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Run your client business from one workspace — projects, client portals, proposals, invoices, payments & AI reports. Built for freelancers & agencies. Start free.

Website, pricing, platforms and company facts side by side.
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| Website | opalstack.com | clientdeck.pro |
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| Platforms | — | |
| Company | — | Startup from India · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Opalstack yet.
ClientDeck is an all-in-one client operating system built for freelancers, agencies and consultants who want to manage their entire business from a single platform. Instead of juggling separate tools for CRM, project management, proposals, invoicing, client portals and financial reporting,...
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As answered by people managing Opalstack and ClientDeck.pro.
ClientDeck.pro's answer:
ClientDeck is a true "client operating system", it replaces a stack of disconnected tools by bringing projects, client portals, proposals, invoices, payments, file sharing, time tracking, and AI client reports into one premium workspace. Unlike most alternatives, it works worldwide with native multi-currency and multiple payment gateways (Stripe, PayPal, Razorpay), charges zero transaction fees (you connect your own merchant account), and includes branded client portals and invoicing on every plan — starting free, with paid tiers from $9/mo and no per-user pricing.
ClientDeck.pro's answer:
Most client-management tools are expensive, US-centric, or charge per user. ClientDeck is flat and affordable (free plan, paid from $9/mo, no per-seat fees), works worldwide while HoneyBook is US/Canada-only, and supports native multi-currency. It puts branded client portals, e-signable proposals, and invoicing on the entry tier, adds white-label portals with a custom domain on Pro, charges zero transaction fees, and generates AI client reports — all in a clean, modern interface that's faster to set up than Dubsado.
ClientDeck.pro's answer:
Freelancers, solopreneurs, and small-to-midsize agencies in client-facing service industries — marketing and digital agencies, web design and development studios, creative and branding studios, consultants, and coaches across North America and Europe — who juggle multiple clients and projects and want one workspace instead of a stack of tools. Typical buyers are agency owners, freelancers, and account/project managers.
ClientDeck.pro's answer:
ClientDeck was born out of the frustration of running a client business across a dozen disconnected tools, one app for proposals, another for invoices, a third for files, and endless email threads for updates. We set out to build a single, premium client operating system where freelancers and agencies could manage the entire client relationship like proposal, project, portal, invoice, and payment in one place, without enterprise complexity or per-user pricing.
ClientDeck.pro's answer:
A modern web app built with React (Vite) and Tailwind CSS, backed by Supabase (PostgreSQL, authentication, storage, and serverless functions), and deployed on Vercel. Payments run through Stripe, PayPal, and Razorpay, with integrations for Slack, Google Calendar, Google Drive, QuickBooks, and Xero.
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