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Discover▾

Not sure where to start? This week’s hottest software, models and stacks in three minutes.

AI Apps▾

AI software people use: from assistants like ChatGPT to tools for coding, video and workflows, picked by purpose.

For Agents▾

Software for AI: tools that let your agent (Claude Code, Codex, Cursor…) browse, read docs, run code and remember.

Models▾

Choose models, estimate cost, self-host: prices, rankings, benchmarks, free tiers and compute.

Solutions▾

A goal or an error message? Ready-made stacks, steps and fixes by scenario.

Learn▾

A systematic course from zero to the frontier, with an algorithm library, must-read papers and tutorials.

Frontier▾

Daily AI news, weekly highlights, the latest papers and how AI is changing every discipline.

// Software stack

Low-cost indie developer

Ship products with free models and open-source tools as much as possible.

4 pieces4 setup stepsscenario: Code with AI: choose tools, keep quality

💡 Free quotas change often; check the conditions and verification dates on our Free API page first.

What goes in it

  1. 1

    freellmapi Model gateways, routing & usage Open source

    Free model access

    OpenAI-compatible proxy stacking free tiers of 16 LLM providers.

    Or: OmniRoute · OpenRouter · free-claude-code

    ★ 39k
  2. 2

    OpenAI Codex Coding agents & AI IDEs Open source

    Coding

    OpenAI's coding agent across CLI, IDE extension, cloud tasks and desktop app.

    Or: Google Antigravity · OpenCode · Trae

    ★ 130k
  3. 3

    v0 AI app & site builders Closed / commercial

    Ship

    Vercel's AI app builder generating React/Next.js UIs with one-click deploy.

    Or: Bolt · dyad · Replit

  4. 4

    headroom Model gateways, routing & usage Open source

    Token saving

    Compresses tool outputs and RAG chunks before they hit the LLM.

    Or: rtk · caveman · context-mode

    ★ 77k

How to set it up

  1. 01Connect a free-API aggregator
  2. 02Install a token-saving proxy
  3. 03Use an open-source coding agent
  4. 04Deploy previews on free tiers

Data updated: AI software & hot ranks · Solutions & stack guides(UTC+8)