Shakespeare is an open-source development environment with AI assistance for building applications. Being open source is the substantive difference from the many closed prompt-to-app products: the environment can be inspected, self-hosted and modified, and the work does not disappear if the vendor does.
That matters more than it might appear for AI development tooling. This category is moving fast and consolidating, and a project built inside a proprietary environment inherits that vendor's roadmap and survival. An open environment means the exit is always available.
As with most open-source developer tools, expect capability in exchange for less polish than a funded commercial product, and expect to do some of your own setup. Best suited to developers who want AI assistance without ceding control of the toolchain.
Key features
Open-source AI development environment
Self-hostable and modifiable rather than managed-only
AI assistance for building custom applications
No vendor lock-in on the project or toolchain
Free to use
Screenshots & demo
Demo video
Screenshots
Pricing
Shakespeare offers a free plan, with paid upgrades for higher limits and more features.
Pricing is provided as a guide. Check the official site for the latest plans.
Is Shakespeare expensive?
Shakespeare has no advertised paid tier. Among the 98 priced tools we list in Coding, the median entry price is $20 a month.
64% of Coding tools in the directory offer a free tier, and this is one of them.
Compared against every priced listing in Coding, recalculated as the catalogue changes. Method and the full market breakdown are in our AI tool pricing study.
An open-source desktop environment for running coding agents like Claude Code and Codex in parallel, with scheduled agent work, a built-in preview browser, and shared prompt, skill and MCP management.