1. Ollama: run any AI model on your own machine
Replaces: ChatGPT Plus and per token API bills (about $20 per month and up)
Ollama runs Llama, Gemma, DeepSeek and 100 plus open models locally. No API key, no usage meter, nothing leaving your laptop. It's the base layer everything else plugs into.
Install:
Mac or Windows: download the app at ollama.com
Linux:
curl -fsSL https://ollama.com/install.sh | shThen pull and run a model:
ollama run llama3.2
Pro tip: point LibreChat (below) at Ollama and you get a chat interface like ChatGPT over your local models for zero dollars.
Free · open source (MIT) · 180K plus stars
2. LibreChat: every AI in one app
Replaces: ChatGPT Team and separate seats per model (about $30 per user per month)
One clean chat app that talks to GPT, Claude, Gemini and your local Ollama models side by side, with agents, code execution and file uploads built in. Host it once, add whatever API keys you want, done.
Install with Docker:
git clone https://github.com/danny-avila/LibreChat
cd LibreChat
cp .env.example .env
docker compose up -dOpen http://localhost:3080.
Pro tip: add your Anthropic and OpenAI keys, then switch models mid conversation. No more juggling three tabs.
Free · open source (MIT) · 42K plus stars
3. ComfyUI: Midjourney grade images you actually own
Replaces: Midjourney and paid image generators (about $10 to $60 per month)
A visual node canvas for image and video generation. Total control over the pipeline, run it on your own GPU, no monthly fee and no content queue.
Install:
Easiest: download the desktop app at comfy.org
Manual:
git clone https://github.com/comfyanonymous/ComfyUI,pip install -r requirements.txt, thenpython main.py
Pro tip: grab a starter workflow from the community and swap the prompt node. You don't need to build the graph yourself.
Free · open source (GPL 3.0) · 130K plus stars
4. Dify: build AI apps with zero code
Replaces: paid AI app and agent builder platforms (easily hundreds per month)
Dify is a visual builder for AI agents, chatbots and RAG apps. Drag a flow, connect your data, hit deploy. It's the platform other companies wrap and charge you a subscription for.
Install with Docker:
git clone https://github.com/langgenius/dify
cd dify/docker
docker compose up -dOpen http://localhost and create your first app.
Pro tip: upload your docs as a knowledge base and you have a private "chat with my data" app in about ten minutes.
Free · open source · 150K plus stars
5. Vane: private Perplexity on your own hardware
Replaces: Perplexity Pro (about $20 per month)
Vane (formerly Perplexica) is an open source AI answer engine. It searches the web, reads the results, and answers with sources, all running on your machine, so your queries stay yours.
Install with Docker:
git clone https://github.com/ItzCrazyKns/Vane
cd Vane
docker compose up -dPoint it at your local Ollama models and it's fully offline capable.
Pro tip: pair it with Ollama so both the search and the answering model are local. Zero API cost.
Free · open source (MIT) · 36K plus stars
6. Whisper: kill your transcription bill
Replaces: Otter and Rev and paid transcription (about $20 or more per month)
OpenAI's speech to text model, free and offline. Studio quality transcription in 90 plus languages: meetings, podcasts, voice notes, subtitles.
Install:
pip install -U openai-whisper(needs Python and ffmpeg). Then run: whisper myaudio.mp3 --model small
Pro tip: the small or medium model gives you the best balance of speed and accuracy on a laptop. Use large only if you have the GPU for it.
Free · open source (MIT) · 100K plus stars
7. Activepieces: automation without the per task tax
Replaces: Zapier and Make (about $30 to $100 per month)
A no code automation builder you run yourself. Same trigger to action flows, hundreds of integrations, AI steps built in, and you're not paying by the task or getting throttled on the free tier.
Install with Docker:
docker run -p 8080:80 activepieces/activepiecesOpen http://localhost:8080 and build your first flow.
Pro tip: wire an Activepieces flow into Ollama or Dify and you have AI automations running end to end on infrastructure you own.
Free · open source (MIT) · 23K plus stars
How to actually stack these
You don't need all seven on day one. The highest leverage order:
Ollama first. It's the free engine under everything.
LibreChat on top for a daily driver chat interface.
Then add whichever of the other five maps to a subscription you're paying for right now.
Cancel the paid tool the week you get its replacement running. That's where the money actually comes back.
The AI Leverage is how a few thousand builders get sharper every week: the free tools, the workflows, and the exact way to run them so AI saves you real time and real money instead of just adding another tab. Come get better with us. by bestapps.ai on instagram.