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A free, local-first Markdown notebook for macOS and Windows.

A free Markdown notebook that stores notes as ordinary files and offers optional encrypted sync.

Local-first app that captures daily fragments and uses AI to turn them into structured personal records.

Scan or import personal documents and find them again by keyword.

A mobile vault with editable data categories

Filter and revise sections across many text files

A local-first vault connected to a browser through your device

Cross-platform backup and restore for PC game saves

Create repeatable one-way or two-way file jobs

Move files among devices, NAS, servers and cloud drives

An Android vault with offline storage and encrypted backups

Keep a working folder and an encrypted folder in sync

Device protection with household security extras

A lightweight local Markdown knowledge base with tags, search, and a note graph.

Apple expense tracking with a free starter budget and recurring-entry controls

A managed, PostgreSQL-compatible database on Google Cloud with a console-based SQL workflow.

Separate crypto signing from network access with Vault and Wallet apps

Aptos accounts with social login and an optional recovery phrase

Choose Bitcoin coins for payment and carry labels between wallets

A multichain wallet with native-coin atomic swaps built in

Experiment with Lightning-funded ecash and NFC transfers

Manual expense tracking with optional personal-cloud synchronization

An open-source iPad notebook for Apple Pencil writing and PDF markup.

Bitcoin ecosystem accounts with hardware and backup choices