DEV Community: たくみサブ

I Built RecurringChaser to Stop Losing Money on Failed Payments

たくみサブ — Sat, 06 Jun 2026 00:00:17 +0000

The Problem That Cost Me Sleep (and Money)

As a developer running multiple SaaS products, I was losing hundreds of dollars monthly to failed recurring payments. Credit cards expired, accounts hit spending limits, and payment methods changed—but I was manually tracking everything in spreadsheets. The worst part? I'd discover failed payments weeks later, after customers had already churned.

Sound familiar? If you're running any subscription-based service, you know this pain.

Why I Built RecurringChaser

After missing yet another $500 payment because a client's card expired, I decided enough was enough. I needed something that would:

Automatically detect failed payments across different platforms
Chase customers intelligently without being annoying
Track recovery rates so I could optimize my approach
Work seamlessly with my existing payment setup

Existing solutions were either too expensive for small businesses or overly complex for simple use cases. So I built RecurringChaser—a free tool that does exactly what it says on the tin.

How It Works

RecurringChaser monitors your payment failures and automatically sends personalized follow-up sequences. You can:

✅ Set up smart retry logic
✅ Customize email templates that don't sound robotic
✅ Track which approaches work best
✅ Integrate with popular payment processors
✅ Get real-time notifications when payments are recovered

The best part? It's completely free. No hidden costs, no "freemium" limitations that kick in after 5 customers.

Real Results

Since implementing RecurringChaser, I've recovered 73% of failed payments that would have otherwise been lost forever. That's an extra $2,300 last month alone—money that was rightfully mine but slipping through the cracks.

Try It Yourself

If you're tired of manually chasing payments or watching revenue disappear due to simple payment hiccups, give RecurringChaser a shot. It takes less than 10 minutes to set up, and you'll see results within days.

Check it out at: https://recurringchaser.norn-ai.com

I Built a Free Tool to Validate Your SaaS Ideas Before You Code a Single Line

たくみサブ — Fri, 05 Jun 2026 00:00:17 +0000

The Problem That Cost Me Months of Development

Last year, I spent three months building what I thought was the perfect productivity tool. Beautiful UI, clean code, solid architecture – I was proud of every line. Then I launched it... and crickets. Turns out, nobody actually wanted what I built.

Sound familiar? If you're a developer, you've probably been there. We love building things, but we often skip the crucial step of validating whether anyone actually needs what we're creating.

Enter NicheToolValidator

After my expensive lesson in market research, I decided to build something that would help other developers avoid my mistake. NicheToolValidator is a free tool that helps you validate your niche tool ideas before you invest precious time and energy into development.

The tool analyzes your idea across several key dimensions:

Market demand and search volume
Competition analysis
Monetization potential
Technical feasibility
Target audience insights

How It Works

Simply describe your tool idea in plain English. The validator uses AI to research the market, analyze competitors, and provide actionable insights about whether your idea has legs. You'll get a comprehensive report that includes:

Market size estimates
Competitor landscape
Suggested pricing strategies
Potential red flags to watch out for
Recommendations for pivoting if needed

Why I Made It Free

I believe every developer should have access to basic market validation tools. Too many great developers waste time building things nobody wants, while genuinely needed tools never get built. This is my way of giving back to the community that taught me everything I know.

Ready to Validate Your Next Big Idea?

Before you fire up your code editor for that new side project, take five minutes to validate your idea. It could save you months of development time and help you build something people actually want to pay for.

Try it out here: https://nichetoolvalidator.norn-ai.com

I Built a Free Tool to Help Freelancers Stop Leaving Money on the Table

たくみサブ — Thu, 04 Jun 2026 00:00:16 +0000

The Problem That Kept Me Up at Night

As a developer who's been freelancing for years, I noticed a frustrating pattern. Talented freelancers around me were struggling—not because they lacked skills, but because they couldn't identify what was silently sabotaging their success.

Maybe it was undercharging for their expertise. Perhaps poor communication with clients. Or possibly burnout from taking on too much work. The worst part? Most freelancers don't realize these pain points exist until it's too late.

I watched friends burn out, undervalue their work, and struggle with client relationships. There had to be a better way to spot these issues before they became career-threatening problems.

Enter FreelancerPainRadar

That's why I built FreelancerPainRadar—a free diagnostic tool that acts like a health check for your freelance business. Think of it as your early warning system for the common pitfalls that can derail even the most skilled freelancers.

The tool analyzes key areas of your freelance practice:

Pricing strategy - Are you charging what you're worth?
Client relationships - How's your communication game?
Work-life balance - Are you heading toward burnout?
Business processes - What's slowing you down?

Based on your responses, it generates a personalized pain point report with actionable insights. No generic advice—just specific recommendations tailored to your situation.

Why I Made It Free

I believe every freelancer deserves to thrive, not just survive. Too many talented people leave the freelance world because they hit preventable roadblocks. This tool is my way of giving back to the community that helped me grow.

Ready to Diagnose Your Freelance Health?

