Ruby

Alibaba Cloud provides infrastructure, platform and serverless services spanning 32 regions with support for Linux, Windows, containers and multiple runtimes.

French managed hosting running a wide set of language runtimes on isolated Debian accounts, with a permanently free tier below the paid plans.

Self-hosted hosting platform and control panel from Apis Networks, licensed per server and aimed at providers running their own fleet.

Open-source backend platform sold as a hosted service, running user functions alongside managed databases, authentication, storage and messaging.

Amazon's function-as-a-service primitive, running a handler on demand in a short-lived isolated environment and billing per invocation.

French platform-as-a-service that detects, builds and runs an application from a git push, with managed databases and storage sold as add-ons.

DevOps platform deploying containerised and native applications and static sites onto servers the customer owns on AWS, Google Cloud or Azure.

Hosting control panel installed on a server the operator supplies, licensed per server and priced by the number of accounts it manages.

A Swiss platform that turns a git push into a running application, on infrastructure held entirely in Switzerland and under Swiss law.

Dinahosting is an independent Galician host selling shared hosting, domains and email from its own servers in Spain.

Divio is a Swiss platform-as-a-service that runs Dockerised applications of any stack, deployed from git.

Gigalixir is a platform-as-a-service built around Elixir and Phoenix, keeping hot upgrades, remote observer and distributed clustering intact.

Hatchbox is a deployment platform for Rails, Ruby and Node applications on servers the customer rents, billed per managed server rather than per application.

Heroku is a polyglot PaaS — the original "git push to deploy" platform, now a business unit of Salesforce.

Swiss-based hosting provider with shared hosting and managed servers, all infrastructure in Switzerland.

French platform that deploys containers and repositories across global regions with scale-to-zero, per-second billing, GPU instances and serverless Postgres.

British host running PHP, Python, Perl and Ruby on cPanel, powered by certified renewable electricity and operated as a certified B Corp.

Polish shared hosting with SSH on every plan, unlimited sites, mailboxes and databases, and Node.js, Python and Ruby alongside PHP.

Shared hosting metered by what a site consumes rather than sold by the plan.

Karlsruhe-based provider selling low-priced webhosting, VPS and root servers from European, North American and Asian locations, part of the Anexia group.

Developer-owned US host running PHP-FPM, Node, Python and Ruby stacks with full SSH on every plan, plus VPS and bare-metal tiers.

Franco-Canadian host with data centres in Paris, Lausanne and Montreal, letting a customer pick the location per project.

Hosting control panel licensed per server, managing sites, domains, mail, databases and WordPress on Linux and Windows machines the customer supplies.

Managed application platform deploying Node, Java, Go, Ruby, PHP, Python and Docker workloads with per-second billing and managed databases alongside.

Railway is a polyglot deployment platform with subscription plus usage billing, four regions and a build system that detects most common languages.

Platform-as-a-service that builds services from a git repository, with native runtimes for several languages, a Docker runtime for the rest, and managed Postgres.

French platform-as-a-service with git-push deploys, buildpacks, managed databases and review apps, running only in French regions.

New Zealand host that owns its Auckland data centre and sells Cloud Containers, a product that runs prebuilt or custom Docker images.

Uberspace is a small German hosting service sitting between shared hosting and a VPS, running since 2011, with a shell account and a documented stack.

Vercel is a frontend platform for Javascript people. It's formerly known as Zeit and venture backed and high on the AI wave.

Czech container platform running applications and managed services on rented infrastructure in Prague, billed by resources consumed rather than by plan tier.