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TECHNOLOGY

The technology behind our products

exapeak products are built with native technology for each operating system. Everything below is actually in a shipping product.

NATIVE APPS

Native desktop apps

Installed apps that use the operating system directly, not web pages in a wrapper.

Technology Used for Product
Rust · Tauri 2 Lightweight, fast app core with direct access to OS features photoKam · TabRail · BizBunker
C++20 · Qt 6 (QML) High-performance UI for browsing and editing huge photo libraries photoKam Radar
C# · .NET · DevExpress Business-style screens heavy on grids, trees and printing RelatiQ · Lotto Printer · QuickImageDownloader
React · TypeScript In-app UI, virtual scrolling over hundreds of thousands of items photoKam · BizBunker
LARGE LIBRARIES

Large photo-library indexing

Designed so scrolling and search stay instant even with hundreds of thousands of photos.

Technology Used for Product
SQLite catalog Local index of capture data, ratings and folder structure photoKam · photoKam Radar
Background indexer Indexing process separate from the app, with resource throttling photoKam Radar
Real-time file watching New and changed files reach the index right away photoKam Radar
libjpeg-turbo Fast JPEG decoding and thumbnails, visible area first photoKam Radar
IMAGING

RAW processing · color management

Handles the files and color spaces photographers actually use.

Technology Used for Product
LibRaw Processing RAW files such as CR2, CR3, ARW, NEF and DNG photoKam · photoKam Radar
Little CMS ICC-based color management, sRGB · Display P3 · Adobe RGB export photoKam Radar
Editing engine Tone curves, HSL, color grading, LUTs, masks and local adjustments photoKam Radar
GPU shaders Fast edit previews rendered on the graphics card photoKam Radar
AI

AI that runs on your computer

AI retouching runs on the user's own computer; photos are never sent out.

Technology Used for Product
ONNX Runtime Runs face and skin segmentation models photoKam Radar
AI skin retouch · magic select Natural adjustments applied only to the detected area photoKam Radar
AI assistant Design and edit tables through conversation RelatiQ
MCP server External AI agents can read and edit ERDs directly RelatiQ
VIDEO · MAP

Video · maps

Videos next to your photos, and where they were taken, on one screen.

Technology Used for Product
FFmpeg Built-in codecs; unsupported formats are converted automatically for playback photoKam · photoKam Radar
Leaflet · OpenStreetMap Shows capture locations on a map from GPS data photoKam · photoKam Radar
DATA

Databases · documents

Connects directly to where business data lives.

Technology Used for Product
MySQL · Oracle · PostgreSQL · SQL Server Reverse-engineer ERDs from live databases, generate DDL RelatiQ
GemBox Spreadsheet Excel import and export RelatiQ · Lotto Printer
SQLite · AES-GCM Local data storage and password-protected backups BizBunker
SYSTEM · DEVICES

System · device control

Reaches beyond the app window to the OS and connected devices.

Technology Used for Product
Win32 window control Arranges, resizes and switches other programs' windows, high-DPI aware TabRail
Precision printing Prints numbers at exact positions on preset forms Lotto Printer
ZXing · webcam QR code recognition and camera input Lotto Printer
Global input hooks Save images from the browser with a single shortcut QuickImageDownloader
DELIVERY

Delivery · updates

Every product runs on the same system, from installation to updates.

Technology Used for Product
MSI · DMG installers Windows and macOS installers photoKam · photoKam Radar · TabRail and more
Code signing Verified publisher and tamper protection for installers photoKam Radar · RelatiQ
Automatic updates New-version notices with SHA-256 integrity checks photoKam · photoKam Radar · TabRail · RelatiQ and more
Signed licenses Tamper-proof licenses that only our server can issue QuickImageDownloader
Six languages Korean, English, Japanese, French, German and Spanish UI and installers photoKam · RelatiQ and more

We build software that fits your work with this technology

Use a product as it is, or change only the parts you need.

View products → How customization works