Modern • Secure • Hella Fast
The Usenet client for macOS, Windows, and Linux. Encrypted vault storage, blazing fast downloads, and a beautiful interface you'll actually enjoy using.
Already activated? · Questions? support@nyxpost.com
HOW IT WORKS
Download
Grab the installer for your platform. NyxPost runs natively on macOS, Windows, and Linux.
Try It Free
Request a trial key. It's bound to your machine — no credit card, no commitment, no strings.
If You Like It
Support the project via Ko-fi or Buy Me a Coffee. Include your machine ID in your message.
Activated
A permanent activation key is sent to you as a gift — manually, on your timeline, yours forever.
FEATURES
Encrypted Vault
Your NZBs are stored encrypted and never lost. Built-in search makes finding them easy. Biometric unlock on all platforms. Your collection stays private and organized.
Blazing Fast
Up to 100 simultaneous connections. SIMD-optimized yEnc decoding. Saturate your gigabit connection.
Beautiful Interface
5 themes including Cyberpunk and Matrix modes. Native apps with smooth animations and dark mode done right.
Smart PAR2
par2cmdline-turbo downloads only the repair blocks you need. Automatic verification and repair of damaged files.
Direct Unpack
Streaming RAR extraction starts while downloading. LZ4 on-the-fly decompression. Get to your content faster.
Multi-Language
Available in English, German, Spanish, French, and Russian. More languages coming soon.
TECHNICAL SPECS
🔒 Security
- XSalsa20-Poly1305 vault encryption
- XChaCha20-Poly1305 NZB encryption
- Argon2id key derivation
- NZB vault with search & compression
- Requeue, export, edit, or delete from vault
- Hidden tasks tab (vault-protected)
- Biometric unlock (Touch ID, Windows Hello, Linux fingerprint)
- OS Keychain/Credential Manager
- Anonymous posting mode
- Secure memory wiping
🌐 Network
- SSL/TLS connections (port 563)
- Up to 100 simultaneous connections
- Multi-server profiles
- Saved newsgroups with one-click toggle
- Resume interrupted uploads/downloads
- VPN-friendly (survives network changes)
- Configurable timeouts
- Custom user agent
- Bandwidth throttling
⚙️ Processing
- SIMD-optimized yEnc (rapidyenc)
- LZ4 or RAR compression*
- Direct Unpack streaming extraction
- par2cmdline-turbo verification & repair
- Smart PAR2 & auto-extract archives
- Password auto-detection from NZB
- Batch NZB import
- NZB auto-saved to vault
- Custom tool paths (PAR2, UnRAR)
- Auto-cleanup temp files
📤 Upload
- Drag & drop files and folders
- Automatic LZ4 compression
- par2cmdline-turbo generation (0–50%)
- Randomize poster, message IDs, subjects
- Obfuscate filenames & newsgroups
- Custom subject templates & headers
- Configurable article size & splitting
- Segment verification
- NZB auto-saved to vault
🖥️ Interface
- Native Qt6/QML framework
- Resizable/collapsible panels
- Live metrics monitoring
- Integrated file browser
- Configurable queue order
- Custom lock screens
- System tray integration
- Desktop notifications & sounds
- 5 themes (including Matrix mode)
- 5 languages supported
⚡ Power & Automation
- Sleep prevention during transfers
- Resume protection (auto-checkpoint)
- Auto shutdown when complete
- Quiet hours scheduling
- Auto save settings
- Vault export/import transfer
* RAR compression requires WinRAR license from rarlab.com. UnRAR (decompression) is free.
SUPPORT THE PROJECT
NyxPost is free to try for 3 days. No credit card, no commitment — just download and go.
If it earns a place in your workflow, choose the tier that fits. Every activation tier includes all future versions — no upgrade fees, ever. Activation keys are sent manually, usually within 24h.
Leave your machine ID and chosen tier in the message field. Activation keys are sent manually — usually within 24h.
OPEN KO-FI →Same process — include your machine ID and chosen tier in the supporter note. Keys sent manually.
OPEN BMAC →NyxPost is provided as donationware. The software is free to download and evaluate for 3 days. Activation keys are issued in response to support contributions — they are never sold. Minimum contribution amounts apply per tier to help sustain development. All tiers include every future major version — no upgrade fees, ever. Monthly contributions are managed through Ko-fi or Buy Me a Coffee.
Download. Evaluate. Decide.
No payment required. Request a trial key and see what NyxPost can do on your machine.
SYSTEM REQUIREMENTS
- macOS: 14.0 (Sonoma) or later — Apple Silicon & Intel
- Windows: Windows 10/11 (64-bit)
- Linux: Ubuntu 24.04+ (x86_64)
- 100 MB disk space
- Active internet connection