Bulma

Free, open source, and modern CSS framework based on Flexbox

Also known as
bulma

What is Bulma?

Bulma is a free, open source framework that provides ready-to-use frontend components that you can easily combine to build responsive web interfaces.

Independently observed

Bulma pricing

We don't have Bulma's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

What Bulma does

The capabilities that matter for frontend ui frameworks, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
Paradigm
CSS framework based on Flexbox
Reusable component model
Rendering
Virtual DOM
Signals / fine-grained reactivity
SSR support
-
DX
First-class TypeScript
State
Built-in state management
Ecosystem
Official router
Performance
Runtime size
Small (10–40kb)
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web

Bulma alternatives

Other frontend ui frameworks we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Bulma, not the verdict.

Balanced composite 45 / 100
low · 39%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Package Downloads7326.001902.1
Price Level1006.00600.0
Capabilities2916.00462.5
Github Stars895.00443.3
Reliability508.00400.0
Release Cadence2110.00211.1
Integrations08.000.0-
Github Activity018.000.0
Security Posture013.000.0-
Pricing Transparency08.000.0-
Stackoverflow Activity012.000.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d0mediumsource · 2026-08-03 · 65%

Adoption

AttributeValueEvidence
Github stars50,051highsource · 2026-08-03 · 90%
Package downloads weekly428,840highsource · 2026-08-03 · 85%

Features

AttributeValueEvidence
Capabilities{"paradigm":"CSS framework based on Flexbox","bundle_size":"small","virtual_dom":false,"component_model":true,"router_official":false,"state_management":false,"typescript_first":false,"signals_reactivity":false}mediumsource · 2026-08-03 · 60%

Language

AttributeValueEvidence
PrimaryCSShighsource · 2026-08-03 · 90%

License

AttributeValueEvidence
SpdxMIThighsource · 2026-08-03 · 99%

Pricing

AttributeValueEvidence
Modelcommerciallowsource · 2026-08-03 · 40%
Price levelfreemediumsource · 2026-08-03 · 60%

Release

AttributeValueEvidence
Cadence days142mediumsource · 2026-08-03 · 70%

Reliability

AttributeValueEvidence
Status pageYesmediumsource · 2026-08-03 · 60%