https://reveneau.com/open-source/changelog Projects added to the open-source alternatives directory, and releases, licence changes, archives and moves noticed by the weekly GitHub check. en Thu, 17 Sep 2026 19:00:00 GMT https://reveneau.com/open-source/activepieces 2026-09-17-activepieces-added Thu, 17 Sep 2026 19:00:00 GMT An MIT automation builder its README calls an open-source replacement for Zapier, with hundreds of TypeScript pieces that double as MCP servers, AI agents, human approval steps and a no-code builder. https://reveneau.com/open-source/anythingllm 2026-09-17-anythingllm-added Thu, 17 Sep 2026 19:00:00 GMT An MIT all-in-one AI app from Mintplex Labs for chatting with your documents with citations, running agents with MCP, and using any of 39 model providers including local llama.cpp and Ollama, as a desktop app or a multi-user Docker server. https://reveneau.com/open-source/phoenix 2026-09-17-phoenix-added Thu, 17 Sep 2026 19:00:00 GMT Arize's AI observability platform built on OpenTelemetry for tracing, evaluations, datasets, experiments and prompt management, under the Elastic License 2.0, which forbids offering it as a hosted service. https://reveneau.com/open-source/auk 2026-09-17-auk-added Thu, 17 Sep 2026 19:00:00 GMT Tencent Hunyuan's 1.5-billion-parameter speech foundation model under MIT for code and weights, covering zero-shot text to speech, speech editing, enhancement and separation through one natural-language instruction interface. https://reveneau.com/open-source/breeze-tts 2026-09-17-breeze-tts-added Thu, 17 Sep 2026 19:00:00 GMT An open-weight bilingual English and Chinese text-to-speech model built for real-time interaction, with voice cloning, voice design and inline vocal events, whose weights and self-hosted outputs are non-commercial. https://reveneau.com/open-source/chat-ui 2026-09-17-chat-ui-added Thu, 17 Sep 2026 19:00:00 GMT Hugging Face's Apache-2.0 chat interface, the code behind HuggingChat, that talks to any OpenAI-compatible API, stores chats in MongoDB, calls MCP tools, and can route each message to a model automatically. https://reveneau.com/open-source/chatbox 2026-09-17-chatbox-added Thu, 17 Sep 2026 19:00:00 GMT The GPL-3.0 community edition of a desktop and mobile chat client for ChatGPT, Claude, Gemini and local Ollama models that keeps conversations on your device, with a separate pro edition synced from the same code. https://reveneau.com/open-source/chef 2026-09-17-chef-added Thu, 17 Sep 2026 19:00:00 GMT Convex's Apache-2.0 AI app builder, a fork of bolt.diy, that builds full-stack web apps with a built-in database, authentication, file uploads, real-time interfaces and background jobs on the Convex backend. https://reveneau.com/open-source/cherry-studio 2026-09-17-cherry-studio-added Thu, 17 Sep 2026 19:00:00 GMT An AGPL-3.0 desktop client for Windows, macOS and Linux that connects OpenAI, Gemini, Anthropic and local Ollama or LM Studio models, with 300+ preset assistants, side-by-side model chats, file support and MCP servers. https://reveneau.com/open-source/cline 2026-09-17-cline-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 coding agent for VS Code, JetBrains, the terminal and a desktop app that edits files as reviewable diffs, runs commands with your approval, works with any model provider including Ollama, and connects tools through MCP. https://reveneau.com/open-source/codex 2026-09-17-codex-added Thu, 17 Sep 2026 19:00:00 GMT OpenAI's Apache-2.0 coding agent that runs locally in your terminal, with a desktop app and IDE extensions, signed in with a ChatGPT plan or an OpenAI API key, so the code is open and the models are OpenAI's. https://reveneau.com/open-source/comfyui 2026-09-17-comfyui-added Thu, 17 Sep 2026 19:00:00 GMT The GPL-3.0 node-graph engine for image, video, audio and 3D generation that supports the newest open models, from Stable Diffusion and Flux to Wan and LTX video, on NVIDIA, AMD, Intel and Apple hardware, offline. https://reveneau.com/open-source/crush 2026-09-17-crush-added Thu, 17 Sep 2026 19:00:00 GMT Charm's terminal coding agent with 28 provider integrations, local