Software Alternatives, Accelerators & Startups

Spark.NET

The .NET Web Framework for Makers.

Spark.NET

Spark.NET Alternatives & Competitors

The best Spark.NET alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. An open source Webflow alternative .

    Key Webstudio.is features:

    User-Friendly Interface Responsive Design Customizable Templates Integrated Tools

    Open Source freemium $20.0 / Monthly

    /webstudio-is-alternatives
  2. The Open Source DocuSign Alternative.

    Key Documenso features:

    User-Friendly Interface Integration Capabilities Security Features

    Open Source

    /documenso-alternatives
  3. Prompt organization and AI enhancement. Engineer prompts with 1 click.

    Key Promptaa features:

    AI Enhance AI XML Enhance Version History Categories

    Visit website freemium $5.0 / Monthly (Pro)

    Visit website
  4. A Powerful API Mocking and Testing Tool.

    Key Requestly features:

    Redirect URL Block Network Requests Modify Request & Response Header Modify Response

    Open Source freemium

    /requestly-alternatives
  5. Kickstart enterprise development with Next.js Starter Kit.

    /enterprise-ready-saas-starter-kit-alternatives
  6. Build custom financial dashboards and reports in minutes.

    Open Source

    /openbb-software-development-kit-alternatives
  7. Build websites quick and easy with the magic of AI, ease of UI and the potential of code.

    free

    /palet-design-alternatives
  8. A small framework for server-rendered universal JavaScript apps.

    Key Next.js features:

    Server-Side Rendering (SSR) Static Site Generation (SSG) API Routes File-Based Routing

    Open Source

    /next-js-alternatives
  9. 🔥 Design real websites right on the canvas.

    Key Framer features:

    Interactive Prototyping Code-based Design Real-time Collaboration Rich Component Library

    Open Source

    /framer-alternatives
  10. Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.

    Key AppWrite features:

    Open Source Self-Hosted Comprehensive Backend Multi-Language Support

    Open Source

    /appwrite-alternatives
  11. Cal.com (formerly Calendso) is the open source Calendly alternative.

    Key Cal.com features:

    Customizable Open-source Integrations User-friendly Interface

    Open Source

    /cal-com-alternatives
  12. iOS apps animated user flows.

    Key UX Archive Animated features:

    Comprehensive Collection Visual Clarity Categorization High-Quality Content

    /ux-archive-animated-alternatives
  13. Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.

    Key Mockoon features:

    User-Friendly Interface Quick Setup Open Source Cross-Platform Support

    Open Source paid Free Trial $15.0 / Monthly (5 API mocks synchronized accross your devices, 1 mock deployed)

    /mockoon-alternatives
  14. Privacy-focused surveys, polls & forms.

    Key BlockSurvey features:

    Privacy Data Ownership Anonymity Decentralization

    paid Free Trial $10.0 / Monthly

    /blocksurvey-alternatives
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