Stackboo.

    AI products where you bring your own API key for solo founders

    Use your own OpenAI/Anthropic/etc. API key instead of paying a markup.

    Across:AI Agents & AutomationAI VideoGamingLLM APIs & InfrastructureAI Coding

    1. 1.

      Fufa.ai

      Fufa AI helps ecommerce brands manage customer conversations across the shopping journey, from discovering a product…

      AI Agents & Automation

      Fufa AI helps ecommerce brands manage customer conversations across the shopping journey, from discovering a product to getting help after a purchase. It brings AI agents into sales, marketing, and customer support so teams can provide product guidance, follow up with interested…

      Full reviewFufa.ai alternatives

    2. 2.

      Tale

      Tale is collaborative project management for teams and AI agents.

      AI Agents & Automation

      Tale is collaborative project management for teams and AI agents. Tasks, files and discussion share a project workspace. Configured agents can execute delegated work in persistent sandboxes, leaving reports, deliverables and run history for review. Assignment alone does not…

      Pricing: Free MIT Community self-hosting; infrastructure and model usage are separate. Optional Enterprise operation and support.

      Full reviewTale alternatives

    3. 3.

      SimilarClip

      SimilarClip is an AI video studio for faceless YouTube channels.

      AI Video

      SimilarClip is an AI video studio for faceless YouTube channels. Give it a topic or a YouTube link and it researches the subject, writes an original script, illustrates each scene with generated images, narrates it with a natural voice, adds captions, music and a thumbnail, then…

      Pricing: Paid subscription only, no free plan. Starter $39/mo (~18 video min), Pro $99/mo (~55 min, 3 channels), Studio $199/mo (~128 min, 10 channels); annual billing gives 2 months free.

      Full reviewSimilarClip alternatives

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      Inline listing: a row among the products, from $7 for 7 days (Black Friday: 50% off).

    5. 4.

      Dola AI

      AI teammate that edits Blueprints and C++ in Unreal Engine

      Gaming

      Unreal Engine is powerful, but working with Blueprints and C++ can involve a lot of repetitive tasks, debugging, and switching between documentation and development tools. General AI assistants don't always understand the context of an Unreal Engine project or its specific…

      Pricing: Free with your own API key; paid plans Indie, Pro, Pro+, Max add Dola-hosted model credits

      Full reviewDola AI alternatives

    6. 5.

      OpenRouter

      One API for 500+ AI models from 80+ providers

      LLM APIs & Infrastructure

      OpenRouter gives you a single API and key for hundreds of models, with automatic fallbacks when a provider goes down and routing by price or uptime. A solo founder can compare and switch models without changing integration code. It has 25+ free models, charges a 5.5% platform…

      Pricing: Free tier (25+ free models); pay as you go with a 5.5% platform fee

      Full reviewOpenRouter alternatives

    7. 6.

      Cline

      Open source coding agent for VS Code and the terminal, bring your own model key

      AI Coding

      Cline is an open source coding agent that reads files, writes code and runs commands in your editor or terminal, with your approval at each step. It works with Anthropic, OpenAI, Gemini and local models through Ollama or LM Studio, so a solo developer pays only for the model…

      Pricing: Free and open source; you pay your model provider or bring your own key

      Full reviewCline alternatives

    8. 7.

      Dify

      Open source platform for building agentic workflows and RAG apps

      AI Agents & Automation

      Dify is an open source platform for building AI agents, workflows and retrieval pipelines in one workspace, then publishing them as a web app or an API. A solo founder can use Dify Cloud on the free plan or self-host it, and add their own model provider keys. The visual builder…

      Pricing: Free plan on Dify Cloud; paid plans and self-hosting available

      Full reviewDify alternatives

    9. 8.

      Langfuse

      Open source LLM observability, prompt management and evals

      LLM APIs & Infrastructure

      Langfuse records traces of every LLM call, manages prompts and runs evaluations so you can see what your AI app does in production. A solo founder building an AI product can start on the free Hobby plan or self-host the open source code. Core is $29 a month, and you can add your…

      Pricing: Free Hobby plan (50k units/month); Core $29/month; self-hosting available

      Full reviewLangfuse alternatives