models through llama.cpp, Ollama and LM Studio, MCP over three transports and permission prompts by default, under the Functional Source License, which becomes MIT two years after each release. https://reveneau.com/open-source/dify 2026-09-17-dify-added Thu, 17 Sep 2026 19:00:00 GMT An LLM app development platform with visual AI workflows, RAG pipelines, sandboxed agents, MCP tools and hundreds of models, under Apache-2.0 plus conditions that forbid multi-tenant use and removing the logo without permission. https://reveneau.com/open-source/dyad 2026-09-17-dyad-added Thu, 17 Sep 2026 19:00:00 GMT A local, open-source AI app builder for Mac and Windows that its README compares to Lovable, v0 and Bolt running on your own machine, with your own API keys and no sign-up, under Apache-2.0 apart from a fair-source pro directory. https://reveneau.com/open-source/fluidvoice 2026-09-17-fluidvoice-added Thu, 17 Sep 2026 19:00:00 GMT A GPL-3.0 macOS dictation app that runs Nemotron, Parakeet, Cohere Transcribe, Apple Speech or Whisper on the device, with command and write modes, per-app prompts, and an optional closed local enhancement model. https://reveneau.com/open-source/gemini-cli 2026-09-17-gemini-cli-added Thu, 17 Sep 2026 19:00:00 GMT Google's Apache-2.0 terminal agent for Gemini models with a free tier of 1,000 requests a day on a personal Google account, built-in search grounding, file and shell tools, MCP support, checkpointing and a GitHub Action. https://reveneau.com/open-source/goose 2026-09-17-goose-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 general-purpose AI agent from the Agentic AI Foundation at the Linux Foundation, written in Rust, with a desktop app, a CLI and an API, 15+ model providers including Ollama, and 70+ extensions over MCP. https://reveneau.com/open-source/gptme 2026-09-17-gptme-added Thu, 17 Sep 2026 19:00:00 GMT An MIT personal AI agent for the terminal that runs shell and Python locally, patches files, browses the web, works with Anthropic, OpenAI, Google, xAI, DeepSeek, OpenRouter or a local llama.cpp server, and is both an MCP client and an MCP server. https://reveneau.com/open-source/harper 2026-09-17-harper-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 English grammar checker from Automattic that lints a document in milliseconds, uses a fraction of LanguageTool's memory by its own measure, runs privately in your editor or in the browser through WebAssembly. https://reveneau.com/open-source/huginn 2026-09-17-huginn-added Thu, 17 Sep 2026 19:00:00 GMT An MIT system, running since 2013, for building agents that watch the web and act for you, which its README calls a hackable version of IFTTT or Zapier on your own server, with webhooks, scraping and JavaScript steps. https://reveneau.com/open-source/invokeai 2026-09-17-invokeai-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 creative image tool with a unified canvas for inpainting and outpainting, node workflows, and support for 28 model families from Stable Diffusion to Flux and Qwen Image, run as a local web app. https://reveneau.com/open-source/jan 2026-09-17-jan-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 desktop app from Menlo Research that downloads and runs open models from Hugging Face on your own computer, connects to OpenAI, Anthropic and others when you want, serves a local OpenAI-compatible API, and supports MCP. https://reveneau.com/open-source/khoj 2026-09-17-khoj-added Thu, 17 Sep 2026 19:00:00 GMT An AGPL-3.0 personal AI that answers from the web and your own documents with any local or hosted model, builds custom agents, sends scheduled research by email, and runs self-hosted or in its maintainers' cloud. https://reveneau.com/open-source/kilocode 2026-09-17-kilocode-added Thu, 17 Sep 2026 19:00:00 GMT An MIT coding agent for VS Code, JetBrains and the CLI with inline autocomplete, Code, Plan, Ask, Debug and Review modes, an MCP marketplace, access to 500+ models with no API key to start, and a hosted cloud agent. https://reveneau.com/open-source/langflow 2026-09-17-langflow-added Thu, 17 Sep 2026 19:00:00 GMT An MIT visual