Add/verify Advanced Electronic Signature (AES) and Qualified Electronic Signature (QES) in PDF (using pure Go)

Fast synchronous key-value storage for React Native via react-native-mmkv (Nitro-backed). Covers creating and configuring MMKV instances, reading/writing all value types (string, number, boolean, buffer), React hooks for reactive UI, value-change listeners, encryption, AsyncStorage migration, and state-management integrations (zustand, redux-persist, jotai, react-query). Also covers storage limits, multi-process mode, and the V4 upgrade from the class-based API.

Control AI coding agents (Claude Code, Codex, Kimi) from your phone via Riffpad. Use when the user wants to watch, approve, or steer a coding agent remotely / set up Riffpad / pair their phone / keep a long-running agent session going while away from the computer.