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Free, no-signup calculators for the money side of building software and freelancing

Trello
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Asana
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The project management tool built for solo developers who start but never ship. Scope Locking, idea validation, and accountability - so you actually finish.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | devfinancetools.com | foundstep.com |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | Startup from Sri Lanka · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
FoundStep is a project management tool built for indie developers who keep starting projects but never finish them. It walks you through a structured lifecycle: capture an idea, validate it with a 7-step questionnaire, make a build-or-kill decision, lock your scope, and ship. Scope locking is the...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


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Introducing Foundstep (Project Management Tool For Solo Devs)
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DevFinanceTools and Foundstep.
Foundstep's answer:
Foundstep's answer:
I'm a solo developer with 50+ started projects and less than 10 shipped. I realized the problem was never motivation or skill. It was the lack of a system that forced me to validate ideas before building, stop adding scope mid-project, and actually decide when something is done. I couldn't find a tool that did this, so I built one. FoundStep came from my own graveyard of abandoned projects.
Foundstep's answer:
Next.js, React, TypeScript, Tailwind CSS, and Node.js. The frontend is built with Next.js 15 using the App Router. The UI uses shadcn/ui components. The backend runs on Node.js with a REST API.
Foundstep's answer:
Most project tools give you a blank canvas and let you organize however you want. FoundStep does the opposite. It forces you through a fixed lifecycle: validate your idea, decide if it's worth building, lock your scope, and ship. You can't skip steps. If you want to add something after locking scope, you have to unlock it and write a reason that gets logged permanently. That friction is the point. It stops scope creep before it kills the project.
Foundstep's answer:
Tools like Notion, Linear, and Trello are built for teams and give you full flexibility. That flexibility is exactly why solo developers never finish anything. FoundStep removes the flexibility on purpose. It has a 7-step validation questionnaire so you don't build bad ideas, scope locking so you stop adding features mid-build, and a permanent log of every time you broke your own rules. No other tool does this. It's not a better project manager. It's a system that makes you ship.
Foundstep's answer:
Solo developers and indie hackers who start side projects but rarely finish them. People with 10+ repos collecting dust. Developers who code nights and weekends, don't have time to set up complex tools, and need a process that holds them accountable without adding overhead.
Share your experience with using DevFinanceTools and Foundstep. For example, how are they different and which one is better?
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