platform for building and deploying AI agents and workflows that turns every flow into an API or an MCP server, with Python-editable components and multi-agent orchestration. https://reveneau.com/open-source/langfuse 2026-09-17-langfuse-added Thu, 17 Sep 2026 19:00:00 GMT An open-core LLM engineering platform, MIT outside its ee folders and part of ClickHouse since January 2026, for tracing, prompt management, evaluations, datasets and a playground, with Python and TypeScript SDKs. https://reveneau.com/open-source/languagetool 2026-09-17-languagetool-added Thu, 17 Sep 2026 19:00:00 GMT An LGPL-2.1 proofreading engine for English, Spanish, French, German, Portuguese, Polish, Dutch and more than 20 other languages, which you can run as your own HTTP server with an API, or inside LibreOffice. https://reveneau.com/open-source/librechat 2026-09-17-librechat-added Thu, 17 Sep 2026 19:00:00 GMT An MIT self-hosted chat platform that puts Anthropic, OpenAI, Google, Bedrock, Azure, Ollama and any OpenAI-compatible model in one interface, with agents, MCP, a code sandbox, web search, artifacts and multi-user sign-in. https://reveneau.com/open-source/llamacoder 2026-09-17-llamacoder-added Thu, 17 Sep 2026 19:00:00 GMT An MIT open-source take on Claude Artifacts that generates small apps from one prompt with Llama 3.1 405B on Together AI and previews them in a sandboxed in-browser renderer. https://reveneau.com/open-source/llama-cpp 2026-09-17-llama-cpp-added Thu, 17 Sep 2026 19:00:00 GMT The MIT C and C++ inference engine behind much of local AI, running GGUF models with 1.5 to 8-bit quantisation on CPUs, Apple Silicon and 17 hardware backends, with an OpenAI-compatible server and a web interface built in. https://reveneau.com/open-source/lobehub 2026-09-17-lobehub-added Thu, 17 Sep 2026 19:00:00 GMT LobeHub, formerly LobeChat, is an agent workspace with an agent builder, agent groups, scheduled runs, editable memory and a library of over 10,000 tools and MCP plugins, under a community licence that needs a paid licence to distribute a modified version. https://reveneau.com/open-source/localai 2026-09-17-localai-added Thu, 17 Sep 2026 19:00:00 GMT An MIT engine that runs text, vision, voice, image and video models on any hardware, no GPU required, behind drop-in OpenAI, Anthropic and ElevenLabs-compatible APIs, over 60+ backends including llama.cpp, vLLM and whisper.cpp. https://reveneau.com/open-source/ltex-plus 2026-09-17-ltex-plus-added Thu, 17 Sep 2026 19:00:00 GMT An MPL-2.0 language server that checks grammar and spelling in LaTeX, Markdown, Typst, AsciiDoc and 12 other markup formats with LanguageTool, in more than 20 languages, offline, with Java and LanguageTool bundled. https://reveneau.com/open-source/morphic 2026-09-17-morphic-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 AI search engine with a generative interface that answers with citations, using OpenAI, Anthropic, Google, Ollama or any OpenAI-compatible model and Tavily, SearXNG, Brave or Exa for search, with sign-in and shareable results. https://reveneau.com/open-source/n8n 2026-09-17-n8n-added Thu, 17 Sep 2026 19:00:00 GMT A fair-code workflow automation platform with 1,500+ integrations, 9,000+ templates, AI agents over OpenAI, Anthropic, Google or open models, and code steps in JavaScript and Python, under the Sustainable Use License. https://reveneau.com/open-source/ollama 2026-09-17-ollama-added Thu, 17 Sep 2026 19:00:00 GMT An MIT tool for downloading and running open models on your own machine with one command, built on llama.cpp, with a REST API, Python and JavaScript libraries, and a launcher that connects coding agents to local models. https://reveneau.com/open-source/onlook 2026-09-17-onlook-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 visual-first code editor for building Next.js and Tailwind sites and prototypes with AI, editing the page directly in the browser with a Figma-like interface while the code stays in sync. https://reveneau.com/open-source/onyx 2026-09-17-onyx-added Thu, 17 Sep 2026 19:00:00 GMT An AI platform, formerly Danswer, that searches your company's knowledge