Best onUI Alternatives in 2026
5 alternatives to onUI in the Code & Development category — ranked by relevance, with pricing and open-source flags so you can shortlist quickly.
Best overall alternative
Dorothy
Open-source desktop app to orchestrate multiple AI coding agents (Claude Code, Codex, Gemini) simultaneously with…
Quick comparison table
| Tool | Pricing | Open Source | Sub-category |
|---|---|---|---|
| Dorothy | Open Source | Yes | Code & Development |
| Steel Browser | Open Source | Yes | Code & Development |
| poorcoder | Open Source | Yes | Code & Development |
| Jupyter AI | Open Source | Yes | Code & Development |
| Poirot | Open Source | Yes | Code & Development |
All onUI alternatives
Dorothy
Open-source desktop app to orchestrate multiple AI coding agents (Claude Code, Codex, Gemini) simultaneously with…
Steel Browser
Open-source browser sandbox and automation infrastructure for AI agents and apps with session-backed workflows,…
poorcoder
Lightweight Bash scripts that enhance your terminal coding workflow with web-based AI assistants like Claude or Grok…
Jupyter AI
An open-source, configurable AI assistant in Jupyter Notebook and JupyterLab that supports 100+ LLMs, including…
Poirot
A macOS app for browsing Claude Code sessions, exploring diffs, and re-running commands. Reads local transcripts,…
FAQ
Why look for an alternative to onUI?
Common reasons: pricing changes, missing features, deprecated functionality, data residency requirements, or preference for open-source / self-hostable software. The alternatives above are all in the same category.
Are these onUI alternatives free?
None of the listed alternatives are free. Dorothy is open-source and self-hostable. Always verify current pricing on the official tool site.
Is there an open-source alternative to onUI?
Yes — Dorothy is the closest open-source option in this category.