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Flowcat
Self-hosted Rust runtime for real-time voice AI agents
Flowcat is an Apache-2.0 native-Rust runtime for real-time voice AI agents (phone + WebRTC). It runs a full voice pipeline — STT · LLM · TTS, or a single speech-to-speech model — as one self-contained binary you host in your own VPC or fully air-gapped. No hosted control plane, no per-minute billing; bring your own provider keys and a call's audio never leaves your infra. pipecat-compatible pipeline, native SIP/RTP, and dense enough to hold thousands of concurrent calls per box.
Hi PH! I built Flowcat because most voice-agent platforms are hosted SaaS — your call audio flows through someone else's cloud and you pay per minute. Flowcat is the opposite: one Rust binary you own and run yourself. It's a clean-room counterpart to pipecat's architecture, compiled to a single static binary — no GC/GIL, so one process stays flat across thousands of concurrent calls. Apache-2.0, pre-1.0, built in the open. Writeup + benchmark: https://dev.to/iam_suriyan_b9078... — would love your feedback!
About Flowcat on Product Hunt
“Self-hosted Rust runtime for real-time voice AI agents”
Flowcat was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #125 on the daily leaderboard. Flowcat is an Apache-2.0 native-Rust runtime for real-time voice AI agents (phone + WebRTC). It runs a full voice pipeline — STT · LLM · TTS, or a single speech-to-speech model — as one self-contained binary you host in your own VPC or fully air-gapped. No hosted control plane, no per-minute billing; bring your own provider keys and a call's audio never leaves your infra. pipecat-compatible pipeline, native SIP/RTP, and dense enough to hold thousands of concurrent calls per box.
On the analytics side, Flowcat competes within Open Source, Artificial Intelligence and GitHub — topics that collectively have 583k followers on Product Hunt. The dashboard above tracks how Flowcat performed against the three products that launched closest to it on the same day.
Who hunted Flowcat?
Flowcat was hunted by Suriyan Dhanapal. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Flowcat including community comment highlights and product details, visit the product overview.
Suriyan Dhanapal