







I made a Codex-native app that can transfer highlights from my paperbacks to my ebook copies.Osmo Pocket takes photos and sees the highlight. Takes a pic, uses OCR, then uses computer use to highlight my Kindle copy.Everything syncs on @readwise ✨ pic.twitter.com/wTD80t9QpA— Becky Isjwara (@beckyisj) October 12, 2026
Ivo Velitchkov on Twitter / X
Just took the survey of @remarkablepaper I've been using it for years now, and I still miss three basic things:1. Export of highlights from PDF and EPUB2. Links between notes and related to that:3. Persistent IDs of every object (note, notebook, folder, tag) so that they…— Ivo Velitchkov (@kvistgaard) April 12, 2024
Book Margin
Sync your book highlights and notes to your atproto account as Margin notes.
Marker — Read with intention
A reading and annotation browser for iOS and Android. Select text, create highlights, attach notes, and keep annotations on device.


Readwise Reader: The first read-it-later app built for power readers.
Save everything to one place to overcome content overload, search instantly, and highlight like a pro.

This Viral ‘Purse Kindle’ Is Tiny, Adorable, and a Lot of Work
The Xteink e-readers are compact and portable, but, with a steep learning curve, they’re not for everyone.

Martin Eden by Jack London
Free kindle book and epub digitized and proofread by volunteers.

Readwise on Twitter / X
🆕 We shipped an MCP server! You can new query your Readwise highlights inside of Claude, Cursor and more: pic.twitter.com/3HdIm4TRzJ— Readwise (@readwise) May 1, 2025
Open-source KOReader Is An Alternative To The Default Kindle Interface
“Firstly, KOReader supports way more formats than the default Kindle reader. It can read EPUBs natively (no conversion required). It even loads digital comic

Boost Blue (@boostblue.bsky.social)
An alternative Bluesky app with saved reading position, repost muting, drafts, custom themes, in app translations, custom feed filters, and more! Available for iPhone, iPad and Android! Download: https://onelink.to/boost-blue Made with #Flutter
Is there a broadly used lexicon for *book* highlights yet? (eg. for your Xteink/KOReader, or highlighted.app, highlights) (I figure this could be handy for sense-making on @semble.so, and for everyone with their new fancy xteink devices…)
idk why i haven't really tried @semble.so bookmarklets on web and ios until now. so much fun! already saved and discovered a bunch of cool stuff in just a ~day of using them. major friction for capture removed.
Big highlighting and performance improvements in @skyreader.app this week. Also shipped @margin.at integration so with one tap you can save your highlights to margin.
Skyreader update - Highlights, Margin, and Performance
skyreader-dev.leaflet.pub