waitbus is a local asynchronous event bus designed to enable communication between coding agents, developer tools, CI jobs, tests, and containers running on the same machine. It addresses the problem of isolated tools and agents—such as coding assistants from different vendors—not being able to detect when others finish or fail. By providing a shared event system, waitbus allows every tool on a local machine to instantly receive notifications when any connected process completes or encounters an error, eliminating the need for each tool to implement its own polling mechanism.
The tool operates fully offline, requiring no cloud connectivity or user accounts. This makes it suitable for developers and teams who need reliable, real-time coordination between multiple agents or automated processes on a single machine. waitbus has been demonstrated in scenarios involving five distinct large language model agents and developer tools, all reacting to shared events with low latency, specifically in the range of 32 to 51 milliseconds.
waitbus is delivered as a command-line interface, with a zero-install demonstration available. Installation resources and documentation are provided via its GitHub repository. The tool is positioned as a solution for developers seeking to unify event-driven workflows across disparate local tools and agents without relying on external infrastructure.
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waitbus sits in PulseGate's CLI tools & terminal category. It focuses on coordinating multiple coding agents and developer tools locally without cloud dependencies or polling loops. waitbus is an open-source project aimed at developers. The project is open source (MIT). The product ships for the command line, and it can be self-hosted.
Sankalp Gilda builds and maintains waitbus, and the product first shipped in 2026. The project is developed in the open on GitHub with 38 commits in the last 90 days. Among its 5 catalogued features are async event bus, agent coordination, and offline mode.
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