* [Penpal v8.0.0](https://github.com/Aaronius/penpal) – Simplifies communication with iframes, workers, and windows using promise-based postMessage methods.

* [Obsidian Custom Frames 2.6.0](https://github.com/Ellpeck/ObsidianCustomFrames) – Obsidian plugin that embeds web apps as styled iframe panes, with preset frames and Markdown code block support for quick in-editor views.

* [zoid v10.6.0](https://github.com/krakenjs/zoid) – Cross-domain component toolkit for rendering iframes or popups and enabling props, callbacks, and framework integrations.

* [Open Iframe Resizer v2.4.1](https://github.com/Lemick/open-iframe-resizer) – Modern, lightweight iframe resizer that dynamically adjusts iframe dimensions to fit content.

* [Muximux v3.3.3](https://github.com/mescon/Muximux) – Self-hosted homelab dashboard with optional built-in reverse proxy enabling stubborn apps to load inside iframes.