through 50+ connectors with agentic retrieval, deep research, agents and actions, using any hosted or self-hosted model, with an MIT Community Edition. https://reveneau.com/open-source/open-webui 2026-09-17-open-webui-added Thu, 17 Sep 2026 19:00:00 GMT A self-hosted chat platform for Ollama and OpenAI-compatible models with document search over 9 vector databases, web search, image generation, roles and single sign-on, under a BSD-3 licence with an added branding clause. https://reveneau.com/open-source/opencode 2026-09-17-opencode-added Thu, 17 Sep 2026 19:00:00 GMT An MIT terminal coding agent with a full-access build agent and a read-only plan agent switched with the Tab key, installers for every platform, a beta desktop app, and the most-starred repository in this directory. https://reveneau.com/open-source/openhands 2026-09-17-openhands-added Thu, 17 Sep 2026 19:00:00 GMT An MIT self-hosted control centre, called Agent Canvas, that runs the OpenHands agent or Claude Code, Codex, Gemini and any ACP-compatible agent across local, Docker and cloud backends, with automations triggered by schedules and webhooks. https://reveneau.com/open-source/opik 2026-09-17-opik-added Thu, 17 Sep 2026 19:00:00 GMT Comet's Apache-2.0 LLM observability and evaluation platform, one licence across the whole repository, for agent tracing, LLM-as-a-judge evaluations, prompt management, production monitoring, CI tests and an MCP server. https://reveneau.com/open-source/qwen-code 2026-09-17-qwen-code-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 coding agent from the Qwen team for the terminal, editor, desktop, browser and chat apps that works with OpenAI, Anthropic, Gemini and Qwen APIs or local models through Ollama and vLLM, switched at runtime, with MCP, a sandbox and subagents. https://reveneau.com/open-source/sayit 2026-09-17-sayit-added Thu, 17 Sep 2026 19:00:00 GMT An AGPL-3.0 voice typing app for Windows that ships seven local speech models including Nemotron 3.5 ASR and three Qwen3-ASR sizes, with an editable AI cleanup step through Ollama or any OpenAI-compatible endpoint. https://reveneau.com/open-source/sdnext 2026-09-17-sdnext-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 all-in-one web interface for AI image and video generation, descended from AUTOMATIC1111's WebUI, with LoRA, ControlNet, quantisation that cuts video memory up to four times, and the widest hardware list here. https://reveneau.com/open-source/speakoflow 2026-09-17-speakoflow-added Thu, 17 Sep 2026 19:00:00 GMT An MIT desktop voice assistant for Windows, macOS and Linux that extends Handy's dictation core with a trigger phrase, a local cleanup model, screen-aware answers and Kokoro speech, with no account and no telemetry. https://reveneau.com/open-source/swarmui 2026-09-17-swarmui-added Thu, 17 Sep 2026 19:00:00 GMT An MIT image and video generation web interface, formerly StableSwarmUI, with a simple Generate tab for beginners and a raw ComfyUI workflow tab for experts, that can spread work across several GPUs. https://reveneau.com/open-source/tabby 2026-09-17-tabby-added Thu, 17 Sep 2026 19:00:00 GMT A self-hosted coding assistant server with an Apache-2.0 core and a proprietary ee directory for the web server and team features, serving code completion and chat to VS Code, JetBrains and Vim from models on your own GPU. https://reveneau.com/open-source/textgen 2026-09-17-textgen-added Thu, 17 Sep 2026 19:00:00 GMT An AGPL-3.0 desktop app for local models, formerly text-generation-webui, with five engines including llama.cpp and ExLlamaV3, an OpenAI and Anthropic-compatible API, tool calling, file chat, image generation and LoRA training, fully offline. https://reveneau.com/open-source/twinny 2026-09-17-twinny-added Thu, 17 Sep 2026 19:00:00 GMT An MIT VS Code extension for fill-in-the-middle code completion and sidebar chat that defaults to a local Ollama-compatible endpoint and works offline, with nine providers and no paid tier. https://reveneau.com/open-source/vale 2026-09-17-vale-added Thu, 17 Sep 2026 19:00:00 GMT An MIT command-line prose linter that turns a team's