Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
Annotations GitHub Repositories (2026) · Open Source Tools
Discover the best Annotations open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
Web Extension for saving a faithful copy of a complete web page in a single HTML file
CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.
Live overlay for drawing, annotating, presenting with zoom, hiding text, and capturing screenshots on Linux. Can be used as whiteboard or blackboard. Packed with features. Highly customisable. Written in Rust.
Label Studio is a multi-type data labeling and annotation tool with standardized output format
An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.
Native Markdown reader for macOS. Keep it open while you write and it follows every save. Comment on a phrase and the note is saved into the .md file itself. Your coding agent can open a plan here and wait while you mark it up.
An open-source, web-based 'multi-up' viewer that supports zoom-pan-rotate functionality, ability to display/compare simple images, and images with annotations.
SingleFile version compatible with Manifest V3
A modern annotations-driven commands framework for Java and Kotlin
Backchannel brings the internet's conversations into whatever you're reading. It blends Hacker News, Bluesky, Reddit, and more into a single discussion thread beside any page, then brings those sources together into a blended front page when you're ready to find something new.
Ensure Android runtime permissions using annotations only
A dependency injection framework for PHP
PDF Rendering and Viewing API in Java
Compile time processed, annotation driven, no reflection SQLite database layer for Android
Draw on top of code in your terminal to explain, debug and teach.
Show svelte-check's Svelte and TypeScript errors in GitHub pull requests and GitLab merge requests: Code Quality reports, Actions annotations and SARIF for code scanning.
Image annotation with Python. Supports polygon, rectangle, circle, line, point, and AI-assisted annotation.
Open-source native macOS AI reading workspace for PDF, EPUB, and TXT with highlights, notes, book chat, and local-first storage. Download: reader.marvy101.com/download