OpenAltFinder

Open Source AI & Machine Learning Projects

Platforms and libraries for building, training, and deploying machine learning models and AI-powered applications.

Apogee

Apogee

Private, in-browser AI summarizer for articles, videos, and PDFs that runs entirely on-device via WebGPU, WebAssembly, or a local Ollama instance.

Alternative to:
Merlin AIMerlin AI
AI-assisted
Experiential

Experiential

Open source AI gateway and router that exposes hosted, BYOK, local, and custom models through one OpenAI-compatible API.

Alternative to:
OpenRouterOpenRouter
AI-assisted
Hister

Hister

Private, self-hosted search engine that indexes the pages you visit and the files you keep for full-text and semantic search.

Alternative to:
KagiKagi
Lobe Chat

Lobe Chat

Open-source AI chat and agent platform with multi-provider support, RAG, plugins, and an agent marketplace — self-hostable ChatGPT alternative.

Alternative to:
ChatGPTChatGPT
Midas

Midas

Open platform for governing execution authority at decision surfaces across agents, AI systems, and enterprise workflows.

Alternative to:
FICO Blaze Advisor
Ollama

Ollama

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, Mistral Small 3.1 and other large language models.

Alternative to:
ChatGPTChatGPT
Onyx

Onyx

Onyx is an open-source AI chat and enterprise search platform with RAG that works with every LLM. Bring your own model, connect your tools, and unify all your team's knowledge.

Alternative to:
GleanGlean
Open Notebook

Open Notebook

Open-source, privacy-first alternative to Google NotebookLM with multi-model AI support, podcast generation, and self-hosting.

Alternative to:
NotebookLMNotebookLM
Open WebUI

Open WebUI

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Alternative to:
ChatGPTChatGPT
Sim

Sim

Sim is an open-source workspace to build, deploy, and orchestrate AI agents and agentic workflows. Visually connect LLMs, tools, and data sources without giving up control.

Alternative to:
Lindy AILindy AI
Speakr

Speakr

Self-hosted AI transcription and intelligent note-taking platform that turns audio recordings into organized, searchable notes with speaker identification.

Alternative to:
Otter.aiOtter.ai
Unsloth

Unsloth

Open-source platform for fine-tuning and running LLMs locally — 2x faster training with 70% less VRAM. Supports LoRA, QLoRA, DPO, GRPO.

Alternative to:
LM StudioLM Studio
VoiceStudio

VoiceStudio

Fully local voice cloning, dubbing, dictation, and transcription in one desktop app - an open-source ElevenLabs replacement.

Alternative to:
ElevenLabsElevenLabs
open-pencil

open-pencil

AI-native design editor with real-time collaboration, component system, and Figma-compatible file format.

Alternative to:
FigmaFigma