Pocket to Kindle (P2K) - Send articles saved in Pocket to your Kindle

LINER - LINER AI Copilot is currently powered by ChatGPT/GPT-4, Google Search Engine, and information from high-quality highlights of an enormous number of users from all around the world.

Stash.ai - AI-powered, cross-device bookmarking

Highly for iOS - Medium-style highlighting in every app and website. 🖌

Readwise - Effortlessly rediscover and organize your Kindle highlights

Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.