When we hit the same problem on enough client projects, we build a tool for it. The good ones become real products we maintain and sell. Several are live today; we link to them here so you can find them, and because we’re proud of them.
Most firms have a beautiful letterhead PDF a designer made years ago — and nobody can actually use it as a Word document. LetterheadLab converts that PDF into a real, editable .docx with the logo, address, fonts, and page numbers in the right places. No design tool required.
Photographers were emailing PDFs back and forth, losing releases between phone and laptop, and chasing signatures days after the shoot. SignedShoot is the on-device release flow we wished existed — built for weddings, portrait sessions, and commercial work, with bilingual templates and a backend that keeps every signed release organized.
Short-term-rental guests sign a timestamped acknowledgment of your house rules and itemized fees before they arrive — on a phone, in about 90 seconds, no app to install. The output is a PDF certificate with an audit trail and content hash that AirCover, insurers, and small-claims courts actually accept as evidence.
Print shops sit on press-ready PDFs — business cards, letterheads, badges — and re-edit every variant by hand. StackFill turns the approved file into a hosted fill link where a customer personalizes only the fields you unlock, then downloads a print-grade CMYK PDF that matches the original exactly. No rebuilding the design in another tool.
Most digital-card apps make the person you just met sign up for an account before they can save your number — turning your card into a lead funnel for the tool. BeamHello does the opposite: the recipient opens a link, sees who you are, saves the contact, and moves on. No app, no signup. Branded per firm, managed centrally, with HubSpot sync for teams.
Running WordPress sites and Odoo systems for clients is operator work — you learn what actually breaks, what people will pay to avoid, and what a quiet weekend feels like. Building products is the other half of that loop. It forces us to live with our own choices, eat our own monitoring, and explain our own pricing.
Everything we put on the Labs page is something we use ourselves or built because a client kept asking. If you find one of them useful, that’s the best feedback we can get.
If you have a repeated workflow that should be a small tool instead, that’s a Propel conversation.
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