Download RunSpace
A fast desktop client built in Qt/C++. Encrypted messages, voice calls and file sharing.
✓ Free
until open source release
Version 1.0.0 · Qt 6 · C++ · Windows 10+
Platforms
Linux
AppImage · Coming soon
Universal AppImage, works on most modern Linux distributions.
⏳ In development
What's included
End-to-end encryption — Messages are encrypted with RSA-OAEP + AES-256-GCM before leaving your device.
Instant messaging — Real-time DMs and group chats via SignalR WebSockets.
Voice & video calls — Peer-to-peer via WebRTC. No middleman, no recording.
File sharing — Send images and files directly in chat.
Native performance — Built in Qt 6 / C++. Lightweight and fast.
Self-hosted — Connects to
runspace.cloud or your own server.System Requirements
OS
Windows 10+
RAM
2 GB
Storage
~80 MB
Network
Required
Installation Guide
1
Download the installer
Click the Download .exe button above to download
runspace-setup-v3.exe.2
Run the installer
Double-click the file and follow the setup wizard. Windows may show a SmartScreen warning — click More info → Run anyway.
3
Launch RunSpace
Open RunSpace from your Start Menu or Desktop shortcut.
4
Log in
Sign in with your RunSpace account at
runspace.cloud, or register a new one for free.