toolcompass.

Find your next AI tool

Search by product name or task. Press Escape to close.

libraries.io

● Identity checked

Assistant · Vendor site 2026-10-04

Libraries.io is a free discovery service that indexes millions of open source packages across registries so developers can search by license, language, or popularity. The site surfaces security and maintenance metadata scraped from public sources to help teams evaluate dependencies before adoption.

Updated 2026-10-04View sources
Official website
Category
Assistant
Free access
Homepage states Libraries.io is a free service for searching and exploring publicly available open source package information.
API access
Not confirmed

Is libraries.io right for you?

A good fit for

Developers and maintainers researching open source libraries, licenses, and package health signals.

Before you choose

The public site focuses on discovery and metadata rather than publishing paid SaaS tiers with monthly USD pricing.

Open source package discovery

Libraries.io helps developers find and compare open source packages with maintenance and security context drawn from public registry data.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
ScopeHomepage meta describes security and maintenance data for open source software with discovery across millions of packages.Facts sourced2026-10-04
SearchMarketing copy invites users to search packages by license, language, or explore trending and popular libraries.Facts sourced2026-10-04
PricingAbout copy explains Libraries.io is a free service collecting publicly available package information from the internet.Facts sourced2026-10-04

Understand the total cost

libraries.io pricing & plans

Free

Free

Homepage states Libraries.io is a free service for searching and exploring publicly available open source package information.

Access
Homepage states Libraries.io is a free service for searching and exploring publicly available open source package information.
Explore pricing & history

Alternatives to libraries.io

View all ↗

The practical questions

Frequently asked questions

What is libraries.io used for?

Libraries.io is a free discovery service that indexes millions of open source packages across registries so developers can search by license, language, or popularity. The site surfaces security and maintenance metadata scraped from public sources to help teams evaluate dependencies before adoption.

Does libraries.io have a free plan?

Homepage states Libraries.io is a free service for searching and exploring publicly available open source package information.. This record lists ongoing free access; check the plan limits before starting.

How much does libraries.io cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use libraries.io through an API?

Not confirmed. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

The public site focuses on discovery and metadata rather than publishing paid SaaS tiers with monthly USD pricing.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.