Current version: 1.0.0 (March 2026)
CGraph is proprietary software. Self-hosting is not permitted. All users must access CGraph through the officially hosted platform at cgraph.org.
See LICENSE for complete terms.
| Feature | CGraph | Competitors |
|---|---|---|
| End-to-End Encryption | ✅ PQXDH + Triple Ratchet (PQ) | |
| OAuth Authentication | ✅ Google, Apple, Facebook | ✅ Common |
| Community Forums | ✅ Built-in | ❌ |
| Gamification | ✅ Achievements & Cosmetics | ❌ |
| Subscription Tiers | ✅ Free, Premium, Enterprise | |
| Role Permissions | ✅ Granular | |
| Referral System | ✅ Tiered rewards & leaderboards | ❌ |
| Offline Support | ✅ Full queue & auto-sync |
CGraph is a communication platform that puts chat, forums, and encryption together instead of making you duct-tape three different apps. It also has achievements and cosmetic customization to keep community engagement fun.
- Messages show up instantly — typing indicators, read receipts, the works
- E2EE via PQXDH + Triple Ratchet (post-quantum, based on Signal Protocol Rev 4)
- Voice messages with waveform visualization
- 1:1 and group calls over WebRTC (voice, video, screen share)
- Reactions, edits, deletes, forwarding, GIF search
- Syncs across web, iOS, and Android
- Organized servers with unlimited channels
- Channel categories for organization
- Custom roles with 20+ granular permissions
- Invite links with expiration and usage limits
- Audit logs for moderation
- Custom emoji support
- Posts with upvote/downvote and karma
- Nested comments (no depth limit)
- Thread prefixes, categories, polls
- Leaderboards per forum
- Moderator tools (pin, lock, move, split, merge)
- Rich text editor + BBCode parser with syntax highlighting
- RSS/Atom feeds
- 50+ Achievements across 6 categories (Social, Content, Exploration, Mastery, Legendary, Secret)
- Titles & Badges — cosmetic unlocks you can equip
- Profile Themes — customize your profile appearance
- Avatar Borders — unlock decorative avatar frames
- Chat Effects — animated message effects
- Marketplace — browse and equip cosmetic items
- E2EE — AES-256-GCM + PQXDH key exchange (ML-KEM-768 + P-256)
- Triple Ratchet — post-quantum forward secrecy, per-message key derivation
- 2FA — TOTP with backup codes
- OAuth — Google, Apple, Facebook, TikTok
- HTTP-only cookies — no JS access to tokens
- Trusted proxy validation — stops IP spoofing behind Cloudflare
- Magic byte file validation — server checks actual file type, not just headers
- Zero-knowledge — server stores encrypted blobs, can't read messages
- GDPR — full data export and account deletion
| Tier | Features |
|---|---|
| Free | 1 forum/group, basic features, 100MB storage |
| Premium | 5 forums/groups, custom themes, HD video, 5GB storage |
| Enterprise | Unlimited forums/groups, SSO/SAML, SLA, API access |
- iOS and Android via React Native + Expo SDK 54
- Biometric auth (Face ID, fingerprint)
- Push notifications, camera integration
- Full offline support — queues messages/reactions while offline, syncs when you're back
- Exponential backoff on retries so it's not hammering the server
- Referral codes with tiered rewards
- Leaderboards (daily, weekly, monthly, all-time)
- Track who signed up, claim rewards at each tier
- Native share sheets on iOS and Android
Visit cgraph.org to create your account and start using CGraph.
Access CGraph directly in your browser at app.cgraph.org.
Mobile apps for iOS and Android built with React Native + Expo SDK 54. Feature parity with web across 17 capabilities including biometric auth, offline sync, push notifications, and E2EE. App Store and Google Play releases are planned.
For developers, CGraph provides a REST API. See our API Documentation.
# Example: Get current user (production URL: cgraph-backend.fly.dev)
curl -H "Authorization: Bearer YOUR_TOKEN" https://cgraph-backend.fly.dev/api/v1/me| Plan | Price | Features |
|---|---|---|
| Free | $0/forever | Unlimited messaging, 1 forum/group, basic features, 100MB |
| Premium | $9.99/mo | 5 forums/groups, custom themes, HD video, 5GB storage |
| Enterprise | Custom | Unlimited everything, SSO/SAML, SLA, dedicated support, API |
Visit cgraph.org/pricing for full details.
| Layer | Technology |
|---|---|
| Backend | Elixir 1.18+ / Phoenix 1.8 / PostgreSQL 16 |
| Web | React 19 / Vite / TailwindCSS / Zustand |
| Mobile | React Native 0.81 / Expo SDK 54 |
| Real-time | Phoenix Channels (WebSocket) |
| Encryption | PQXDH + Triple Ratchet / AES-256-GCM / ML-KEM-768 |
| Payments | Stripe (subscriptions, webhooks) |
| Hosting | Fly.io (backend) / Cloudflare Pages (web) / Vercel (landing) / Cloudflare (CDN) |
CGraph splits the marketing site and the actual app into two separate builds:
┌──────────────────────┐ ┌──────────────────────┐
│ LANDING APP │ │ WEB APP │
│ cgraph.org │ │ app.cgraph.org │
│ │ │ │
│ • Marketing site │ Login → │ • Authenticated │
│ • Pricing/Features │ ─────────► │ • Messages/Groups │
│ • Legal pages │ │ • Forums/Settings │
│ • Company info │ │ • Voice/Video │
│ │ │ │
│ apps/landing/ │ │ apps/web/ │
└──────────────────────┘ └──────────────────────┘
│ │
└──────────────┬───────────────────────┘
│
▼
┌──────────────────────┐
│ BACKEND API │
│ api.cgraph.org │
│ (Fly.io) │
│ │
│ • Elixir/Phoenix │
│ • PostgreSQL │
│ • WebSocket │
│ │
│ apps/backend/ │
└──────────────────────┘
- Size: Landing page is ~200KB. The full app is ~2MB. Visitors reading the pricing page shouldn't download the crypto library.
- SEO: Landing pages need to be crawlable. The app is a client-side SPA behind auth.
- Caching: Landing gets CDN-cached globally. The app is dynamic.
- Independence: They deploy separately with different CI pipelines.
| App | URL | Deploy Platform | Purpose |
|---|---|---|---|
| Landing | cgraph.org | Vercel (apps/landing) |
Marketing, SEO |
| Web App | app.cgraph.org | Cloudflare Pages (apps/web) |
Authenticated app |
| Backend | api.cgraph.org | Fly.io (apps/backend) |
API |
See CLAUDE.md for detailed architecture documentation.
- Help Center: help.cgraph.org
- Email: hello@cgraph.org
- Status: status.cgraph.org
© 2025-2026 CGraph. All Rights Reserved.