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Category
Developer Tools
Pricing
Open Source
Type
TOOL
GitHub
116 stars
Added
May 26, 2026

About

Production-ready Python event bus with async/sync handlers, FIFO/concurrency options, and WAL persistence. Powers the browser-use library.

Why it made the leaderboard

The event bus that powers browser-use, available standalone: async and sync handlers, FIFO or concurrent dispatch, and WAL persistence so events survive a crash. Production-grade plumbing for Python apps that have outgrown ad-hoc callbacks.

Tags

pythonevent-busasyncpydantic

Tech Stack

Python

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