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Stampwerk
AI proposals + invoicing for freelancers at $12/mo
HoneyBook hiked prices 89%. AND.CO shut down. Bonsai got acquired. Three freelancer tools died in two months. Stampwerk replaces the 80% that matters at $12/mo instead of $59. AI writes full proposals from 5 inputs. Not template-fill. Structured output from Llama 3.3 70B. Accepted proposal auto-generates a contract. Signed contract auto-creates a Stripe invoice. Overdue? A 3-step daemon sends escalating reminders so you never chase clients. 30-second onboarding. Free tier included.
I built Stampwerk because I was paying $29/mo for HoneyBook and using two features: proposals and invoice reminders. That's it. Two features out of fifty.
Then HoneyBook hiked to $59/mo. AND.CO shut down the same month. Bonsai got acquired by Zoom. Three displacement events in sixty days.
Dubsado is so complex that people charge $500-3,500 just to set it up. That tells you everything about how broken this market is.
Stampwerk does four things well:
1. AI proposals -- answer 5 questions, get a structured proposal with scope, timeline, and pricing
2. Auto-generated contracts from accepted proposals
3. Stripe invoicing with payment links
4. A follow-up daemon that chases overdue invoices in 3 escalating steps
$12/mo. Free tier: 5 proposals and 5 invoices/month. No credit card required.
The AI follow-up daemon is the part nobody else has. Most tools make you manually "send reminder." Stampwerk sends a friendly nudge at 3 days, a firmer reminder at 7, and a final notice at 14. Configurable per client.
Built with FastAPI + Next.js. The AI runs on Groq (Llama 3.3 70B) -- fast inference, low cost, no OpenAI dependency.
https://stampwerk.com
About Stampwerk on Product Hunt
“AI proposals + invoicing for freelancers at $12/mo”
Stampwerk was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #184 on the daily leaderboard. HoneyBook hiked prices 89%. AND.CO shut down. Bonsai got acquired. Three freelancer tools died in two months. Stampwerk replaces the 80% that matters at $12/mo instead of $59. AI writes full proposals from 5 inputs. Not template-fill. Structured output from Llama 3.3 70B. Accepted proposal auto-generates a contract. Signed contract auto-creates a Stripe invoice. Overdue? A 3-step daemon sends escalating reminders so you never chase clients. 30-second onboarding. Free tier included.
On the analytics side, Stampwerk competes within Productivity, Freelance and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Stampwerk performed against the three products that launched closest to it on the same day.
Who hunted Stampwerk?
Stampwerk was hunted by Alex la Guardia. 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.
For a complete overview of Stampwerk including community comment highlights and product details, visit the product overview.
Alex la Guardia