AI Tools tagged "Open Source"

All AI tools tagged with "Open Source", curated and verified by our team.

117 AI Tools11 Verified

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Highest-rated tools in this category, curated weekly

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AI Infrastructure

Lium.io

Lium is a GPU marketplace where you rent verified NVIDIA GPUs, from RTX 4090 to H100, H200, B200 and B300, billed per second with no minimum. Use the web, CLI, SDK or an AI agent.

Paid

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AI Agents & Automation

Paperclip

Paperclip is an open-source, self-hosted platform that runs teams of AI agents like a structured company, with org charts, per-agent budgets, heartbeat scheduling, and full audit trails. Free forever; you only pay your model API provider.

Free

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AI Agents & Automation

Hermes

Hermes Agent is an open-source, self-hostable autonomous agent from Nous Research. It learns from every task, works with any LLM provider, and hit 100,000 GitHub stars in 53 days. The sycophancy bug and v0.x instability are real, here is what that actually means.

Free

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AI Models & LLMs

Qwen

Qwen3.6-27B delivers frontier-adjacent coding performance in 16.8 GB, it fits on an RTX 4090 and outperforms its 397B predecessor. Apache 2.0 across the full open-weight family makes it the cleanest-licensed Chinese LLM for commercial use in 2026.

Freemium

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AI Models & LLMs

DeepSeek

DeepSeek offers frontier-level reasoning and coding performance at API costs 10–30x cheaper than GPT-4o. The tradeoff is real: political censorship on the hosted product, PRC data residency, and a documented database exposure. Open weights mean local deployment is possible, at a price.

Freemium

Image

ComfyUI

ComfyUI is a free, open-source node-based UI for running Stable Diffusion, FLUX, and video generation models locally. It gives power users complete control over every step of the generation pipeline, from model loading to sampling to upscaling.

Freemium

AI Agents & Automation

n8n

n8n is a fair-code workflow automation platform that lets developers and technical teams build complex automations and AI agents, either self-hosted for free or on n8n Cloud. With 500+ native integrations and MCP support, it is the leading open-source alternative to Zapier and Make.

Freemium

Image

FLUX

FLUX is an open-weight text-to-image model from Black Forest Labs, the team behind Stable Diffusion. It launched August 2024 with three tiers, beat Stable Diffusion 3 and Midjourney v6 on benchmark leaderboards, and anchors one of the largest LoRA ecosystems in AI image generation.

Freemium

AI Models & LLMs

Gemma

Gemma is Google DeepMind's family of open-weight language models, downloadable and self-hostable for free. Gemma 4 (April 2026) delivers frontier-level reasoning and multimodal capabilities under an Apache 2.0 license, from 2B edge models to a 31B dense flagship.

Free

Image

Stable Diffusion

Stable Diffusion is the open-weight image generation standard from Stability AI. Self-host for free, fine-tune on custom datasets, and use ControlNet for precise composition control. The largest open-source image model ecosystem available.

Freemium