Moment.js
A JavaScript library for date and time manipulation and formatting
- Vendor
- OpenJS Foundation
- Also known as
- moment-js
What is Moment.js?
A JavaScript library that simplifies date and time operations, providing utilities for parsing various date formats, validating dates, manipulating time values, and formatting output with support for multiple locales.
Moment.js pricing
We don't have Moment.js's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
Platform & deployment
Independently observed- CLI
- Web
Security & compliance
Known vulnerabilities: 6 (1 in the last 12 months), max severity HIGH sourcea count reflects scale & disclosure, not quality
Moment.js FAQ
Common questions about Moment.js, answered from independent, dated evidence.
What is Moment.js?
A JavaScript library that simplifies date and time operations, providing utilities for parsing various date formats, validating dates, manipulating time values, and formatting output with support for multiple locales. It is indexed under JavaScript Tooling.
Source: https://momentjs.com
Is Moment.js free to use?
Moment.js 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://momentjs.com
What platforms does Moment.js support?
Moment.js supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://momentjs.com
Is Moment.js open source?
Yes. Moment.js 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/moment/moment
Moment.js alternatives
Other javascript tooling we track, ranked by the same independent score.
Compare Moment.js
Side by side against other javascript tooling, attribute by attribute, with a source on every value.
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 Moment.js, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Dependent projects | 100 | 0.08 | 8.0 | ✓ |
| Development activity | 45 | 0.12 | 5.4 | ✓ |
| Release cadence | 72 | 0.07 | 4.8 | ✓ |
| Security score | 61 | 0.05 | 3.2 | ✓ |
| Stars | 88 | 0.03 | 2.9 | ✓ |
| Capabilities | 0 | 0.08 | 0.0 | - |
| Integrations | 0 | 0.05 | 0.0 | - |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 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 | 26 | mediumsource · 2026-09-14 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 4 items | mediumsource · 2026-09-10 · 69% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | JavaScript | highsource · 2026-10-14 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-10-14 · 95% |
Pricing
Release
Security
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