analysis to prevent new threats. Mobile threat defense secures Android and iOS devices with anti-malware, anti-theft, and mobile device management. It also provides cloud app protection, mail server security, and vulnerability and patch management. Extended detection and response (XDR) enhances threat detection and response, while multi-factor authentication adds security. The solution offers single-pane-of-glass remote management for visibility into threats and users, along with advanced reporting and custom notifications. 2,332 Ratings Visit Website Cerberus FTP Server Cerberus FTP Server provides a secure and reliable file transfer solution for the demanding IT professional in any industry. Supporting SFTP and SCP, FTP/S, and HTTP/S, Cerberus is able to authenticate against Active Directory and LDAP, run as a Windows service, has native x64 support, includes a robust set of integrity and security features and offers an easy-to-use manager for controlling user access to files and file operations. - FTP/S, SCP, SFTP, HTTPS - SAML SSO - Active Directory & LDAP - Secure SSL Encryption - Two-Factor Authentication - IP Auto-Banning and Geoblocking - HIPAA Compliant - FIPS 140-3 Validated - Advanced Reporting - Comprehensive Auditing - Web File Transfer Client - Email Notifications - Event Support & Automation - File Retention Policies -Unlimited Connections -Virtual Directories -Users & Groups -Detailed Logs -Full IPv6 Support -FTP with TLS/SSL -SOAP control API -Web Administration -SSH2 SFTP and SCP -Public Key Authentication 159 Ratings Visit Website Apify Apify is a full-stack web scraping and automation platform helping anyone get value from the web. At its core is Apify Store, a marketplace with over 10,000 Actors where developers build, publish, and monetize automation tools. Actors are serverless cloud programs that extract data, automate web tasks, and run AI agents. Developers build them using JavaScript, Python, or Crawlee, Apify's open-source library. Build once, publish to Store, and earn when others use it. Thousands of developers do this - Apify handles infrastructure, billing, and monthly payouts. Apify Store has ready-made Actors for scraping Amazon, Google Maps, social media, tracking prices, lead-gen, and more. Actors handle proxies, CAPTCHAs, JavaScript rendering, headless browsers, and scaling. Everything runs on Apify's cloud with 99.95% uptime. SOC2, GDPR, and CCPA compliant. Integrate with Zapier, Make, n8n, and LangChain. Apify's MCP server lets AI like Claude dynamically discover and use Actors 1,800 Ratings Visit Website Nutrient SDK Nutrient is the comprehensive solution for all your PDF needs, offering tools that effortlessly integrate and operate PDF functionality across any platform. 1. SDK PRODUCTS Integrate robust PDF functionality into iOS, Android, Windows, web (JavaScript), or any cross-platform technology, providing capabilities such as PDF viewing, markup, collaboration, and more. 2. LIBRARIES Utilize our potent .NET and Java libraries to boost your backend applications with batch processing of redactions and PDF forms, OCR’d scanned text, and editing of PDF documents, directly from your application server. 3. PROCESSOR Our dynamic PDF microservice, Processor, enables swift generation of PDFs from HTML, including HTML forms, along with Office-to-PDF conversions, OCR, redaction, and XFDF merging and exporting. 4. PDF API Use hosted PDF API to generate, convert, and modify PDF documents in your workflows. We manage the development and server administration, letting you focus on what you do best. 113 Ratings Visit Website FormAssembly FormAssembly is an enterprise data collection and automation platform that enables organizations to capture clean, compliant data from the start. With the latest edition of the platform, FormAssembly Atlas, and its built-in AI assistant, Fai, forms and workflows build themselves, connect to Salesforce and other systems in just a few clicks, and ensure every record is structured, secure, and ready for automation or AI. In short, FormAssembly is designed to eliminate the manual work of form building and data cleanup. Collect, connect, and control AI-ready data faster than ever before. FormAssembly Atlas redefines enterprise data collection and automation. With your built-in AI assistant, Fai, you can instantly create branded, compliant forms, automate complex workflows, and connect clean, structured data across your entire tech stack. Ready to give FormAssembly a try? 525 Ratings Visit Website
About Blazor is a feature of ASP.NET for building interactive web UIs using C# instead of JavaScript. Blazor gives you real .NET running in the browser on WebAssembly. .NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications. ASP.NET supports industry standard authentication protocols. Built-in features help protect your apps against cross-site scripting (XSS) and cross-site request forgery (CSRF). ASP.NET provides a built-in user database with support for multi-factor authentication and external authentication with Google, Twitter, and more.	About Kestrel is a cross-platform web server for ASP.NET Core. Kestrel is the web server that's included and enabled by default in ASP.NET Core project templates. Kestrel supports HTTPS, HTTP/2 (except on macOS), Opaque upgrade used to enable WebSockets, Unix sockets for high performance behind Nginx. Kestrel is supported on all platforms and versions that .NET Core supports. Some browsers require granting explicit permission to trust the local development certificate. Project templates configure apps to run on HTTPS by default and include HTTPS redirection and HSTS support. The Kestrel web server has constraint configuration options that are especially useful in Internet-facing deployments. There's a separate limit for connections that have been upgraded from HTTP or HTTPS to another protocol (for example, on a WebSockets request). The default maximum request body size is 30,000,000 bytes, which is approximately 28.6 MB.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Developers looking for a framework for building web apps and services with .NET and C#	Audience Developers, web owners and organizations seeking a cross-platform web server for ASP.NET Core
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Microsoft Founded: 1975 United States dotnet.microsoft.com/en-us/apps/aspnet	Company Information Microsoft Founded: 1975 United States docs.microsoft.com/en-us/aspnet/core/fundamentals/servers/kestrel
Alternatives .NET Microsoft	Alternatives AIOHTTP
Blazor Microsoft	Cowboy 99s
Syncfusion Essential Studio Syncfusion, Inc.	Abyss Web Server Aprelium
Telerik DevCraft Progress Software	Socket.IO
ASP.NET Core Microsoft View All	Mako Server Real Time Logic LLC View All
Categories Development Frameworks Supported	Categories Web Servers Supported

Integrations ASP.NET Zero Supported Adaptive Web Hosting Supported AnyChart Supported BlazorPlate Supported CodeRush Supported E-ICEBLUE Supported Entity Framework Core Supported NexusDB Supported OnBarcode Supported PremierCashier Supported RadSystems Supported RunCode Supported Service Objects Name Validation Supported Service Objects Phone Validation Supported ShipFast ASP.NET Supported Snappytick Supported Sparrow SAST Supported dotTrace Supported iBOS Enterprise Supported Show More Integrations View All 64 Integrations	Integrations ASP.NET Zero Not Supported Adaptive Web Hosting Not Supported AnyChart Not Supported BlazorPlate Not Supported CodeRush Not Supported E-ICEBLUE Not Supported Entity Framework Core Not Supported NexusDB Not Supported OnBarcode Not Supported PremierCashier Not Supported RadSystems Not Supported RunCode Not Supported Service Objects Name Validation Not Supported Service Objects Phone Validation Not Supported ShipFast ASP.NET Not Supported Snappytick Not Supported Sparrow SAST Not Supported dotTrace Not Supported iBOS Enterprise Not Supported Show More Integrations View All 3 Integrations
Claim ASP.NET and update features and information Claim ASP.NET and update features and information	Claim Kestrel and update features and information Claim Kestrel and update features and information