Decidr

What it does

Automation teams waste weeks building ROI models in Excel. Consultants charge $10k per study. Vendor calculators are biased. Decidr solves this: 5-minute assessments with transparent calculations finance teams trust. 8 templates covering 70% of use cases, conservative estimates (low/medium/high ranges), complete audit trails. Multi-tenant B2B SaaS built on Flutter+Firebase. Stripe integrated, payment-ready. Pre-revenue (never launched) but production-complete.

• SP
  Side project passed $2.5k/mo revenue after 2 years (Phoenix and Vue)2021 · ▲381

  Several years ago, I had a client whose salespeople were using Excel to generate sales proposals. This was inefficient and the resulting documents looked awful, so I developed a new process for them using a no-code platform. It featured a web form that was tied to a workflow engine, and a fancy PDF got emailed to the customer to sign. When the client loved the solution, I knew I was on to something. However, the no-code platform wasn't very customizable, so I decided to rebuild the process as a SaaS product. The client's CTO wanted in and we became cofounders. Today, we passed the…

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  Approveit 3.02022 · approveit.today · ▲400

  Automate expense approvals in Slack and email

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  Paritydeals2025 · paritydeals.com · ▲331

  Stripe is great, but is not simple. You end up handling many webhooks, mirroring Stripe data, tracking subscription states, and hardcoding feature checks. Managing upgrades, downgrades, migrations, overrides, and grandfathering often needs custom scripts. ParityDeals keeps that billing logic out of your app. Once you integrate ParityDeals SDK, you can manage everything from a single dashboard. No further code changes required. I'd love to hear your feedback

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  SaveMRRApr 2026 · savemrr.co · ▲104

  See how much you're losing to failed payments on Stripe

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  License LogicJan 2026 · licenselogic.co · ▲5

  We're building a SaaS license management tool and kept hearing the same story: "We know we're wasting money on unused licenses, but we don't know how much." So we built a dead-simple calculator. One slider (employee count) → three estimates: • Total SaaS apps (~13 per employee) • Annual waste (~$250/employee on ghost accounts, unused seats) • IT time burned on manual tracking The ratios come from industry research + early customer data. Curious if HN folks are seeing similar patterns at their companies - are we close? Way off? (Also: feedback on the calculator UX welcome. Tried to make…

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  LedgerAppNov 2025 · ledgerapp.team · ▲7

  I built LedgerApp to solve a problem I kept running into: tracking shared expenses with my team was always more complicated than it needed to be. What it does: - Log expenses in under 15 seconds (amount, category, date, receipt) - Real-time per-person balance calculations - Automated "Settle Up" calculator that minimizes transactions - CSV/PDF exports for accounting - Free for teams up to 3 members Tech stack: - Next.js 15 with App Router - Supabase (Postgres + Auth + Storage) - Stripe for subscriptions - AWS SES for emails - TypeScript throughout What makes it different: Most expense…

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  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 21d ago · talanoa.email

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  Lovon AI Therapy▲801

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  I spent 3 years reverse-engineering a 40 yo stock market sim from 1986▲721

  Hello my name is Ben Ward for the past 3 years I have been remastering the financial game Wall Street Raider created by Michael Jenkins originally on DOS in 1986. It has been a rough journey but I finally see the light at the end of the tunnel. I just recently redid the website and thought maybe the full story of how this project came to be would interest you all. Thank you for reading.

  Work · Feb 2026 · wallstreetraider.com