PulseGatePost-LLM software, agents & workflows market (since 2022)
Coverage
168,496

Apps indexed

 

Freshness
34 min ago

Last update

 

Cadence
1,503/day

7-day average

Indexed today: 1,018

PulseGate

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coss ui

coss.com·Infrastructure

coss ui is an open-source UI component library built on top of Base UI, offering a wide range of reusable components such as accordions, alerts, calendars, and more. It helps frontend developers quickly build modern, consistent interfaces for web applications. The library is designed for extensibility and ease of use.

Open SourceAGPL-3.0
WebCloud-managed
C
coss ui preview
Visit coss.com↗
⭐10.1k
stars
🍴504
forks
✓12
features
📅2024
since

Overview

12 features

coss ui is an UI/UX & prototyping product. It focuses on building modern, consistent user interfaces without creating components from scratch. It is built as an open-source project for frontend developers. coss ui is open source under the AGPL-3.0 license. It runs on the web.

coss ui first shipped in 2024. Development happens publicly on GitHub with 10.1k stars and 53 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — coss ui occupies a relatively distinct niche. Key capabilities include accordion, alert, and autocomplete.

  • ✓Accordion
  • ✓Alert
  • ✓Autocomplete
  • ✓Avatar
  • ✓Badge
  • ✓Breadcrumb
  • ✓Button
  • ✓Calendar
  • ✓Card
  • ✓Checkbox
  • ✓Collapsible
  • ✓Combobox

Tags

react-componentsui-librarybase-ui-extensiondesign-systemcomponent-library

Built with & integrations

Framework
nextjs
Hosting
vercelcloudflare
Runs on
BrowserCloud-managed

Trust & compliance

LicenseAGPL-3.0
Verified signals
✓ HTTPS✓ Open Source✓ Free tier✓ GitHub · ★ 10.1k✓ Active maintenance

Recent events

Latest indexed changes and source events

  1. IndexedJun 16, 12:53 AM

    coss.com discovered by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about coss ui

What does coss ui do?
Coss ui focuses on building modern, consistent user interfaces without creating components from scratch. It is catalogued under UI/UX & prototyping on PulseGate.
Who is coss ui for?
coss ui is an open-source project built for frontend developers.
Is coss ui free?
Yes — coss ui is open source under the AGPL-3.0 license and free to use.
What platforms does coss ui run on?
coss ui runs on the web.
Is coss ui still maintained?
PulseGate's automated liveness checks currently classify coss ui as active. The GitHub repository shows 53 commits in the last 90 days.
What are alternatives to coss ui?
Similar tools tracked by PulseGate include Base UI, Tool UI, and NexUI.Base UITool UINexUI
When did coss ui launch?
coss ui first shipped in 2024.
Is coss ui open source?
Yes — coss ui is open source under the AGPL-3.0 license, developed on GitHub.

At a glance

Pricing
Open Source
Platforms
Web
Languages
English
Open source
Yes · ★ 10.1k
License
AGPL-3.0
First seen
Nov 15, 2024
Activity
🟢 Active
Status
🟢 Active
Built for
frontend developers
Model
Open source
Solves
Building modern, consistent user interfaces without creating components from scratch.

Developer

Cosscom
Community-driven
↗ GitHub

Open source

View on GitHub →
⭐ Stars
10,066
🍴 Forks
504
Open issues
11
Last commit
1mo ago
Commits 90d
53
Contributors
50
Authorship
Community-driven
Default branch
main

PulseGate index

Confidence
High · 98
Indexed
Jun 16, 2026
Lifecycle
Alive
Activity
Active
First seen
Nov 2024
Last seen
4w ago
Freshness
Unknown
Identity audit (9)
Entity ID
cmqfxjpwf0vrs2ezy8qwlgr2l
Slug
a-new-modern-ui-component-library-built-on-top-of-base-ui-co-coss-com
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 16, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jun 28, 2026
Canonical URL
https://coss.com/ui

Similar apps

Other apps tracked under the same category.

  • Base UI
    base-ui.com
  • Tool UI
    tool-ui.com
  • NexUI
    nexui.xyz
  • assistant-ui
    assistant-ui.com
  • Launch UI
    launchuicomponents.com
  • bazza/ui
    bazza.dev