Apps with 'WebAssembly' feature

All apps in Apps with 'WebAssembly' feature category. Use the filters below to narrow down your search. 
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  1. Harper icon
     13 likes

    Harper is an English grammar checker designed to be just right. I created it after years of dealing with the shortcomings of the competition.

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • WebAssembly
    • Visual Studio Code
    • Mac
    • Linux
    • Windows
    • Homebrew
    • Neovim
    Harper screenshot 1
    64 alternatives
  2. libSQL icon
     3 likes

    We aim to evolve it to suit many more use cases than SQLite was originally designed for, and plan to use third-party OSS code wherever it makes sense.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
    libSQL screenshot 1
    2 alternatives
  3. Free video converter that runs in your browser — no uploads, 100% private. Powered by FFmpeg WebAssembly. 20+ formats, quality presets, device profiles.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
    • Online
    Audio bitrate settings: Auto, 320kbps, 256kbps, 192kbps, 128kbps
    Conversion complete: 86% file size reduction, 11.3 MB output
    Real-time conversion progress with speed and time remaining
    +8
    10 device profiles: iPhone, Android, YouTube, TikTok, Instagram, WhatsApp
    3 alternatives
  4. CheerpX For Flash is a long-term HTML5 solution for preserving accessibility to Flash applications on modern unmodified browsers.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Google Chrome
    • Software as a Service (SaaS)
    • Firefox
    CheerpX for Flash screenshot 1
    CheerpX for Flash screenshot 1
    CheerpX for Flash screenshot 2
    7 alternatives
  5. OpenSilver icon
     4 likes

    OpenSilver is a modern, plugin-free, open-source reimplementation of Microsoft Silverlight , that runs on current browsers via WebAssembly. It uses Mono for WebAssembly and Microsoft Blazor. It brings back the power of C#, XAML, and .

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
    OpenSilver screenshot 1
    4 alternatives
  6. Fluvio icon
     1 like

    An open-source data streaming platform with in-line computation capabilities. Apply your custom programs to aggregate, correlate, and transform data records in real-time as they move over the network.

    Cost / License

    Platforms

    • Mac
    • Linux
    • Software as a Service (SaaS)
    Fluvio screenshot 1
    Fluvio screenshot 1
    8 alternatives
  7. Pollen is a self-organising mesh and WASM runtime written in pure Go. Workloads are "seeded" into the cluster and organically scale and follow load. There is no central coordinator; decisions are made deterministically, locally, using a gossiped CRDT runtime state as...

    Cost / License

    Platforms

    • Go (Programming Language)
    • Mac
    • Linux
    • BSD
    • Windows
    Pollen Runtime screenshot 1
    Pollen Runtime screenshot 1
    Pollen Runtime screenshot 2
    +1
    Pollen Runtime screenshot 3
    1 alternatives
  8. nuPSX icon
     1 like

    nuPSX is an experimental PlayStation 1 emulator and debugger written in Zig, built as a learning exercise to explore Zig's capabilities and PSX hardware architecture. Still in early development with no intention of becoming usable by the general public.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Linux
    • Mac
    nuPSX screenshot 1
    nuPSX screenshot 1
    nuPSX screenshot 2
    +2
    nuPSX screenshot 3
    6 alternatives
  9. Pyodide icon
     2 likes

    Pyodide is a Python distribution for the browser and Node.js based on WebAssembly.

    Cost / License

    Platforms

    • Self-Hosted
    • Docker
    • Python
    • Online
    8 alternatives
  10. Glicol icon
     2 likes

    Glicol is a computer music language with both its language and audio engine written in Rust . Given its low-level nature, Glicol can run on many different platforms such as browsers, VST plugins and Bela board.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Self-Hosted
    Glicol screenshot 1
    20 alternatives
  11. 	Lokaltools icon
     1 like

    Lokaltools is a privacy-first, browser-based toolkit with 100+ tools across 8 categories. Everything runs entirely in your browser using WebAssembly — no files are ever uploaded to a server, no account is required, and nothing ever leaves your device.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Mac
    • Windows
    	Lokaltools screenshot 1
    	Lokaltools screenshot 1
    	Lokaltools screenshot 2
    +5
    	Lokaltools screenshot 3
    110 alternatives
  12. CheerpX icon
     1 like

    CheerpX is an x86 virtualization technology for running executables and operating systems entirely client-side. It’s an always available, zero-cost virtual machine with guaranteed data privacy, powered by a WebAssembly JIT engine.

