Excaliflow adds multi-canvas tabs, built with Gemini 4 Argon in one Antigravity session

Shubham Saboo @Saboo_Shubham_Originally posted 2026.10.18

Open original on X

Excaliflow just got multi-canvas tabs and auto-save. You asked for it on X, so I shipped it. Added this with Gemini 4 Argon in Antigravity in one session. It's 100% open-source: https://github.com/Shubhamsaboo/awesome-llm-apps/tree/main/advanced_llm_apps/excaliflow

This post quotes another post: “Gemini 4 Argon app built in Antigravity is now open source”