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Miren

Freemium#10 of 38 in Preview Environment Software

Miren: Miren gives open-source teams free, ephemeral previews with flexible deployment options. Ranked #10 of 38 in Preview Environment Software by our editors (7.7/10); pricing: Free plan · 30-day trial; best for open-source teams wanting free previews.

7.7/10Editor score

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Miren7.7 Visit Miren

At a glance

Editor score
7.7 / 10
Pricing
Free plan · 30-day trial
Best for
Open-source teams wanting free previews
Free plan
Yes
Paid from
$29/mo
Pull request previews
Yes
Facts checked
21 Sep 2026

Where it wins
- Always-free self-hosted plan with PR preview environments
- Automatic TLS, routing, custom domains, and TTL cleanup
- GitHub Actions, GitLab CI, CircleCI, and OIDC support
Where it doesn't
- Self-hosted previews share services with the parent app
- No isolated per-preview databases by default
- Managed clusters are listed as early access

Our verdict on Miren

Miren is a deployment platform for small teams running applications on Linux servers, bare metal, or cloud VMs. It combines CLI-based deployment with routing, automatic TLS, custom domains, databases, authentication, and ephemeral pull request preview environments. Teams can self-host Miren on infrastructure they own or use Miren-managed clusters. Its strongest fit is an open-source team that wants free previews while retaining control over deployment infrastructure and application services.

Pricing is structured around self-hosting or managed operation. The Always free plan costs $0 per month and includes self-hosted Miren, deployment to owned servers, PR preview environments, automatic TLS, routing, custom domains, databases, and services. Managed clusters are listed at $29 per month and $79 per month, with both entries including a Miren-managed cluster, provisioning, upgrades, monitoring, deployments, TLS, custom domains, databases, and PR previews. A 30-day free trial is also available. The managed option reduces infrastructure responsibility, while the free plan favors teams prepared to operate their own servers.

Preview workflow is a notable strength. Miren creates ephemeral application versions on preview subdomains, supports configurable preview TTLs, and automatically cleans up expired environments. Deployments can connect with GitHub Actions, GitLab CI, CircleCI, and other OIDC-capable CI systems, with signed OIDC tokens for workload identity. Integrations also include PostgreSQL, MySQL, Valkey, RabbitMQ, Memcached, and SQLite. The main limitation is preview isolation: self-hosted previews share configuration, addons, and services with the parent application, so isolated per-preview databases are not provided by default. Choose Miren for free or managed application previews with infrastructure flexibility; choose another tool if database-isolated previews are central to the workflow.

Your product? Our editors can test Miren in depth and publish a review, labelled as paid · from $149/mo →

Miren pricing

Plans Free plan · 30-day trialFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 21 Sep 2026.

See plans on miren.dev

All 2 Miren plans and prices →

Miren fact sheet

Free plan	Yes
Paid from	$29/mo
Pull request previews	Yes
Preview lifecycle	Both
Git providers	GitHub, GitLab
Custom domains	Yes
Database previews	No
Preview expiry controls	Configurable
Free trial	30 days · no card needed
Deployment	Cloud, Self-hosted
Platforms	Web, macOS, Linux
Support	Email, Community, Docs
Built for	Small business, Solo (editorial estimate)
Integrations	9 integrations: GitHub Actions, GitLab CI, CircleCI, PostgreSQL, MySQL, Valkey …
Pricing	Free plan · 30-day trial (source)
Website	miren.dev
Facts checked	21 Sep 2026

Miren integrations

Miren lists 9 integrations on its own site.

GitHub Actions
GitLab CI
CircleCI
PostgreSQL
MySQL
Valkey
RabbitMQ
Memcached
SQLite

Alternatives to Miren

See all Miren alternatives →

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Featured on iTechGuides

Miren is listed in our Preview Environment Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update