    Cost / License

    • Free Personal
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • WebAssembly
    CheerpX screenshot 1
    58 alternatives
  13. Nevron Open Vision for .NET is a suite of advanced UI components that helps you develop feature-rich Web (Blazor WebAssenbly) and Desktop (WinForms, WPF, Xamarin.Mac) applications from a single code base.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    Nevron Open Vision for .NET screenshot 1
    Nevron Open Vision for .NET screenshot 1
    Nevron Open Vision for .NET screenshot 2
    +5
    Nevron Open Vision for .NET screenshot 3
    56 alternatives
  14. PrivAudio icon
     1 like

    PrivAudio is a privacy-first audio converter that runs entirely in your web browser. Unlike traditional online converters that upload your files to remote servers, PrivAudio processes everything locally on your device using WebAssembly.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    PrivAudio homepage showing the browser-based audio converter interface. Users can convert audio and video files (MP4, WEBM, MOV,
  M4A, OGG, WAV) to MP3, M4A, WAV, or OGG formats. All processing happens locally in the browser using WebAssembly (files never leave  your device).
    Detailed view of PrivAudio's format selection interface. Shows the four output format options (MP3, M4A, WAV, OGG) with descriptions of each format's use case.
     Privacy comparison table highlighting PrivAudio's key differentiator: 100% local file processing. It compares PrivAudio against traditional online converters across four privacy dimensions: File processing (100% in browser), File Storage (never stored), Processing Speed (fast browser-based vs upload+queue+download), and Network Upload (0 bytes uploaded).
    +1
    PrivAudio mobile interface showing responsive design optimized for smartphones and tablets. The converter works identically across all devices (iOS, Android, or any platform with a modern browser).
    53 alternatives
  15. ComputeKit icon
     1 like

    The React-first toolkit for WASM and Web Workers. Run heavy computations with React hooks. Use WASM for native-speed performance. Keep your UI at 60fps.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • React
  16.  Like
    • Lightning Speed: Sycamore harnesses the full power of Rust via WebAssembly, giving you full control over performance.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    36 alternatives
  17. snapCAD icon
     Like

    Open, edit, and save DWG and DXF files directly in your browser. Familiar CAD commands, real file fidelity, no desktop install.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Editing a 1920s Ford Model T chassis drawing — multiple layers (chassis, body, drivetrain, seats), OFFSET command active. SnapCAD opens real-world DWG files with full layer fidelity.
    Three-view engineering drawing of a cast iron pillow block — top, front, and right elevations with dimensions, notes, and centre lines. Native DWG, opened in a browser tab.
    Fabrication drawing for a 3mm mild steel bracket — dimensions, hole callouts, bend lines, and material notes. Selected circle's properties shown in real time.
  18. Turso icon
     Like
    • SQLite compatibility for SQL dialect, file formats, and the C API [see document for details]

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Online
    • Self-Hosted
    Turso screenshot 1
    Turso screenshot 1
    Turso screenshot 2
    +1
    Turso screenshot 3
    2 alternatives
  19. Ambedo icon
     Like

    Ambedo is a free, browser-based bulk metadata editor. It lets you batch edit, strip, and organize metadata across hundreds of video, audio, and image files simultaneously — without uploading anything to a server.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Main Dashboard & File Upload Interface.
The primary landing page for Ambedo Bulk Metadata Editor, showcasing its clean and modern browser-based interface.
    Core Metadata Editor with Auto-Tagging.
This view demonstrates the core editing workflow for a selected audio file (Roddy Ricch's "The Box").
    File Selection and Large Preview View.
This screenshot shows the workflow after files have been uploaded. It displays the multi-file selection list (indicated by checkboxes) alongside a large, high-quality preview of the currently selected image.
    +4
    Advanced: Location Data, Custom Tags, and Metadata Stripping (image_0.png)
It features a clear pink alert banner confirming the "Metadata will be stripped on export" functionality, a crucial privacy feature for sanitizing files.
    16 alternatives
  20. Yoke icon
     Like

    The Yoke Project is a set of tools for working with package management differently than the status quo. Where once only YAML and templates of YAML ruled the representation of Kubernetes resources and the packages thereof, we can now work with code and benefit from native control...

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Linux
    • Windows
    15 alternatives
  21. Ribir icon
     Like

    Ribir is a Rust GUI framework that helps you build beautiful and native multi-platform applications from a single codebase.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    Ribir screenshot 1
    15 alternatives