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niuniu
niuniu

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20 Free Dev Tools That Saved Me $500/Month

#productivity #opensource #free #tools

I Was Paying $52/Month for Developer Tools

Between Cursor ($20), Railway ($5), Sentry ($26), and various other subscriptions, I was spending over $600/year on developer tools.

Then I found free alternatives for every single one.

Here's my complete toolkit — all free, all production-ready.

🛠️ Code Editor & AI

1. VS Code (Free) — Replaces JetBrains ($249/year) 

# Install
snap install code --classic

# Essential extensions
code --install-extension ms-python.python
code --install-extension bradlc.vscode-tailwindcss
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2. MonkeyCode (Free) — Replaces Cursor ($240/year) 

# Download from monkeycode-ai.net
# Supports: Ollama, Hugging Face, OpenAI-compatible APIs
# Works with any local model
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Why MonkeyCode over Cursor:
| Feature | MonkeyCode | Cursor |
|---------|-----------|--------|
| Price | $0 | $20/month |
| Local models | ✅ | ❌ |
| Privacy | 100% local | Cloud-based |
| Open source | ✅ | ❌ |
| Offline use | ✅ | ❌ |

3. Continue (Free) — Another Copilot Alternative 

// .continue/config.json
{
  "models": [{
    "title": "Ollama",
    "provider": "ollama",
    "model": "codellama:7b"
  }]
}
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🗄️ Database & Backend

4. Supabase (Free) — Replaces Firebase ($25/month) 

-- Real PostgreSQL with Row Level Security
CREATE TABLE posts (
  id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
  title TEXT NOT NULL,
  content TEXT,
  user_id UUID REFERENCES auth.users(id),
  created_at TIMESTAMPTZ DEFAULT NOW()
);
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5. PlanetScale (Free) — MySQL with Git-like Branching 

pscale branch create my-db feature-1
pscale deploy-request create my-db feature-1
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6. Neon (Free) — Serverless PostgreSQL 

# 512 MB storage, 1 compute endpoint
psql 'postgresql://user:pass@ep-cool-rain.us-east-2.aws.neon.tech/mydb'
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7. Upstash (Free) — Serverless Redis 

import { Redis } from '@upstash/redis'
const redis = new Redis({ url: '...', token: '...' })
await redis.set('key', 'value')
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🚀 Hosting & Deployment

8. Vercel (Free) — Frontend Hosting

9. Cloudflare Pages (Free) — Fastest Global CDN

10. Railway (Free $5 credit) — Full-Stack Hosting

11. Render (Free) — Background Workers

🔐 Authentication & Security

12. Clerk (Free) — Replaces Auth0 ($23/month) 

import { ClerkProvider } from '@clerk/nextjs'
// 10,000 monthly active users free
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13. WorkOS (Free) — Enterprise SSO

📊 Monitoring & Analytics

14. Sentry (Free) — Error Tracking

  • 5,000 errors/month
  • Performance monitoring
  • Session replay

15. Plausible (Free self-hosted) — Privacy-First Analytics 

docker run -d --name plausible plausible/analytics
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16. Uptime Kuma (Free) — Uptime Monitoring 

docker run -d --name uptime-kuma -p 3001:3001 louislam/uptime-kuma
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📧 Email & Communication

17. Resend (Free) — Transactional Email

  • 3,000 emails/month
  • React Email integration

18. Novu (Free) — Notification Infrastructure

  • 30,000 events/month
  • Email, SMS, Push, In-App

🤖 AI & Automation

19. Ollama (Free) — Local AI Models 

curl -fsSL https://ollama.com/install.sh | sh
ollama pull codellama:7b
ollama pull mistral
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20. n8n (Free self-hosted) — Workflow Automation 

docker run -it --rm -p 5678:5678 n8nio/n8n
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💰 Total Savings

Category Paid Tool Cost/Year Free Alternative
Code Editor JetBrains $249 VS Code
AI Coding Cursor $240 MonkeyCode
Database Firebase $300 Supabase
Hosting Heroku $120 Vercel/Railway
Auth Auth0 $276 Clerk
Monitoring Sentry $312 Sentry Free
Email SendGrid $240 Resend
Total $1,737 $0

Setup Script

I created a one-command setup script:

#!/bin/bash
# install-free-toolkit.sh

# VS Code
snap install code --classic

# Ollama
curl -fsSL https://ollama.com/install.sh | sh
ollama pull codellama:7b

# n8n
docker run -d --name n8n -p 5678:5678 n8nio/n8n

# Uptime Kuma
docker run -d --name uptime-kuma -p 3001:3001 louislam/uptime-kuma

echo "✅ Free toolkit installed!"
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The Catch?

There isn't one. These free tiers are genuinely production-ready for:

  • Side projects
  • MVPs
  • Startups (pre-revenue)
  • Personal tools
  • Learning projects

The only limit is scale. Once you hit 10K+ users, you'll need to upgrade. But by then, you'll have revenue to cover it.

What Free Tools Do You Use?

This list isn't exhaustive. What free tools are in your toolkit? Drop a comment and I'll add the best ones to the list!

P.S. My most-used free tool is MonkeyCode for AI-assisted coding. It works with Ollama, so everything stays local and private. Give it a try!

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