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Alternatives

Products that do what G54.APP does

Fast interactive and free GCode preview

  1. 1
    GCodex2

    Free online G-Code viewer & simulator for CNC and 3D printer

    May 2026 · gcodex.tech

  2. 2
    1Code575

    Open source Cursor-like UI for Claude Code

    Jan 2026

  3. 3
    Replicas239

    Run Claude Code and Codex in the cloud

    Jun 2026 · replicas.dev

  4. 4

    Vision-to-code foundation model for real GUI automation

    Apr 2026

  5. 5AS

    Hi HN, author here. SHARP is Apple's recent single-image 3D Gaussian splatting model (https://arxiv.org/abs/2512.10685). Their reference code is PyTorch + a pretty heavy pipeline; I wanted to see if it could run in a browser with no server hop, so I exported the predictor to ONNX and ran it via onnxruntime-web with the WebGPU EP. What works: drop in an image, get a .ply you can download or preview live, all on your machine — your image never leaves the tab. The model is large (~2.4 GB sidecar) so first load is slow on a cold cache, but inference itself is a few seconds on…

    May 2026 · github.com

  6. 6
    Epho156

    Run Claude Code, Codex or Opencode in cloud with your repo

    16d ago · epho.io

  7. 71O

    Hi, we're Sergey and Serafim. We've been building dev tools at 21st.dev and recently open-sourced 1Code (https://1code.dev), a local UI for Claude Code. Here's a video of the product: https://www.youtube.com/watch?v=Sgk9Z-nAjC0 Claude Code has been our go-to for 4 months. When Opus 4.5 dropped, parallel agents stopped needing so much babysitting. We started trusting it with more: building features end to end, adding tests, refactors. Stuff you'd normally hand off to a developer. We started running 3-4 at once. Then the CLI became annoying: too many terminals, hard to…

    Jan 2026 · github.com

  8. 8

    An AI-enhanced map builder for any industry

    2025

  9. 9
    ZCode53

    The official harness for GLM-5.2

    Jul 2026 · zcode.z.ai

  10. 10

    A simple yet powerful 3D viewer for Google Drive and Gmail

    Jan 2026

  11. 11

    Secure code in less than 5 minutes for free

    2022

  12. 12GW
  13. 13

    Easy to use CNC software for makers, creators, and workshops

    Jul 2026 · gpathsoftware.com

  14. 14GU

    Gigacode is an experimental, just-for-fun project that makes OpenCode's TUI + web + SDK work with Claude Code, Codex, and Amp. It's not a fork of OpenCode. Instead, it implements the OpenCode protocol and just runs `opencode attach` to the server that converts API calls to the underlying agents. We build this to scratch our itch of being able to rapidly switch between coding agents based on the task at hand. For example, we find that: - Claude Code is the best executor & fast iterator - Codex (high) is the best for complex or long-running tasks - OpenCode for fine-tuned, do-exactly-as-I-say…

    Feb 2026 · github.com

  15. 15TA

    Hey HN, we're thrilled to announce the alpha launch of Traycer, our new AI-driven code reviewer that works in the background as you code. During this initial phase, Traycer is completely free until the end of June and will remain free indefinitely for all open-source projects. You can install Traycer from the VSCode marketplace (https://marketplace.visualstudio.com/items?itemName=Traycer....). Why Traycer? As developers, we know the challenge of ensuring code quality while balancing productivity. AI-powered code generators have simplified coding but often miss the nuances that…

    2024 · marketplace.visualstudio.com

  16. 16
    OB-111

    Free coding agent. No account, no card, no API key.

    Jul 2026 · overbrilliant.com

  17. 17

    Slice 3D Models to Gcode in browsers. No install, no upload.

    6d ago · slicer.kimgh06.com

  18. 18
    Ercc3

    155+ free online tools, all run locally in browsers

    27d ago · ercc.cc

  19. 19

    An open-source IDE for coding with AI agents

    Aug 2026 · github.com

  20. 20

    Free online tools for PDF, images, QR codes and more

    Jul 2026 · iliketool.com

  21. 21

    Drive your coding agent from anywhere, zero install

    Jul 2026 · handmux.com

  22. 22

    Voice-to-G-code CNC, from idea to carve!

    9d ago · turbostl.com

  23. 23

    Cozy 2D pixel office for OpenCode AI agents

    Jun 2026 · github.com

  24. 24

    60+ free browser tools — no signup, no uploads, 100% private

    Jun 2026 · multi-toolkit.com

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