Orca
In short: Orca is a open-source coding AI tool. Free, open-source (MIT) agent development environment from Stably: run Claude Code, Codex, OpenCode and other coding agents in parallel, each in its own git worktree, with terminals, diffs, an embedded browser and a CLI in one desktop app, plus iOS and Android companions. Nearly 98K GitHub stars, it was on GitHub's daily Trending list on Oct 19, 2026 (1,500+ stars in a day), and its latest release passed 1M downloads. X Buzz Score: 48/100 (594 posts in 7 days).
Verdict: Free, open-source (MIT) agent development environment from Stably: run Claude Code, Codex, OpenCode and other coding agents in parallel, each in its own git worktree, with terminals, diffs, an embedded browser and a CLI in one desktop app, plus iOS and Android companions. Nearly 98K GitHub stars, it was on GitHub's daily Trending list on Oct 19, 2026 (1,500+ stars in a day), and its latest release passed 1M downloads.
Use this if you juggle several coding agents at once and want one app to fan a task out, compare the diffs and keep the best one, using your own agent subscriptions.
Live X Buzz Score
X 48/100 ↗ Rising updated 19 Oct, 23:15 HKT
Daily X posts, last 7 days (oldest → today): 60 · 49 · 68 · 86 · 86 · 104 · 141. Score parts: volume 27.7/50, spike 11.3/25, engagement 9/25. Method
No standout X posts yet (we only show posts with 100+ likes or 10K+ views).
Alternatives
- Harness: Open-source command center for the coding agents you already run, across every machine, with harnesses beyond code.
- Cursor: AI-first code editor (VS Code fork) with strong agent and tab completion.
- Claude Code: Terminal-based coding agent that edits and runs your repo.
Similar AI tools
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- AI Job Search: Open-source (MIT) job application framework built on Claude Code: fill in your profile, then it scores job postings for fit, tailors your CV and cover letter (LaTeX), has a reviewer agent critique them and preps you for interviews. The author says it got him hired; it topped GitHub's daily Trending list on Oct 19, 2026 (2,200+ stars in a day, 53K+ total).
- Headroom: Open-source (Apache 2.0) context compression layer for AI agents: it strips repeated boilerplate from tool outputs, logs, files, JSON and RAG chunks before they reach the model, claiming about 20% fewer tokens for coding agents and 60-95% fewer for JSON. Ships as a library, proxy and MCP server; 76K GitHub stars and on the daily Trending list Oct 19, 2026.
See all: best AI tools for coding · trending AI tools today
FAQ
What is Orca?
Free, open-source (MIT) agent development environment from Stably: run Claude Code, Codex, OpenCode and other coding agents in parallel, each in its own git worktree, with terminals, diffs, an embedded browser and a CLI in one desktop app, plus iOS and Android companions. Nearly 98K GitHub stars, it was on GitHub's daily Trending list on Oct 19, 2026 (1,500+ stars in a day), and its latest release passed 1M downloads.
Who should use Orca?
Use Orca if you juggle several coding agents at once and want one app to fan a task out, compare the diffs and keep the best one, using your own agent subscriptions.
Is Orca free?
Orca is listed as open-source.
What are alternatives to Orca?
Alternatives include Harness, Cursor, Claude Code, OpenCode 2.0.
Discussion
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