Mktero: open-source Zotero 7–10 plugin — PDF → Markdown with jump-back to the original, optional Obsidian export. MIT, v0.7.1 Beta; default hosted convert or bring MinerU/Mistral. Researched October 31, 2026.
Shutter (oubuild): Tauri cross-platform screenshot + annotate + pin, with OpenAI-compatible vision for OCR/translate. MIT, v0.4.3. Not the old Linux shutter-project. Researched October 29, 2026.
MiniCPM OCR is an independent OCR web app on OpenBMB MiniCPM-OCR 1.0 (not the official console): upload image/PDF, proof against original, export Word/Markdown/JSON. Free trial 1 doc ≤3 pages. Researched October 29, 2026.