Show me open source AI chat and voice tools

11 open source AI chat and voice tools. 9 have a free plan. Half of the paid plans start at $19 a month or less. Newest check: 2 Nov 2026.

268 of 721 tools were checked against the vendor's own page in the last 30 days.

ToolPrice fromFree planRuns onRatingChecked
QwenAlibaba's free Qwen chat app for web, desktop and mobile, plus a per-token Model Studio API and open-weight models you can self-host.--YesWeb · iOS · Android · Mac · Windows4.42 Nov
DeepSeekDeepSeek's free chat app and low-cost developer API, running MIT-licensed open-weight models with long context, a thinking mode and image input.--YesWeb · iOS · Android4.32 Nov
Meta AIMeta's free assistant inside Facebook, Instagram, WhatsApp and Messenger, powered by Muse Spark, with Meta One bundles for heavier image and video generation.$7.99/moYesWeb · iOS · Android4.328 Oct
KimiMoonshot AI's chat app and developer API running the open-weight Kimi K3 family, with agent tools, Swarm and up to 1M tokens of context.$19/moYesWeb · iOS · Android4.22 Nov
Mistral AIMistral AI is a Paris-based AI lab building open-weight foundation models such as Mistral Large 4 and the Vibe assistant, with EU-hosted infrastructure.$14.99/moYesWeb · iOS · Android · Mac · Windows3.910 Oct
KugelAudioEuropean TTS API with fast first-audio latency across dozens of languages, GDPR-compliant EU hosting with zero data retention, and a 78% human-preference win rate over ElevenLabs on German-language tests. Billed per minute, no card required to start.----Web3.626 Sep
Bolna AIVoice AI agent platform for Indian-language phone calls, with a no-code studio, REST API, bulk campaigns and an MIT-licensed core on GitHub.----Web--14 Oct
Resemble AIGenerative voice AI and deepfake detection for enterprise trust$29/moYesWeb · Mac · Windows--19 Aug
Rev AISpeech-to-text API transcribing at $0.003/minute across 58+ languages, trained on 3M+ hours with optional human transcription at $1.99/minute for 99%+ accuracy.$25.49/moYesWeb--19 Aug
SkillyOpen-source Mac app that listens to your question, answers by voice and moves a pointer to the right button, in any app or browser tab.$5/moYesWeb · Mac--28 Oct
Play.ht[DISCONTINUED] Play.ht was an AI text-to-speech platform with 900+ voices in 142 languages. Meta acquired the company in 2025 and shut it down completely by year's end. See TechCrunch and Meta's official announcement for proof.$39/moYesWeb · iOS · Android--19 Aug

Runs on

A person checks every record against the vendor's own page. Rankings cannot be bought. How Hokai checks records. Not sure what you need? Describe the job to Smart Match and get three picks with reasons.