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crystal vs twenty

crystal and twenty share 5 technologies: Postgres, Express, React, react-error-boundary, and jsonwebtoken. Both are written in TypeScript.

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What they share and what sets them apart

graphile

crystal

🔮 Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!

TypeScript12.9kRead on November 10, 2026, at commit 1c037b4What is crystal built with?

Only in crystal

In common

twentyhq

twenty

The open alternative to Salesforce, designed for AI.

TypeScript60.5kRead on November 5, 2026, at commit 8919279What is twenty built with?

Only in twenty

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
crystal878,730 lines written536 code files
twenty2,785,537 lines written26,644 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
crystal0% of its commits signed by AIWith GitHub Copilot
twenty1.9% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and Sweep
ActivityFrom GitHub and its history, on the day SeeRepo read it.
crystalLast push November 9, 202615,796 commits12,934 stars
twentyLast push November 5, 202617,869 commits60,472 stars
TestsThe files that test the code, and the share of code files a test imports.
crystal250 test files5.6% of its code files have a test that imports them
twenty7,108 test files29% of its code files have a test that imports them

Frequently asked questions

Which is bigger, crystal or twenty?
twenty, with 2,785,537 lines written; crystal has 878,730.

The proof: twentyhq/twenty's code at commit 8919279

Which has more GitHub stars, crystal or twenty?
twenty, with 60,472 stars; crystal has 12,934.

The proof: twentyhq/twenty on GitHub

Which has more tests, crystal or twenty?
twenty, with 7,108 test files; crystal has 250.

The proof: twentyhq/twenty's code at commit 8919279

Which was updated more recently, crystal or twenty?
crystal: its last push was on November 9, 2026, and twenty's on November 5, 2026.

The proof: graphile/crystal's commits on GitHub

Which has more commits signed by AI, crystal or twenty?
twenty: an AI signed 1.9% of its commits, with Claude Code, Cursor, GitHub Copilot, and Sweep.

The proof: the commits each tool signed in twentyhq/twenty

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