Available worldwide
What is Bulma?
A free, open-source CSS library providing pre-built components and utilities for constructing responsive web layouts. It uses Flexbox and CSS Grid as its foundation with CSS Variables for customization, requiring only a single CSS file and no JavaScript to get started.
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.
- Paradigm
- Flexbox and Grid-based CSS component framework
- Reusable component model
- ✓
- Virtual DOM
- -
- Signals / fine-grained reactivity
- -
- SSR support
- -
- First-class TypeScript
- -
- Built-in state management
- -
- Official router
- -
- Runtime size
- Small (10–40kb)
Platform & deployment
Independently observed- Web
- Cloud / SaaS
- Self-hosted
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Bulma FAQ
Common questions about Bulma, answered from independent, dated evidence.
What is Bulma?
A free, open-source CSS library providing pre-built components and utilities for constructing responsive web layouts. It uses Flexbox and CSS Grid as its foundation with CSS Variables for customization, requiring only a single CSS file and no JavaScript to get started. It is indexed under Frontend UI Frameworks.
Source: https://bulma.io/
Is Bulma free to use?
Bulma is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.
Source: https://bulma.io/
What platforms does Bulma support?
We have confirmed browser-based access to Bulma. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.
Source: https://bulma.io/
Can Bulma be self-hosted?
Yes. Bulma can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://bulma.io/
Is Bulma open source?
Yes. Bulma is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Source: https://github.com/jgthms/bulma
Bulma alternatives
Other frontend ui frameworks we track, ranked by the same independent score.
- Vue.jsmedium · 71%
- PreactA minimalist UI framework that provides component-based development without the performance cost of larger alternatives.medium · 72%
- AngularA web framework for building performant, scalable applicationsmedium · 59%
- Vue.jsJavaScript framework for building interactive web interfaceshigh · 77%
- SvelteA compiler-based web framework for building responsive componentsmedium · 72%
- ReactBuild interactive user interfaces for web and native platforms using reusable componentsmedium · 73%
The vioscaleAI 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.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package downloads | 72 | 0.17 | 12.5 | ✓ |
| Dependent projects | 80 | 0.08 | 6.4 | ✓ |
| Stars | 89 | 0.03 | 2.9 | ✓ |
| Release cadence | 37 | 0.07 | 2.5 | ✓ |
| Capabilities | 29 | 0.08 | 2.4 | ✓ |
| Security score | 28 | 0.05 | 1.5 | ✓ |
| Integrations | 0 | 0.05 | 0.0 | - |
| Development activity | 0 | 0.12 | 0.0 | ✓ |
| Security posture | 0 | 0.09 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
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
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 0 | mediumsource · 2026-09-10 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 5 items | mediumsource · 2026-09-10 · 68% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Paradigm: Flexbox and Grid-based CSS component framework · Bundle size: small · Component model: Yes | mediumsource · 2026-08-13 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | CSS | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-09-10 · 99% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-13 · 75% |
Pricing
Release
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-03 · 60% |
Security
Is Bulma the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Bulma against the rest of the frontend ui frameworks we index, using the same dated evidence weighted your way.
Free to run, no account needed to start. How the evaluation works
Is this your product?
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