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---
layout: home
hero:
name: License Manager
text: Software Licensing Platform
tagline: Professional license code generation, distribution, validation, and management services for software systems
image:
src: /images/logo.png
alt: License Manager
actions:
- theme: brand
text: Getting Started
link: /en/guide/getting-started
- theme: alt
text: Live Demo
link: http://lm.cedar-v.com
- theme: alt
text: GitHub
link: https://github.com/cedar-v/license-manager
---
## Key Capabilities
<section class="lm-feature-grid" aria-label="Key Capabilities">
<article class="lm-feature-card" style="--accent-from:#3b82f6; --accent-to:#22d3ee;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:user-id-bold-duotone"></iconify-icon>
</div>
<div>
<h3>Customer Management</h3>
<p>Unified profiles, contacts, license relations, plus risk control policies.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#8b5cf6; --accent-to:#ec4899;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:slider-minimalistic-horizontal-bold-duotone"></iconify-icon>
</div>
<div>
<h3>License Generation</h3>
<p>Online/offline modes, batch delivery, fingerprint binding, and key encryption.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#f97316; --accent-to:#facc15;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:chart-2-bold-duotone"></iconify-icon>
</div>
<div>
<h3>License Management</h3>
<p>Lifecycle visibility, expiration alerts, lock/unlock, and full audit trails.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#0ea5e9; --accent-to:#14b8a6;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:suitcase-lines-bold-duotone"></iconify-icon>
</div>
<div>
<h3>Deployment Package</h3>
<p>Generate configuration-ready bundles automatically for streamlined delivery.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#14b8a6; --accent-to:#22d3ee;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:link-minimalistic-2-bold-duotone"></iconify-icon>
</div>
<div>
<h3>API Services</h3>
<p>RESTful APIs for validation, activation, heartbeat, and tenant isolation.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#a855f7; --accent-to:#ec4899;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:user-hand-up-bold-duotone"></iconify-icon>
</div>
<div>
<h3>User Self-Service</h3>
<p>Mobile registration, online purchase & payment, device binding activation, order & invoice management.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#f43f5e; --accent-to:#fb7185;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:rocket-bold-duotone"></iconify-icon>
</div>
<div>
<h3>High Performance</h3>
<p>Go coroutines handle 10k+ concurrency with &lt;50 ms responses and &lt;100 MB memory.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#0f172a; --accent-to:#475569;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:shield-minimalistic-bold-duotone"></iconify-icon>
</div>
<div>
<h3>Security & Reliability</h3>
<p>JWT auth, HMAC-SHA256 signatures, hardware binding, HTTPS encryption.</p>
</div>
</article>
<article class="lm-feature-card" style="--accent-from:#16a34a; --accent-to:#4ade80;">
<div class="lm-feature-icon">
<iconify-icon icon="solar:earth-bold-duotone"></iconify-icon>
</div>
<div>
<h3>Cross-Platform</h3>
<p>Multi-platform fingerprinting, Docker deployment, and system service support.</p>
</div>
</article>
</section>
## Live Demo
Access: [lm.cedar-v.com](http://lm.cedar-v.com)
**Login Credentials:**
- Username: `admin`
- Password: `admin@123`
::: tip Note
This is a demonstration environment where you can experience the core features. We are continuously developing, and more features will be released soon.
:::
## Quick Installation
Check out the [Getting Started Guide](/en/guide/getting-started) for detailed deployment steps and configuration instructions.
