OpenAEC-Foundation / open-pdf-studio

An open source PDF viewer/editor with it's own blazing fast rust engine

syabro / neat-annotations

Hand-drawn CSS annotations for inline content

omdsh-dev / dsh-annotation

DSH Web 选中批注插件：选文字→批注→回车随消息发送；气泡隐藏批注块（零闪烁）；回复按 Annotation N 逐条对照（可悬浮芯片）。官方 bundle，零核心改动

thyron922 / OmniTag-Forge

SmartLabelBench 2026: LLM-Powered Auto Annotation and Dataset Builder for Everything

Softinator-TechLabs / feedbacks-oss

Your team’s slate for the web. Capture, annotate and discuss website feedback with your team and coding assistants. Self-hosted app, Chrome extension and MCP.