If you're serious about taking your freelance career to the next level, start by understanding what might be holding you back. The assessment takes just 5 minutes, but the insights could save you months of frustration.

Don't let hidden pain points sabotage your success. Check it out at: https://freelancerpainradar.norn-ai.com

I Built a Free Tool That Catches Warm Leads While You Sleep

たくみサブ — Wed, 03 Jun 2026 00:00:17 +0000

As a developer who's worked with countless startups, I've watched talented founders struggle with the same problem: identifying and capturing warm leads before competitors do.

The Problem That Kept Me Up at Night

Last year, I was consulting for a SaaS company that was hemorrhaging potential customers. They had great traffic, solid content, but were missing 70% of their warm leads. Visitors would browse pricing pages, download resources, and ghost them completely.

The founder was manually checking analytics daily, trying to piece together visitor behavior. By the time they identified interested prospects, those leads had already moved on to competitors.

Building WarmLeadCatcher

Frustrated by existing solutions that cost $200+ monthly or required complex integrations, I decided to build something different. WarmLeadCatcher automatically identifies visitors showing buying intent through:

Multiple pricing page visits
Resource downloads and engagement patterns
Time spent on key conversion pages
Return visitor behavior analysis

The tool runs quietly in the background, tracking behavioral signals that indicate genuine interest. When someone shows warm lead characteristics, it captures their information and alerts you immediately.

Real Results

Since launching the beta, early users report:

3x increase in qualified lead identification
40% reduction in sales cycle length
Automated lead scoring that actually works

One user told me: "I'm catching leads I didn't even know existed. My conversion rate doubled in the first month."

Why I Made It Free

Lead generation tools shouldn't be luxury items. Every startup deserves access to professional-grade lead capture without breaking their budget. WarmLeadCatcher handles the heavy lifting so you can focus on what matters: building relationships with qualified prospects.

Ready to Stop Missing Warm Leads?

If you're tired of watching potential customers slip away, give WarmLeadCatcher a try. Setup takes under 5 minutes, and you'll start seeing results immediately.

Check it out at: https://warmleadcatcher.norn-ai.com

I Built a Free Tool to Handle Billing Between AI Agents - Here's Why You Need It

たくみサブ — Tue, 02 Jun 2026 00:00:18 +0000

As AI agents become more sophisticated and start working together in complex workflows, I kept running into the same problem: how do you fairly track and bill for resource usage between different agents?

The Problem That Kept Me Up at Night

While building multi-agent systems, I realized that Agent A might call Agent B's API, which then calls Agent C's service, and so on. Traditional billing systems weren't designed for this mesh of AI-to-AI interactions. How do you track who owes what when agents are constantly collaborating?

Manual tracking was a nightmare, and existing billing solutions either:

Couldn't handle the complexity of agent-to-agent transactions
Were prohibitively expensive for indie developers
Required extensive setup that killed productivity

Enter AgentA2ABilling

After months of wrestling with spreadsheets and custom scripts, I decided to build AgentA2ABilling - a free tool specifically designed for billing between AI agents.

Here's what makes it different:

🔄 Automatic Transaction Tracking: Monitors agent interactions in real-time without manual intervention

💰 Smart Cost Allocation: Distributes costs fairly based on actual resource usage and predefined rules

📊 Clear Reporting: Generates transparent billing reports that show exactly who used what

🔌 Easy Integration: Works with existing agent frameworks through simple API calls

⚡ Zero Setup Friction: Get started in minutes, not hours

Real Impact for Real Developers

Since launching, developers have saved hundreds of hours previously spent on manual billing calculations. One user told me it reduced their monthly accounting overhead from 8 hours to 15 minutes.

The tool handles everything from simple two-agent interactions to complex multi-agent networks with dozens of participants. And because it's free, you can experiment without worrying about additional costs eating into your margins.

Ready to Simplify Your Agent Billing?

If you're building AI agents that need to work together (and who isn't these days?), AgentA2ABilling can save you serious time and headaches.

Try it out at: https://agenta2abilling.norn-ai.com

I Built a Free Tool to Finally Track Time Spent on Project Proposals (And You Should Use It)

たくみサブ — Mon, 01 Jun 2026 00:00:19 +0000

The Proposal Time Black Hole

As a developer, I've lost count of how many hours I've spent writing project proposals. You know the drill - a potential client reaches out, you get excited about the project, and suddenly you're spending 3-4 hours crafting the perfect proposal with detailed breakdowns, timelines, and pricing.

Then... crickets. 🦗

The worst part? I had no idea how much time I was actually investing in proposals until I started tracking it. Spoiler alert: it was way more than I thought.

The "Aha!" Moment

After realizing I'd spent 40+ hours on proposals in a single month (with only a 20% success rate), I knew something had to change. I needed to understand where my time was going and which types of proposals were actually worth the investment.

That's when I built ProposalTimeTracker - a simple, free tool that does exactly what it says on the tin.

