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Willow Alternatives
Similar projects and alternatives to willow
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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esphome
ESPHome is a system to control your ESP32, ESP8266, BK72xx, RP2040 by simple yet powerful configuration files and control them remotely through Home Automation systems.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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connectedhomeip
Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance.
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templates
Tasmota Device Templates Repository. Your one stop shop to get templates for devices running Tasmota! (by blakadder)
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tinygrad
Discontinued You like pytorch? You like micrograd? You love tinygrad! ❤️ [Moved to: https://github.com/tinygrad/tinygrad] (by geohot)
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voice-pro
Gradio WebUI for creators and developers, featuring key TTS (Edge-TTS, kokoro) and zero-shot Voice Cloning (E2 & F5-TTS, CosyVoice), with Whisper audio processing, YouTube download, Demucs vocal isolation, and multilingual translation.
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willow-inference-server
Open source, local, and self-hosted highly optimized language inference server supporting ASR/STT, TTS, and LLM across WebRTC, REST, and WS
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CocoaLumberjack
A fast & simple, yet powerful & flexible logging framework for macOS, iOS, tvOS, watchOS and visionOS
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better willow alternative or higher similarity.
willow discussion
willow reviews and mentions
Posts with mentions or reviews of willow.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-03-16.
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Amazon Is Discontinuing the "Do Not Send Voice Recordings" Feature on Echo
Yes. I use https://heywillow.io/ and nothing ever leaves my LAN.
It's entirely open, and relatively hackable - but also a pain to configure and requires 1 machine with a GPU (several years old is fine, I'm running mine on a nearly decade old Nvidia GTX 1080) and a couple satellite ESP32 devices (Espressif ESP32-S3-BOX-3).
Home Assistant is also doing a more integrated version, but last I looked it was still "cloud-only" which defeats the purpose for me, since I was interested from a privacy standpoint. It does look like they finally released a local preview (at least for some languages) but I haven't yet tried them. By default, it still looks like they're using Google for TTS, which is a hard "NO!" from me.
I've been pretty disappointed that they really seem to want to drive monetization with their voice features, and force people into the HA cloud services, but again - I haven't tried the latest release so take my frustrating with a grain of salt. They made a lot of noise in early 2023, and late last year still only supported cloud options... I was annoted.
- Show HN: Voice-Pro – AI Voice Cloning Magic: Transform Any Voice in 15 Seconds
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Show HN: Pi-C.A.R.D, a Raspberry Pi Voice Assistant
Funny, I just picked up a device for use with https://heywillow.io for similar reasons
- ESPHome
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Should I Open Source my Company?
> - People might criticize my messy/bad/unfinished code
As someone who has created and maintained open source projects (most recently Willow[0]) for two decades I get a kick out of this.
Of course when interacting with users and feedback I keep it polite but in my head I'm thinking "You like to talk. I actually DID this. Shut up or submit a PR".
Surprise surprise they almost never do.
[0] - https://heywillow.io/
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Jarvis: A Voice Virtual Assistant in Python (OpenAI, ElevenLabs, Deepgram)
Also check out Willow- https://heywillow.io
It doesn’t synthesize voice back (yet) but open source and runs all offline on ESP32-based hardware and works with HomeAssistant!
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Any “Google Home” type solutions that work offline?
Look into https://heywillow.io/ - still early in the project but they are getting good results.
- Open Source Smart Device
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Home Assistant 2023.11
Very nice!
Would you be interesting in integrating with my project Willow[0]?
Willow supports Home Assistant, OpenHAB, and generic REST+MQTT endpoints today. With Home Assistant and OpenHAB we benefit from their specific API support for providing speech to text output and processing through things like the HA Assist Pipelines[1].
From our standpoint we handle wake word, VAD+AEC+BSS, STT, TTS, user feedback, etc. All we really do is send the speech transcript to the Willow command endpoint (like HA) and speak+display the execution result. Other than all of the wild speech stuff and our obsession with speed and accuracy Willow is really quite "dumb" - think of it as a voice terminal.
OpenHAB has something similar but it's significantly more limited.
[0] - https://heywillow.io
[1] - https://developers.home-assistant.io/docs/voice/pipelines/
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Distil-Whisper: distilled version of Whisper that is 6 times faster, 49% smaller
I'm the founder of Willow[0] (we use ctranslate2 as well) and I will be looking at this as soon tomorrow as these models are released. HF claims they're drop-in compatible but we won't know for sure until someone looks at it.
[0] - https://heywillow.io/
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A note from our sponsor - SaaSHub
www.saashub.com | 5 Oct 2026
Stats
Basic willow repo stats
40
3,120
7.5
5 days ago
HeyWillow/willow is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of willow is C.
Sponsored
AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
www.appsignal.com