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Keep crypto transaction history and report calculations on your computer

Native Markdown notes for Mac and iPhone, stored in files you can open elsewhere.

Use a small Java SQL database in embedded, in-memory, or client/server mode through JDBC.

An AI-assisted diary for private or shared entries, reflections, plans, and memories.

Review UK crypto records with private account data and tax-year previews

Mobile and browser wallet with backup and transaction checks

Multichain portfolio tracking with an explicit backup-validation step

Cardano and Bitcoin wallets with platform-specific network support

A managed business messenger with group chat, calling, file sharing, and organization controls.

A secure messaging product for internal teams and external stakeholders with Matrix interoperability.

Bitcoin and Lightning payments with a separate Emergency Kit backup

A self-hostable Matrix chat client with encrypted channels, calls, and screen sharing.

Keep team chat and calls on a self-hosted collaboration platform.

A computational canvas for connecting evidence, assumptions, data, and forecast charts.

Free browser-based team chat for startup groups, channels, and voice or video calls.

A desktop note environment for Markdown, source files, mind maps, PDFs, and other formats.

AI tools for upscaling, sharpening, denoising, restoring, colorizing, cartoonizing and removing backgrounds in images and video.

Native Mac app for switching between many AI models in one workspace

Ask a live database or spreadsheet questions in plain English and turn the answers into dashboards, reports and alerts.

AI document vault with smart pockets, reminders and secure sharing.

Build a personal AI agent that chats, calls, schedules and files for you

An Android private-data suite with a folder-based password vault

Browser-based mail with OpenPGP keys and digital signatures

Encrypted mail with recipient authentication and access revocation