Fly.io is a platform for running apps and databases in virtual machines close to your users.. The tools below share its categories (DevOps, SaaS). Most are still pre-launch, so you are comparing direction and early access rather than finished feature lists.
Railway
LaunchedInfrastructure that deploys from a repo or Dockerfile, with databases and environments built in.
Vercel
LaunchedA platform for deploying and hosting web apps, from the team behind Next.js.
boxes.dev
LaunchedCloud computers for coding agents such as Claude Code and Codex, managed from desktop, phone or terminal.
Cerebrium
LaunchedServerless infrastructure for real-time AI: voice agents, LLMs and other AI workloads.
Dub
LaunchedOpen-source link management with short links, analytics and conversion tracking.
Framer
LaunchedA visual website builder for designing and publishing responsive sites without code.
Inngest
LaunchedDurable workflows and background functions triggered by events, written in your own codebase.
Kedge
LaunchedA cloud platform that deploys websites, apps and databases to a public HTTPS URL over SSH or Git.
Linear
LaunchedIssue tracking and project planning built for fast-moving software teams.
machine0
LaunchedPersistent NixOS and Ubuntu virtual machines controlled from the CLI, designed for long-running agents.
Mintlify
LaunchedA documentation platform that turns Markdown in your repo into a polished docs site.
Notion
LaunchedA workspace that combines documents, wikis, databases and project tracking.
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