Open Source AI & Machine Learning Tools
A curated collection of the best open source software for building and running AI: model serving and training infrastructure, agent and app frameworks, chat interfaces, and AI security tooling..
GPU orchestration across clouds, Kubernetes, and on-prem
Stars
2,310Last commit
5 hours agoLicense
MPL-2.0
Unified control plane for AI compute that provisions and schedules GPU workloads across any cloud, Kubernetes cluster, or bare-metal server.
Open Source Alternative to:
Local meeting recorder that keeps your audio off the cloud
Stars
Stars growing over the last 30 days1,599Last commit
4 hours agoLicense
MIT
Records meetings and voice memos locally using whisper.cpp, writes structured markdown to disk, and exposes 31 MCP tools so any AI agent can query your conversation history.
Open Source Alternative to:
Unified API for all LLM providers with analytics
Stars
Stars growing over the last 30 days1,738Last commit
7 hours agoLicense
MIT
Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring.
Open Source Alternative to:
Serverless GPU compute with sub-second cold starts
Stars
1,848Last commit
6 hours agoLicense
AGPL-3.0
Run GPU inference, task queues, and sandboxes on serverless infrastructure with sub-second cold starts, autoscaling, and support for your own AWS, GCP, or bare metal.
Open Source Alternative to:
Chat with private and local large language models
Stars
2,270Last commit
2 years agoLicense
MIT
A mobile app for interacting with private, local large language models that work offline and are optimized for Apple silicon.
Open Source Alternative to:
AI chat companion with versatile model support
Stars
1,541Last commit
11 months agoLicense
Apache-2.0
Open-source chat application that lets you interact with multiple AI models in one interface, offering flexible conversations and diverse capabilities.
Open Source Alternative to:
Self-hosted AI agents and workflows across any channel
Stars
1,157Last commit
15 hours agoLicense
AGPL-3.0
Build and run AI agents, agentic workflows, and multichannel automation on your own infrastructure, with memory, RAG, MCP tools, and full data control.
Open Source Alternative to:
AI-powered automation that lives in your Slack workspace
Stars
1,100Last commit
7 months agoLicense
Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.
Open Source Alternative to:
Build AI agents and automate complex workflows seamlessly
Stars
Stars growing over the last 30 days1,060Last commit
9 hours agoLicense
Apache-2.0
Create intelligent automation workflows combining AI agents with your favorite apps and services. Connect, automate, and scale your operations without complex coding.
Open Source Alternative to:
Dictate faster and control your Mac with voice
Stars
Stars growing over the last 30 days672Last commit
2 months agoLicense
MIT
Free, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.
Open Source Alternative to:
TypeScript framework for building autonomous AI agents
Stars
688Last commit
4 hours agoLicense
Apache-2.0
Open-source TypeScript runtime for autonomous AI agents with cognitive memory, multi-agent orchestration, runtime tool generation, and support for 21 LLM providers.
Persistent cloud VMs that hibernate and wake in seconds
Stars
Stars growing over the last 30 days591Last commit
5 hours agoLicense
Apache-2.0
Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.
Open Source Alternative to:
Build and deploy AI agents through visual workflows
Stars
559Last commit
16 hours agoLicense
Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
Open Source Alternative to:
Open-source AI browser for intelligent web automation
Stars
513Last commit
2 days agoLicense
BSD-3-Clause
Privacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.
Open Source Alternative to:
AI governance made simple, secure, and compliant
Stars
Stars growing over the last 30 days375Last commit
4 hours agoLicense
AGPL-3.0
Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.
Open Source Alternative to:
Experiment tracking platform for ML teams
Stars
393Last commit
8 months agoLicense
Apache-2.0
Open source ML experiment tracking platform with parameter and gradient logging, media tracking, real-time alerts, and full Weights & Biases API compatibility.
Open Source Alternative to:
Transcribe meetings and voice notes with local AI, no bots required
Stars
Stars growing quickly over the last 30 days133Last commit
18 days agoLicense
MIT
Free, open-source AI note-taker that transcribes meetings and voice notes locally using Whisper and Parakeet. Works on Mac, Windows, and mobile without invasive bots.
Open Source Alternative to:
Build complex automations without code, deploy anywhere with full control
Stars
56Last commit
28 days agoLicense
MIT
Open-source no-code automation platform for logistics, chatbots, and AI agents. Deploy on cloud, self-host, or hybrid with complete data sovereignty and modular workflow design.
Open Source Alternative to:
No-code platform to build AI agents and automate support
Stars
17Last commit
6 hours agoLicense
MIT
Build AI chatbots, automate customer support workflows, and connect live agents across web, WhatsApp, email, and voice with a no-code visual designer.
Open Source Alternative to:
LLM observability: cost, latency, and traces in one place
Stars
13Last commit
4 days agoLicense
MIT
Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.
Open Source Alternative to:
Ask once, get answers across every document
Stars
13Last commit
16 days agoLicense
AGPL-3.0
Upload files, ask questions, and get AI‑backed answers with citations. Compare, synthesize, and export results for teams and polished outputs.
Open Source Alternative to:
Trace, evaluate, and protect every LLM call in one SDK
Stars
12Last commit
3 days agoLicense
AGPL-3.0
An AI gateway that sits on the request path to handle PII redaction, prompt injection blocking, tracing, evals, and cost tracking for OpenAI, Anthropic, and Gemini.
Open Source Alternative to:
Secure AI API management for iOS apps with DeviceCheck
Stars
9Last commit
1 month agoLicense
AGPL-3.0
A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps
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