As of October 8, 2026, TechLeads detects Fly.io on 9,176 websites: 0.12% of PaaS detections, the 24th most-used of 51 PaaS technologies we track.
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TechLeads. "Companies Using Fly.io." Data as of October 8, 2026. https://techleads.fyi/technology/fly-ioHTML link
<a href="https://techleads.fyi/technology/fly-io">Companies using Fly.io (TechLeads data)</a>Sample results for Fly.io
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #183 | UNPKG | The CDN for everything on npm | - | - | - | ||
| #10,181 | The Ship It! podcast | A podcast about everything that happens after \`git push\` | Changelog | - | en | ||
| #10,330 | Global Food Tours and Food Guide - Culinary Backstreets | The global guide to local eats, Culinary Backstreets writes about the local food scene and offers small group food tours in cities around the world. | - | - | - | ||
| #14,767 | Remix - Build Better Websites | Remix is a full stack web framework that lets you focus on the user interface and work back through web standards to deliver a fast, slick, and resilient user experience. People are gonna love using your stuff. | - | - | - | ||
| #16,440 | Pallets | - | - | - | - | ||
| #23,343 | Disc Golf Courses Near Me - 16,000+ Course Maps & Reviews | UDisc | Ready to play disc golf? UDisc helps you find nearby courses, learn the game, and track your progress. Join 2M+ players using the #1 disc golf app. Download free! | UDisc | - | - | ||
| #24,941 | Scheduling Software Everyone Will Love · SavvyCal | - | - | - | - | ||
| #25,240 | Kent C. Dodds | Come check out how Kent C. Dodds can help you level up your career as a software engineer. | - | - | - | ||
| #26,885 | Distributed Systems Safety Research | - | Jepsen | - | en | ||
| #39,294 | PREreview: Open preprint reviews. For all researchers. | - | - | - | - | ||
| #41,718 | Nappy | Beautifully Diverse Stock Photos | Beautiful photos of Black and Brown people, for free. For commercial and personal use. | - | - | - | ||
| #46,485 | Filippo Valsorda | - | - | - | - | ||
| #48,704 | RealSport101 | Breaking Gaming News, Leaks, Guides, Reviews and more! | - | Realsport101 | - | en | ||
| #49,981 | Slavery Footprint | - | - | - | - | ||
| #1,000,000 | Saucepan | Chat with spicy AI Companions on Saucepan. Completely unfiltered. Unlimited free messages. No queues. | - | - | - | ||
| #16 | B.LEAGUEサラリーキャップ管理ツール | B.Cap | 2026-27新制度対応。契約・年俸・キャップヒットを一元管理し、ペナルティを未然に防ぐダッシュボード。無料で試す。 | B.Cap | - | ita | ||
| #17 | jaimie | Your family, organised. | jaimie | - | eng | ||
| #18 | Big Game Analytics - Home | Level up your team's performance with data analytics | Big Game Analytics | - | eng | ||
| #19 | DataCenterReadyLand.com — The landowner's starting point | Find out whether your land could host a data center. We help landowners understand power, fiber, acreage and zoning in plain language — with a free preliminary screen and a clear next step. | United States | - | eng | ||
| #20 | CrowdCode — infrastructure for the internet of agent services | CrowdCode builds infrastructure for onchain agent services: data to discover them, tools to access them with USDC, and a platform to build your own. | CrowdCode | - | eng | ||
| #21 | Toto's Garden | Thoughts, stories and ideas. | Toto's Garden | - | eng | ||
| #22 | Pon - 電子契約サービス | 無料で使える電子契約・署名サービス。契約書を作成して、URLを共有するだけ。 | Pon - 電子契約サービス | - | eng | ||
| #23 | MagicBrews — one AI familiar across all your tools | MagicBrews is your AI familiar: one calm presence that gathers all your inboxes, calendars, files and tasks — Gmail and Outlook, work and personal — into a single daily brief, and only ever acts with your approval. Trust you can inspect. | MagicBrews | - | eng | ||
| #24 | Vuelve | Official WhatsApp Marketing Automation for Businesses | Automate WhatsApp for Businesses: recover dropped journeys, run high-read campaigns, and unify support with official WhatsApp API. | Vuelve | - | eng | ||
| #25 | AdAegis — AI Ad Operations Platform | AdAegis | Connect your Google Ads and Microsoft Ads accounts. AdAegis analyzes performance, generates recommendations, and executes approved changes with configurable guardrails. | AdAegis | - | eng |
Complete Fly.io website dataset in CSV. One-time purchase.
Secure checkout · 7-day download accessThe most-used PaaS technologies in the TechLeads index, by number of websites. Fly.io accounts for 0.12% of PaaS detections (9,176 websites).
| Technology | Websites | Share of PaaS |
|---|---|---|
| Amazon Web Services | 2,996,799 | 40.8% |
| OVHcloud | 789,313 | 10.7% |
| Vercel | 690,138 | 9.4% |
| Strato | 632,518 | 8.6% |
| SiteGround | 349,243 | 4.8% |
| WP Engine | 294,575 | 4.0% |
| Azure | 291,101 | 4.0% |
| WordPress.com | 204,924 | 2.8% |
| Netlify | 186,890 | 2.5% |
| Aruba.it | 177,572 | 2.4% |
TechLeads scans public websites and identifies Fly.io from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 8, 2026. Counts only include websites we have scanned, so they can differ from other providers.
Fly.io is a PaaS technology. Browse websites using Fly.io and discover companies that use it.
Our comprehensive database contains 9,176 websites using Fly.io, making it the most complete Fly.io sites list available. This Fly.io customer websites directory helps businesses detect websites using Fly.io and identify potential leads.
Our Fly.io technology detection system scans millions of websites to identify those powered by Fly.io. This list of sites with Fly.io includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Fly.io or exploring Fly.io adoption trends, our database provides comprehensive insights.
Each entry in our Fly.io sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Fly.io and reach out to potential customers or partners.
Get instant access to the full list of sites with Fly.io in CSV format. Our dataset includes all 9,176 Fly.io customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Fly.io powered websites.