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Solo OS
Professional tools to secure your freelance business.
Solo OS is a scalable, zero-backend platform for the global freelance economy. By processing contracts 100% client-side, we eliminate cloud server costs to create an infinite-margin moat. Features: • Interactive Bento Proposals (clients toggle scope & pricing) • Free Draft Watermarker • Professional Invoices & SOWs • Escalation Emails & Legal Notice. • Local E-Signatures Your data never leaves your device. Use the free tools forever, or pay a tiny flat fee per premium document.
Hey Product Hunt! 👋 I'm the maker behind Solo OS.
When you are handling unreleased client branding, financial data, or strict NDAs, the last thing you should do is upload those assets to a third-party server. Yet, the freelance industry relies heavily on cloud-based SaaS tools that do exactly that—and charge a $15/month subscription for the privilege.
I wanted a professional, privacy-first alternative. So, I built Solo OS.
It is a 100% client-side, zero-backend toolkit for freelancers. Built entirely on React, Vite, and local browser memory, your files and client data never leave your machine. Because there is no database hoarding your data and my server costs are exactly ₹0, I completely threw out the traditional SaaS subscription model.
The Toolkit:
Interactive Bento Proposals: Build stunning, modular HTML proposals where clients can toggle add-ons and watch the total price update dynamically.
Local E-Signatures: Sign contracts and SOWs entirely client-side using HTML5 Canvas and in-browser PDF generation.
The Local Watermarker (Free): Instantly tile "UNPAID DRAFT" across your images to protect your work, processed entirely on your GPU.
Frictionless Invoicing: Generate professional PDFs with embedded payment links/UPI QR codes.
The Business Model: No MRR. No account required. The watermarker is completely free, and you pay a tiny, flat fee (₹29) via a guest checkout only when you actually need to export a premium legal document.
I would love to hear the community's thoughts on the zero-backend architecture and the interactive HTML proposal builder.
Try running a heavy PDF through the local watermarker and let me know how it performs! Cheers!
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About Solo OS on Product Hunt
“Professional tools to secure your freelance business.”
Solo OS was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #100 on the daily leaderboard. Solo OS is a scalable, zero-backend platform for the global freelance economy. By processing contracts 100% client-side, we eliminate cloud server costs to create an infinite-margin moat. Features: • Interactive Bento Proposals (clients toggle scope & pricing) • Free Draft Watermarker • Professional Invoices & SOWs • Escalation Emails & Legal Notice. • Local E-Signatures Your data never leaves your device. Use the free tools forever, or pay a tiny flat fee per premium document.
Solo OS was featured in Productivity (650.7k followers), Freelance (31.1k followers) and Tech (622.5k followers) on Product Hunt. Together, these topics include over 295.6k products, making this a competitive space to launch in.
Who hunted Solo OS?
Solo OS was hunted by Keshav Gupta. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Solo OS stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Keshav Gupta