Google Antigravity is Google's agent-first development platform with a desktop app, IDE, CLI and SDK. The Individuals plan is free with weekly rate limits; higher limits come with Google AI Pro or Ultra.
Generate a SaaS boilerplate from a prompt

Marblism is a tool designed to simplify the process of starting a new coding project. Instead of spending time on tasks like selecting frameworks, setting up authentication, and connecting front-end to back-end, you can describe your app, and Marblism will handle these technical details for you. This tool aims to save developers time and allow them to focus on adding their own unique features to their projects.

| Pricing model | Paid |
|---|---|
| Free tier | No free plan |
| Starting price | Not verified |
| Data residency | Not verified |
| Compliance (as stated by vendor) | Not verified |
| Integrations | Not verified |
| Public API | Not verified |
| Self-hostable | Not verified |
| Official site | Online (redirects) (auto-checked 2026-09-26) |
| Last verified | 2026-10-01 by editor |
Google Antigravity is Google's agent-first development platform with a desktop app, IDE, CLI and SDK. The Individuals plan is free with weekly rate limits; higher limits come with Google AI Pro or Ultra.
Windsurf is an AI code editor with the Cascade agent and Tab completion, also offered as a JetBrains plugin. Cognition now brands the editor as Devin Desktop; the Windsurf site still lists a free plan and Pro at $15 a month.
Codex is OpenAI's coding agent, available in ChatGPT on the web, desktop and mobile apps, a CLI and an IDE extension. A limited allowance is included in the free ChatGPT plan; paid plans start at $8 a month.
Claude Code is Anthropic's coding agent that reads a codebase, edits files and runs commands from a terminal, editors, web or desktop app. Not included in the free Claude plan; paid plans start at $20 a month.
JustShip is a launch kit for SaaS, AI and more. It cuts setup time by 25+ hours for iOS devs. Features include authentication, analytics, and databases.
AI coding environment with agents, a CLI and cloud agents, plus Bugbot for pull request review on Teams plans. The Hobby plan is free; Pro is $20 a month and Teams is $40 per user.
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