## Tech Stack
<div class="tech-grid">
<div class="tech-category">
<h3>Frontend</h3>
<ul>
<li>Vue.js 3+</li>
<li>Modern UI Components</li>
</ul>
</div>
<div class="tech-category">
<h3>Backend</h3>
<ul>
<li>Go 1.23+</li>
<li>Gin Framework</li>
<li>GORM</li>
<li>Viper Config</li>
<li>Logrus Logging</li>
</ul>
</div>
<div class="tech-category">
<h3>Database</h3>
<ul>
<li>MySQL 8+</li>
</ul>
</div>
<div class="tech-category">
<h3>Deployment</h3>
<ul>
<li>Docker</li>
<li>System Service</li>
</ul>
</div>
</div>
## Open Source License
This project is licensed under the [GPL-3.0](https://www.gnu.org/licenses/gpl-3.0.html) license
- ✅ Free to use, study, modify, and distribute
- ✅ Personal and commercial use allowed
- ⚠️ Logo, trademarks and other brand elements may not be modified when used under open source license
- ⚠️ Derivative works must also be open source
- ℹ️ For proprietary licenses, brand customization, or commercial support, please contact the maintainers
## Join Community
<div class="community">
<img src="/images/qrcode_1755081220153.jpg" alt="QQ Group QR Code" width="200" />
<div>
<h3>Scan to Join QQ Group</h3>
<ul>
<li>Share experiences and best practices</li>
<li>Ask questions and get help</li>
<li>Participate in feature discussions</li>
<li>Provide feedback and suggestions</li>
</ul>
</div>
</div>
<style>
.lm-feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
gap: 1.5rem;
margin: 2.5rem 0 3rem;
}
.lm-feature-card {
display: flex;
gap: 1rem;
padding: 1.35rem;
border-radius: 1rem;
border: 1px solid color-mix(in srgb, var(--vp-c-divider) 80%, transparent);
background: color-mix(in srgb, var(--vp-c-bg), var(--vp-c-bg-soft) 55%);
transition: border-color 0.2s ease, background 0.2s ease;
}
.lm-feature-card:hover,
.lm-feature-card:focus-within {
border-color: color-mix(in srgb, var(--vp-c-brand) 65%, transparent);
background: color-mix(in srgb, var(--vp-c-bg-soft) 85%, var(--vp-c-brand) 10%);
}
.lm-feature-icon {
width: 3rem;
height: 3rem;
border-radius: 0.8rem;
display: inline-flex;
align-items: center;
justify-content: center;
background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
color: #fff;
border: 1px solid color-mix(in srgb, #fff 25%, transparent);
flex-shrink: 0;
}
.lm-feature-icon iconify-icon {
width: 1.8rem;
height: 1.8rem;
font-size: 1.8rem;
line-height: 1;
}
.lm-feature-card h3 {
margin: 0;
font-size: 1.05rem;
color: var(--vp-c-text-1);
}
.lm-feature-card p {
margin: 0.3rem 0 0;
color: var(--vp-c-text-2);
line-height: 1.5;
}
.tech-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1.5rem;
margin: 2rem 0;
}
.tech-category {
background: color-mix(in srgb, var(--vp-c-bg), var(--vp-c-bg-soft) 65%);
border-radius: 0.9rem;
padding: 1.35rem;
border: 1px solid var(--vp-c-divider);
}
.tech-category h3 {
margin: 0 0 0.85rem 0;
font-size: 1.05rem;
color: var(--vp-c-brand);
}
.tech-category ul {
list-style: none;
padding: 0;
margin: 0;
}
.tech-category li {
padding: 0.45rem 0;
color: var(--vp-c-text-2);
}
.tech-category li:before {
content: "·";
display: inline-block;
width: 1rem;
color: var(--vp-c-brand);
}
.community {
display: flex;
align-items: center;
gap: 2rem;
margin: 2rem 0;
padding: 1.5rem;
border-radius: 1rem;
border: 1px solid var(--vp-c-divider);
background: color-mix(in srgb, var(--vp-c-bg), var(--vp-c-bg-soft) 60%);
flex-wrap: wrap;
}
.community img {
border-radius: 0.75rem;
}
.community ul {
list-style: none;
padding: 0;
margin: 0;
}
.community li {
padding: 0.3rem 0;
color: var(--vp-c-text-2);
}
.community li:before {
content: "✓ ";
color: var(--vp-c-brand);
font-weight: 600;
}
@media (max-width: 720px) {
.community {
flex-direction: column;
text-align: center;
}
.lm-feature-card {
padding: 1.25rem;
}
}
</style>