writing guidelines into checks that run in an editor, in CI and beside code, offline, understanding Markdown, AsciiDoc and code comments rather than plain text. https://reveneau.com/open-source/vane 2026-09-17-vane-added Thu, 17 Sep 2026 19:00:00 GMT An MIT answer engine, formerly Perplexica, that searches the web through a bundled SearXNG and answers with cited sources, using local models through Ollama or hosted ones, in speed, balanced and quality modes, on your own hardware. https://reveneau.com/open-source/vllm 2026-09-17-vllm-added Thu, 17 Sep 2026 19:00:00 GMT An Apache-2.0 engine from UC Berkeley's Sky Computing Lab for high-throughput model serving, with an OpenAI-compatible and Anthropic Messages API, 200+ model architectures, wide quantisation support, and parallelism across many GPUs. https://reveneau.com/open-source/voicestudio 2026-09-17-voicestudio-added Thu, 17 Sep 2026 19:00:00 GMT An AGPL-3.0 desktop workflow engine for voice cloning, voice design, video dubbing, dictation and audiobooks, running 16 speech engines and 10 transcription engines locally, with a local API and an MCP server for agents. https://reveneau.com/open-source/windmill 2026-09-17-windmill-added Thu, 17 Sep 2026 19:00:00 GMT A developer platform for scripts, workflows, background jobs and internal UIs in Python, TypeScript, Go, Bash, SQL and more, AGPLv3 when built from source, with triggers from schedules, webhooks, Kafka and email. https://reveneau.com/open-source/writing-tools 2026-09-17-writing-tools-added Thu, 17 Sep 2026 19:00:00 GMT A GPL-3.0 system-wide writing assistant for Windows, Linux and macOS that rewrites, proofreads or summarises selected text anywhere with one hotkey, using a local model through Ollama or a cloud model with your own key. https://reveneau.com/open-source/zed 2026-09-17-zed-added Thu, 17 Sep 2026 19:00:00 GMT A high-performance code editor from the creators of Atom and Tree-sitter, GPL-3.0-or-later with Apache-2.0 components, with an agent panel, external agents over ACP, edit prediction, MCP tools, sandboxing, and local models through Ollama or llama.cpp. https://reveneau.com/open-source/alternatives-to/bolt 2026-09-17-bolt-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Bolt page is live. https://reveneau.com/open-source/alternatives-to/chatgpt 2026-09-17-chatgpt-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to ChatGPT page is live. https://reveneau.com/open-source/alternatives-to/claude 2026-09-17-claude-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Claude page is live. https://reveneau.com/open-source/alternatives-to/claude-code 2026-09-17-claude-code-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Claude Code page is live. https://reveneau.com/open-source/alternatives-to/cursor 2026-09-17-cursor-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Cursor page is live. https://reveneau.com/open-source/alternatives-to/devin 2026-09-17-devin-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Devin page is live. https://reveneau.com/open-source/alternatives-to/github-copilot 2026-09-17-github-copilot-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to GitHub Copilot page is live. https://reveneau.com/open-source/alternatives-to/glean 2026-09-17-glean-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Glean page is live. https://reveneau.com/open-source/alternatives-to/grammarly 2026-09-17-grammarly-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Grammarly page is live. https://reveneau.com/open-source/alternatives-to/langsmith 2026-09-17-langsmith-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to LangSmith page is live. https://reveneau.com/open-source/alternatives-to/lovable 2026-09-17-lovable-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Lovable page is live. https://reveneau.com/open-source/alternatives-to/make 2026-09-17-make-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Make page is live. https://reveneau.com/open-source/alternatives-to/midjourney 2026-09-17-midjourney-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Midjourney page is live. https://reveneau.com/open-source/alternatives-to/perplexity 