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Tools built
to the millimeter

SaaS products built by AlcalSpark for specific trades. Every product starts from a real problem, on familiar ground.

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Tools built
for real trades

Estime

B2B SaaS — Construction trades
Available

Estime helps construction tradespeople generate Instagram posts from their job-site photos and automate Google review requests. Online reputation, without the effort.

Next.js Supabase Stripe Anthropic API
Discover Estime

Launch Your SaaS in 3 Weeks with Claude Code

PDF ebook (in French)

A practical guide for beginner developers and vibe coders. From idea to production, with no team and no funding.

  • 6 full chapters
  • Based on Estime's real build experience
  • Ready-to-use Claude Code prompts
  • Launch checklist included
One-time payment 17€
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AlcalSpark designs and builds SaaS for clients who have a clear idea and a real problem to solve. From mockup to deployment.

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