Rive is a design tool and runtime for interactive animations that ship to web, mobile and games.. The tools below share its categories (Developer Tools, UI Libraries). Most are still pre-launch, so you are comparing direction and early access rather than finished feature lists.
M3e Canvas
LaunchedSketch Material 3 Expressive screens in the browser and turn them into vibe-coding prompts.
tldraw
LaunchedAn infinite canvas SDK for React, and the whiteboard built on top of it.
Aceternity UI
LaunchedThe React component library for beautiful landing pages.
aclif
LaunchedA framework for building command-line tools that AI agents use to reach SaaS platforms.
Biome
LaunchedA fast formatter and linter for JavaScript, TypeScript, JSON and CSS in one tool.
boxes.dev
LaunchedCloud computers for coding agents such as Claude Code and Codex, managed from desktop, phone or terminal.
Bun
LaunchedA fast JavaScript runtime, bundler, test runner and package manager in one binary.
Command Center
LaunchedAn agentic coding environment for running AI agents in parallel and reviewing their edits.
Copperhead
LaunchedAn open-source AI engineering platform for designing, verifying and shipping circuit boards.
Cursor
LaunchedAn AI code editor built on VS Code, with codebase-aware chat, edits and agents.
Drop
LaunchedA rootless Linux sandbox for isolating coding agents and third-party programs.
Extend UI
LaunchedAn open-source React UI kit for document apps: PDF, DOCX, XLSX and CSV viewers and more.
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