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Open Source

Open-source tools with freely available source code you can inspect, modify, and self-host.

OpenMined
OpenMinedOpenMined is a non-profit building open-source federated AI infrastructure that lets you unlock insights from siloed data without ever centralizing or exposing it.
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Data & Analytics·AI Models & Infrastructure·Research & Education
Haystack
HaystackBuild production-ready AI agents and RAG pipelines with Haystack, the open-source AI orchestration framework by deepset. Integrate with OpenAI, Anthropic, Hugging Face, and more.
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LLM Developer Tools·AI Infrastructure Tools·AI Frameworks
Pixie Autonomous
Pixie AutonomousPixie is an open-source Kubernetes observability platform using eBPF for auto-instrumentation. Monitor services, trace requests, and debug applications without changing code.
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Data & Analytics·DevOps Tools·Command Line Tools
MantaMatcher
MantaMatcherMantaMatcher is a free citizen science platform using AI pattern recognition to identify individual manta rays. Submit encounter photos, help researchers track and protect these threatened species.
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Data & Analytics·Research & Education·AI Research Tools
Appsilon AI for Good
Appsilon AI for GoodAppsilon's Data for Good initiative applies machine learning, computer vision, and interactive data visualization to wildlife conservation, climate change, and biodiversity projects worldwide.
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Data & Analytics·Data Visualization Tools·AI Research Tools
MusicGen Meta
MusicGen MetaAudioCraft is Meta AI's open-source framework for generative audio, including MusicGen (text-to-music), AudioGen (text-to-sound), and EnCodec (neural audio codec).
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AI Models & Infrastructure·AI Music Generators·Audio Enhancers
Meta ESM
Meta ESMOpen-source pretrained language models for protein sequences. Enables protein structure prediction, mutational effect analysis, and generative protein design using transformer-based architectures.
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AI Models & Infrastructure·Foundation Models·AI Research Tools
S
StyleTTS 2StyleTTS 2 achieves human-level TTS synthesis using style diffusion and adversarial training with large speech language models. Open-source and free to use.
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Audio & Voice Tools·Text to Speech Tools·Voice Cloners
Jaeger Tracing
Jaeger TracingJaeger is an open source, cloud-native distributed tracing platform. Monitor microservice workflows, find performance bottlenecks, and debug errors across complex distributed systems.
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Coding & Development·Data & Analytics·DevOps Tools
Magenta Studio
Magenta StudioMagenta Studio is a free, open-source Ableton Live plugin using Google's AI/ML models to generate, extend, and transform MIDI music with tools like Continue, Generate, Groove, Interpolate, and Drumify.
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Audio & Voice Tools·AI Music Generators·Design Resources
Outerbase AI Database
Outerbase AI DatabaseManage, query, and visualize any database with AI. Outerbase offers natural language querying (EZQL™), smart table editing, auto-generated dashboards, and enterprise-grade security.
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Data & Analytics·Database Tools·Business Intelligence Tools
Smol Developer
Smol DeveloperSmol Developer is an open-source AI developer agent that scaffolds entire codebases from a product spec. Embed it in your own app or use it standalone.
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Coding & Development·Vibe Coding Tools·AI Coding Agents
PhotoGuard
PhotoGuardPhotoGuard by MadryLab adds invisible perturbations to images to prevent malicious AI-powered editing. Free, open research from MIT.
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Research & Education·AI Image Generators·Photo Editors
Argilla Data Platform
Argilla Data PlatformArgilla is an open-source platform where AI engineers and domain experts collaborate to build high-quality datasets for LLM fine-tuning, RLHF, and NLP model evaluation.
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Data & Analytics·AI Models & Infrastructure·LLM Developer Tools
YData
YDataGenerate synthetic data, automate data profiling, and build scalable data pipelines with YData Fabric. The #1 synthetic data platform for data scientists and ML teams.
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Data & Analytics·AI Models & Infrastructure·AI Infrastructure Tools
KoboldCpp
KoboldCppKoboldCpp lets you run GGUF large language models locally with a built-in KoboldAI UI and OpenAI-compatible API. No installation needed — just download and run on Windows, Linux, macOS, or Android.
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AI Models & Infrastructure·AI Chatbots·LLM Developer Tools
AI Verify
AI VerifyAI Verify is an open-source toolkit for testing AI systems against responsible AI principles. Covers fairness, explainability, robustness, and safety compl
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Data & Analytics·AI Models & Infrastructure·Research & Education
Iobeam AI IoT (TimescaleDB / Tiger Data)
Iobeam AI IoT (TimescaleDB / Tiger Data)Tiger Data by the creators of TimescaleDB — enterprise cloud platform for IoT sensor data, telemetry, and real-time analytics at petabyte scale with native PostgreSQL and AI vector search.
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Data & Analytics·Analytics Databases·AI Infrastructure Tools
PromptingTools.jl
PromptingTools.jlPromptingTools.jl is an open-source Julia package that simplifies daily interactions with large language models, saving developers 20 minutes every day.
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LLM Developer Tools·Prompt Engineering Tools·AI Frameworks
OpenCollar
OpenCollarOpenCollar is an open-source initiative providing customizable hardware and software for wildlife tracking collars, enabling affordable conservation monitoring for a wide range of species.
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Data & Analytics·AI Models & Infrastructure·Research & Education
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