2026-09-17-perplexity-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Perplexity page is live. https://reveneau.com/open-source/alternatives-to/openai-api 2026-09-17-openai-api-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to the OpenAI API page is live. https://reveneau.com/open-source/alternatives-to/v0 2026-09-17-v0-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to v0 page is live. https://reveneau.com/open-source/alternatives-to/windsurf 2026-09-17-windsurf-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Windsurf page is live. https://reveneau.com/open-source/alternatives-to/zapier 2026-09-17-zapier-page Thu, 17 Sep 2026 19:00:00 GMT The alternatives to Zapier page is live. https://reveneau.com/open-source/bolna 2026-09-16-bolna-added Wed, 16 Sep 2026 19:00:00 GMT An MIT voice-agent platform that defines an agent in a JSON file and orchestrates speech to text, a language model and text to speech over websockets, with Twilio and Plivo for phone calls, whose maintainers say they are looking for help. https://reveneau.com/open-source/buzz 2026-09-16-buzz-added Wed, 16 Sep 2026 19:00:00 GMT A desktop app under MIT that transcribes and translates audio and video files, YouTube links and a live microphone offline with Whisper, with speaker identification and SRT, VTT and TXT export. https://reveneau.com/open-source/chatterbox 2026-09-16-chatterbox-added Wed, 16 Sep 2026 19:00:00 GMT A family of text-to-speech models from Resemble AI under MIT, with zero-shot voice cloning from a reference clip and a multilingual model covering 23 languages. https://reveneau.com/open-source/f5-tts 2026-09-16-f5-tts-added Wed, 16 Sep 2026 19:00:00 GMT A research text-to-speech model with zero-shot voice cloning whose code is MIT but whose pretrained weights are non-commercial, because of the dataset they were trained on. https://reveneau.com/open-source/fish-speech 2026-09-16-fish-speech-added Wed, 16 Sep 2026 19:00:00 GMT A multilingual text-to-speech system with voice cloning from a 10 to 30 second clip and inline emotion tags, released with its weights under a research licence that requires a separate agreement for commercial use. https://reveneau.com/open-source/handy 2026-09-16-handy-added Wed, 16 Sep 2026 19:00:00 GMT A free, offline push-to-talk dictation app for macOS, Windows and Linux that runs Whisper or NVIDIA Parakeet on your own machine and pastes the text at your cursor, under MIT. https://reveneau.com/open-source/kokoro-fastapi 2026-09-16-kokoro-fastapi-added Wed, 16 Sep 2026 19:00:00 GMT A Docker image that serves the 82-million-parameter Kokoro model through an OpenAI-compatible speech endpoint, with streaming, voice mixing and nine languages, all under Apache-2.0. https://reveneau.com/open-source/livekit-agents 2026-09-16-livekit-agents-added Wed, 16 Sep 2026 19:00:00 GMT An Apache-2.0 framework for real-time voice agents that connects any speech, language and voice provider, with semantic turn detection, native MCP tool support, a test framework, and an open-source media and SIP stack it can run on entirely. https://reveneau.com/open-source/meetily 2026-09-16-meetily-added Wed, 16 Sep 2026 19:00:00 GMT A meeting assistant under MIT that records your microphone and system audio together, transcribes live on your machine with Whisper or Parakeet, and summarises with a language model you choose. https://reveneau.com/open-source/moonshine 2026-09-16-moonshine-added Wed, 16 Sep 2026 19:00:00 GMT An on-device speech toolkit under MIT built for live streaming, with speech-to-text models trained from scratch in sizes down to 1 MB, one library across Python, the browser, phones and desktops. https://reveneau.com/open-source/openwhispr 2026-09-16-openwhispr-added Wed, 16 Sep 2026 19:00:00 GMT A dictation and meeting-notes app under MIT that runs Whisper or Parakeet locally or cloud models with your own key, detects Zoom, Teams and FaceTime calls, and labels speakers on device. https://reveneau.com/open-source/parakeet 2026-09-16-parakeet-added Wed, 16 Sep 2026 19:00:00 GMT NVIDIA's speech models and toolkit: Apache-2.0 