Top 12 Svelte open-source Projects
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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leed_pdf_viewer
Open-source PDF annotation and drawing tool built for privacy. Sketch and annotate PDFs with natural pen-like precision, drawing tablet support. SvelteKit + Tauri.
Project mention: Building a lightweight, offline screenshot beautifier in Rust | dev.to | 2026-04-07Over the past year, I built two open-source projects, LeedPDF and Glucose Video Player. They ended up getting way more love than I ever expected, especially from the PC crowd. That response validated something I've felt for a long time: a lot of us like being on Windows, but we are starved for high-quality, UX-focused desktop apps.
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phantasm
Toolkits to create a human-in-the-loop approval layer to monitor and guide AI agents workflow in real-time.
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mqtt-viewer
The modern and open-source MQTT debugging and visualisation tool for Windows, Mac and Linux.
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DevCanvas
An online editor with super powers, fast preview, plugins and super cool library of cool Frontend creations for your inspiration.
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Project mention: Show HN: CloakBin – Zero-knowledge encrypted pastebin (open source) | news.ycombinator.com | 2026-01-10
I built an open source pastebin where even I can't read the data.
How it works:
- AES-256-GCM encryption runs client-side in your browser
- The key lives in the URL fragment (#key) – browsers never send fragments to servers
- Server only stores encrypted blobs
The URL fragment trick isn't something I invented – it's just how HTTP works. The # and everything after it never leaves your browser. Check your network tab.
Built with SvelteKit, MongoDB, and the Web Crypto API.
Live: https://cloakbin.com
Source: https://github.com/ishannaik/cloakbin
Would appreciate feedback on the encryption approach or any security holes I might've missed.
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cypherflow_ai
CypherFlow.ai is a cutting-edge Open Source platform providing private, AI conversations powered by Bitcoin micropayments. Experience uncensored AI access with true data ownership and financial autonomy.
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Project mention: Show HN: Flow Timer – A simple sequential timer without bloat for timeboxing | news.ycombinator.com | 2026-05-07
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mbot
A starter template for an AI-powered chat applications with Svelte-Typescript JS (frontend), Python FastAPI (backend), and OpenAI integration. Perfect for startups, developers, and hobbyists looking to create interactive chat experiences or experiment with modern web frameworks. (by mthomason)
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Index
What are some of the best open-source open-source projects in Svelte? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | oss-weather | 431 |
| 2 | leed_pdf_viewer | 419 |
| 3 | phantasm | 192 |
| 4 | Notpad | 182 |
| 5 | mqtt-viewer | 104 |
| 6 | postowl | 104 |
| 7 | DevCanvas | 38 |
| 8 | CloakBin | 24 |
| 9 | cypherflow_ai | 20 |
| 10 | Portfolio-Template | 18 |
| 11 | flow-timer | 1 |
| 12 | mbot | 1 |
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