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Developer Tools

1. Ark

Ark is the email API built for AI-first developers. Native MCP server with 26 tools lets Claude, Cursor, Windsurf, and Claude Code send emails through natural language — no wrapper code needed. AI-readable docs cut token usage by 10x. Integrates seamlessly with your stack: Supabase edge functions, n8n workflows, Vercel serverless, or any automation pipeline. SDKs for Python, Node.js, Ruby, and Go. Full SMTP relay for self-hosted tools like Listmonk, Coolify, and Metabase. 99.9% deliverability. Sub-second delivery. Automatic SPF, DKIM, and DMARC. Real-time webhooks for delivery, opens, clicks, and bounces. Simple pricing: $0.50 per 1,000 emails. No tiers, no enterprise sales calls. Start free with $5 in credits. Built for developers who ship with AI, automate with code, and don't want to think about email infrastructure.

Developer Tools

2. URL to Any

URL to Any - An All-in-One Web Content Conversion ToolAll the URL conversion tools at your fingertips. 100% FREE and easy to use! Convert URLs to Markdown, PDF, Text, images and more with just a few clicks.Convert any webpage into the format you need, simple, fast, and free!1. Easy to Use: No registration required, just enter a link and complete the conversion in a few seconds2. Completely Free: All features are free to use3. One-Stop Solution: Convert to various formats such as Markdown, PDF, HTML, images, QR codes, etc.Use Cases- Content Creators: Quickly convert webpages to Markdown for editing- Document Management: Save important webpages as PDFs for long-term archiving- Developers: Extract webpage content and convert formats

Artificial Intelligence Developer Tools Productivity

3. TemplateFox

TemplateFox is a SaaS that lets you generate professional PDFs from WYSIWYG templates via API. Design templates visually with our drag-and-drop editor—no HTML/CSS knowledge required. Then generate thousands of invoices, certificates, reports, and more with a simple API call or Zapier automation. Get results in 1-3 seconds with signed URLs or direct binary downloads. Start free with 100 PDFs/month, then scale with affordable paid plans. Perfect for indie hackers, developers, and businesses automating document workflows.

Developer Tools Productivity SaaS

4. Crawlkit

CrawlKit is a web data extraction platform designed for developers and data teams who need reliable, scalable access to web data without building or maintaining scraping infrastructure. Modern web scraping usually means dealing with rotating proxies, headless browsers, anti-bot protections, rate limits, and constant breakages. CrawlKit removes all of that complexity. You send a request, and CrawlKit handles proxy rotation, browser rendering, retries, and blocking—so you can focus on using the data, not collecting it. With CrawlKit, you can extract multiple types of web data through a single, consistent interface: raw page content, search results, visual snapshots, and professional data from LinkedIn.

Data Science & Analytics Developer Tools

5. Fallom

Fallom is an AI-native observability platform for LLM and agent workloads that lets you see every LLM call in production with end-to-end tracing, including prompts, outputs, tool calls, tokens, latency, and per-call cost. We provide session/user/customer-level context, timing waterfalls for multi-step agents, and enterprise-ready audit trails with logging, model versioning, and consent tracking to support compliance needs. With a single OpenTelemetry-native SDK, teams can instrument apps in minutes and monitor usage live, debug issues faster, and attribute spend across models, users, and teams.

Developer Tools

6. Sana Mujer

We built Sana Mujer to solve a very specific access problem: millions of Spanish-speaking women live in the US, but most telehealth and clinic experiences are English-first. Sana Mujer is a niche telemedicine clinic in Spanish for women (18–50) living in the US, focused on: Contraceptives (pills, patch, ring, injection depending on state) Topical skin & hair treatments Common feminine infections (UTIs, candidiasis, BV) We provide treatment online in 26 states of the USA. Spanish-first telehealtj

Developer Tools Marketing Tools Productivity

7. Vibe App Store

VIBE App Store is the ultimate launchpad for app creators, indie developers, and startups. We connect you directly with early adopters, tech enthusiasts, and over 111,000 active investors across 50+ categories. Key Features: App Discovery Marketplace - Showcase projects in a curated environment designed for maximum visibility AI-Powered Investor Matching - Get personalized recommendations matched to your app's niche and stage Pre-Launch Momentum - Build buzz and gather first users before official launch Featured Placements - Boost visibility with front-page spotlight features Startup & Investor Directories - Access comprehensive databases for funding connections Perfect For: Indie developers launching side projects, startups seeking market validation, product hunters discovering cutting-edge apps, and investors scouting promising ventures. Backed by Google for Startups, NVIDIA Inception, and MongoDB for Startups. Join 1000+ apps already building momentum on VIBE.

Developer Tools E-commerce SaaS

8. diffray

Traditional AI code review tools use one generic model for everything and flood your PRs with noise. diffray takes a different approach: 30+ specialized agents, each focused on one thing (security, performance, bugs, best practices, SEO, and more).The result? 87% fewer false positives and 3x more real issues caught. Teams report cutting PR review time from 45 minutes to 12 minutes per week.Key features:* Multi-agent architecture: each agent is an expert in its domain* Codebase-aware: understands your repo context, not just the diff* Clean comments: no emoji spam, just actionable feedback* Works with GitHub; easy setup in minutesFree for open source. 14-day free trial for private repos.

Developer Tools DevOps & Cloud SaaS

9. CloudBurn

CloudBurn is for teams using Terraform or AWS CDK who want to prevent expensive infrastructure mistakes before they reach production. Most teams discover AWS cost problems weeks later on their bill, after the infrastructure is already running and the money is spent. CloudBurn changes this by showing AWS costs during code review, when changes are easy to make.Here's how it works:1. A developer opens a pull request with infrastructure changes (Terraform or AWS CDK).2. CloudBurn automatically analyzes the changes using real-time AWS pricing.3. A cost report appears in your PR, showing exactly what each change will cost per month.4. Your team discusses costs during code review and adjusts before deployment.What you get:- Automatic cost analysis on every infrastructure PR- Real-time AWS pricing for your specific region- Resource-level breakdown showing old vs. new monthly costsStop optimizing reactively. Catch costly decisions during code review when they're easy to fix.

Developer Tools DevOps & Cloud

10. DeepRails

DeepRails is an AI reliability and guardrails platform that helps teams ship trustworthy, production-grade AI systems. As large language models are increasingly embedded into real-world products, hallucinations and incorrect outputs have become one of the biggest blockers to adoption.DeepRails is the only guardrails solution designed to both hyper-accurately identify hallucinations and substantively fix them, rather than merely flagging issues. The platform evaluates AI outputs for factual correctness, grounding, and reasoning consistency, enabling teams to distinguish true errors from acceptable model variance with high precision.Beyond detection, DeepRails provides automated remediation workflows, custom evaluation metrics aligned with business goals, and human-in-the-loop feedback loops that continuously improve model behavior over time. Built to be model-agnostic and production-ready, DeepRails integrates with leading LLM providers and fits seamlessly into modern development pi

Artificial Intelligence Developer Tools SaaS

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