code, and the Parakeet TDT 0.6B v3 model under CC-BY-4.0 with 25 European languages, automatic language detection, punctuation and word timestamps. https://reveneau.com/open-source/pipecat 2026-09-16-pipecat-added Wed, 16 Sep 2026 19:00:00 GMT A Python framework under BSD-2-Clause, maintained by Daily, for real-time voice and multimodal agents, with the widest provider list on this site and telephony serialisers for Twilio, Telnyx, Plivo, Vonage, Exotel and Genesys. https://reveneau.com/open-source/piper 2026-09-16-piper-added Wed, 16 Sep 2026 19:00:00 GMT A fast, local neural text-to-speech engine maintained by the Open Home Foundation, used by Home Assistant and the NVDA screen reader, under GPL-3.0. https://reveneau.com/open-source/sherpa-onnx 2026-09-16-sherpa-onnx-added Wed, 16 Sep 2026 19:00:00 GMT A runtime under Apache-2.0 from the next-generation Kaldi team that runs speech to text, text to speech, speaker diarization and voice activity detection locally on CPUs, NPUs and phones, with no internet connection. https://reveneau.com/open-source/speaches 2026-09-16-speaches-added Wed, 16 Sep 2026 19:00:00 GMT An OpenAI-compatible server under MIT for streaming transcription, translation and text to speech, loading Whisper, Kokoro and Piper models on demand, described by its maintainers as Ollama for speech models. https://reveneau.com/open-source/ten-framework 2026-09-16-ten-framework-added Wed, 16 Sep 2026 19:00:00 GMT A real-time conversational AI framework from Agora with a visual designer, a SIP extension and turn detection, released under Apache-2.0 plus conditions that forbid competing deployments, which makes it source available rather than open source. https://reveneau.com/open-source/vibe 2026-09-16-vibe-added Wed, 16 Sep 2026 19:00:00 GMT An offline transcription app under MIT that records system audio and the microphone, supports Whisper, Parakeet and Nemotron models, labels speakers, and exports SRT, VTT, TXT, HTML, PDF, JSON and DOCX. https://reveneau.com/open-source/voiceink 2026-09-16-voiceink-added Wed, 16 Sep 2026 19:00:00 GMT A macOS dictation app under GPL-3.0 whose README names Superwhisper and Wispr Flow as the tools it replaces, with local models, per-app modes, a personal dictionary and an AI assistant mode. https://reveneau.com/open-source/vosk 2026-09-16-vosk-added Wed, 16 Sep 2026 19:00:00 GMT An offline speech recognition toolkit under Apache-2.0 with streaming, models of about 50 MB, 20+ languages, a reconfigurable vocabulary and speaker identification, from small boards to clusters. https://reveneau.com/open-source/whisper 2026-09-16-whisper-added Wed, 16 Sep 2026 19:00:00 GMT OpenAI's general-purpose speech recognition model, released with code and weights under MIT, in six sizes from 39 million to 1.55 billion parameters, with multilingual transcription, translation to English and language detection. https://reveneau.com/open-source/whisper-cpp 2026-09-16-whisper-cpp-added Wed, 16 Sep 2026 19:00:00 GMT A dependency-free C and C++ port of Whisper under MIT that runs on CPUs, Apple Silicon and phones, with quantised models, an HTTP server and bindings for a dozen languages. https://reveneau.com/open-source/whispering 2026-09-16-whispering-added Wed, 16 Sep 2026 19:00:00 GMT A speech-to-text app inside the Epicenter monorepo under AGPL-3.0 that records, transcribes with a provider you choose, cloud or local, optionally polishes the text, and pastes it at the cursor. https://reveneau.com/open-source/whisperx 2026-09-16-whisperx-added Wed, 16 Sep 2026 19:00:00 GMT Batched Whisper transcription under BSD-2-Clause with word-level timestamps from forced alignment and speaker labels from pyannote, the closest open-source match to a hosted transcription API's output. https://reveneau.com/open-source/alternatives-to/assemblyai 2026-09-16-assemblyai-page Wed, 16 Sep 2026 19:00:00 GMT The alternatives to AssemblyAI page is live. https://reveneau.com/open-source/alternatives-to/deepgram 2026-09-16-deepgram-page Wed, 16 Sep 2026 19:00:00 GMT The alternatives to Deepgram page is live. 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