How It Works

Start a timer when you begin working on a proposal
Add notes about the client, project type, and proposal details
Track total time invested per proposal
See your success rate and time-to-conversion metrics
Identify patterns in your most successful proposals

The interface is clean and distraction-free because the last thing you need when writing proposals is a complicated tool getting in your way.

Why I Made It Free

Honestly? Because I wish this tool existed when I was struggling with proposal overwhelm. Too many of us freelancers and agency owners are flying blind when it comes to proposal ROI.

Plus, I figured if it helped me optimize my proposal process and win more projects, it could do the same for other developers.

Your Turn

If you're tired of wondering where your proposal time goes, give ProposalTimeTracker a try. It takes 30 seconds to set up, and you might be surprised by what you discover about your proposal habits.

Check it out at: https://proposaltimetracker.norn-ai.com

I Built a Free Tool to Find Leads on Reddit Automatically (So You Don't Have to Scroll for Hours)

たくみサブ — Sun, 31 May 2026 00:00:17 +0000

The Problem: Reddit is a Goldmine, But Finding Leads is Exhausting

As a developer, I've always known Reddit is where real conversations happen. People share genuine problems, ask for recommendations, and seek solutions across thousands of subreddits. But manually hunting for potential leads? That's a different story.

I used to spend hours scrolling through relevant subreddits, searching for posts where someone mentioned needing a service I could provide. It was tedious, time-consuming, and honestly, I was probably missing 90% of the opportunities.

The Solution: RedditLeadCatcher

Frustrated with the manual process, I decided to build something that could do the heavy lifting for me. That's how RedditLeadCatcher was born.

Here's what it does:

Automatically scans Reddit for posts containing keywords you specify
Filters relevant conversations where people are actively seeking solutions
Organizes leads in an easy-to-review format
Saves you hours of manual searching

The best part? It's completely free. I built this tool for myself initially, but realized other developers, freelancers, and small business owners could benefit from it too.

How It Works

Simply input your target keywords (like "need a web developer" or "looking for a designer") and let the tool monitor Reddit for relevant posts. Instead of manually checking 20+ subreddits daily, you get a curated list of potential leads delivered to you.

I've been using it for my own freelance work, and it's helped me discover opportunities I would have never found through manual searching. The quality of leads is surprisingly high because you're finding people who are actively expressing a need.

Ready to Stop Missing Opportunities?

Whether you're a freelancer, agency owner, or just someone looking to connect with potential clients on Reddit, this tool can save you significant time while improving your lead discovery.

Try RedditLeadCatcher for free and see what opportunities you've been missing:

https://redditleadcatcher.norn-ai.com

I Built a Bot That Writes Upwork Proposals in Seconds (And It's Free)

たくみサブ — Tue, 26 May 2026 23:32:37 +0000

The Upwork Proposal Struggle is Real

As a developer who's spent countless hours crafting Upwork proposals, I know the pain. You find a perfect job posting, but then you're stuck staring at a blank text box, trying to write something that stands out from 50+ other applicants.

I used to spend 15-20 minutes per proposal, carefully tailoring each one. With decent jobs getting 30+ applications within hours, I was either rushing through proposals (and getting ignored) or spending so much time writing that I could only apply to a few jobs per day.

Enter GigProposalBot

Frustrated with this time sink, I built GigProposalBot - a free tool that generates personalized Upwork proposals in seconds. Here's how it works:

Paste the job description
Add a few details about your relevant experience
Click generate
Get a tailored proposal ready to submit

The bot analyzes the job requirements and creates proposals that:

Address the client's specific needs
Highlight your relevant skills
Include a professional tone
Follow proven proposal structures

Why I Made It Free

I could have charged for this, but I remember the struggle of starting on Upwork. When you're building your reputation, every application matters, and spending money on tools cuts into already slim margins.

Plus, as developers, we solve problems with code. This felt like a problem worth solving for the entire freelance community.

Real Results

Since launching, I've used it for my own proposals and seen my response rate improve significantly. More importantly, I can now apply to 10x more jobs in the same time, which means more opportunities and better client matches.

Try It Yourself

The tool takes literally 30 seconds to use. Even if it saves you just 10 minutes per proposal, that's time you can spend on actual client work or finding better opportunities.

Ready to speed up your Upwork game? Try GigProposalBot for free:

https://gigproposalbot.norn-ai.com/demo

I built a free AI tool that writes Upwork proposals in seconds

たくみサブ — Tue, 26 May 2026 23:21:26 +0000

If you freelance on Upwork, you know the grind: spend 15-20 minutes writing a proposal, hit send, and hear nothing back.

I was doing this every night after work. Writing proposals, customizing them, trying to stand out from 50+ other applicants. My response rate was maybe 5%.

So I built something to fix it.

GigProposalBot — paste a job description, and it generates a personalized proposal in about 10 seconds. It reads the job requirements, matches them to your experience, and writes in a natural tone. Not a template. Actually customized.

I've been using it myself and my proposal writing time went from 15 minutes to under 2 minutes.

Try it free (no signup needed):
https://gigproposalbot.norn-ai.com/demo

Would love feedback from anyone who freelances. What would make this more useful for you?