What language is cal.diy written in?

cal.diy is written in TypeScript: 4,310 files and 554,251 written lines.

What framework does cal.diy use?

cal.diy is built with Next.js and React.

What database does cal.diy use?

cal.diy stores its data in Postgres and Redis.

What does cal.diy take payments with?

cal.diy takes payments with Stripe.

Does cal.diy have tests?

Yes. cal.diy has 641 test files.

Which repos have a stack like cal.diy's?

The ones that share most of its stack: Significant-Gravitas/AutoGPT, langgenius/dify, and supabase/supabase.

Technologies

What is cal.diy built with?

cal.diy is a TypeScript repo built with Next.js and React. It stores its data in Postgres and Redis, takes payments with Stripe, measures its use with PostHog, watches its errors with Sentry, and connects to Google. It has 4,310 files and 554,251 written lines, with 641 test files.

Read on October 28, 2026, at commit 56da01b. Read it as markdown

Frontend

The base

cal.diy4,310 files

Backend

Data

Postgres7 files · apps/api/v2/src/modules/kysely/kysely-read.service.ts, line 5
Redis2 files · apps/api/v2/src/modules/redis/redis.service.ts, line 4

Services

Sentry30 files · apps/api/v2/src/app.module.ts, line 7
PostHog14 files · apps/web/components/getting-started/components/AppConnectionItem.tsx, line 3
Google8 files · apps/api/v2/src/modules/apps/services/gcal.service.ts, line 3
Stripe7 files · apps/api/v2/src/modules/stripe/stripe.service.ts, line 16

Other repos with a similar stack

Ordered by how much of its stack they share with cal.diy, then by stars.

Significant-GravitasAutoGPT
187.8k
AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.
8 of 8 in common · PythonCompare →
langgeniusdify
159.8k
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
5 of 8 in common · PythonCompare →
supabasesupabase
114.3k
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
5 of 8 in commonCompare →
bojieliai-agent-book
56.3k
《深入理解 AI Agent：设计原理与工程实践》（李博杰著）开源主仓库：全书正文、编译版 PDF 与按章配套代码
5 of 8 in common · PythonCompare →
multica-aimultica
54.1k
Make humans and AI agents work as one team — open-source and self-hostable.
5 of 8 in common · GoCompare →
Stirling-ToolsStirling-PDF
95.3k
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
4 of 8 in commonCompare →

Frequently asked questions

What language is cal.diy written in?: cal.diy is written in TypeScript: 4,310 files and 554,251 written lines.
What framework does cal.diy use?: cal.diy is built with Next.js and React.; The proof: in package.json
What database does cal.diy use?: cal.diy stores its data in Postgres and Redis.; The proof: apps/api/v2/src/modules/kysely/kysely-read.service.ts, line 5
What does cal.diy take payments with?: cal.diy takes payments with Stripe.; The proof: apps/api/v2/src/modules/stripe/stripe.service.ts, line 16
What services does cal.diy use?: cal.diy measures its use with PostHog, watches its errors with Sentry, and connects to Google.; The proof: apps/web/components/getting-started/components/AppConnectionItem.tsx, line 3
Does cal.diy have tests?: Yes. cal.diy has 641 test files.
Which repos have a stack like cal.diy's?: The ones that share most of its stack:Significant-Gravitas/AutoGPT langgenius/dify supabase/supabase

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