What language is joplin written in?

joplin is written in TypeScript: 2,443 files and 496,066 written lines.

What database does joplin use?

joplin stores its data in Postgres.

What does joplin take payments with?

joplin takes payments with Stripe.

Does joplin have tests?

Yes. joplin has 926 test files.

Which repos have a stack like joplin's?

The ones that share most of its stack: Significant-Gravitas/AutoGPT, Stirling-Tools/Stirling-PDF, and calcom/cal.diy.

Technologies

What is joplin built with?

joplin is a TypeScript repo. It stores its data in Postgres, takes payments with Stripe, stores files in AWS S3, and watches its errors with Sentry. It has 2,443 files and 496,066 written lines, with 926 test files.

Read on October 28, 2026, at commit b613d00. Read it as markdown

joplin2,443 files

Backend

Data

Postgres2 files · packages/server/src/db.ts, line 16

Services

Stripe3 files · packages/server/src/routes/index/stripe.ts, line 8
Sentry2 files · packages/app-desktop/bridge.ts, line 8
AWS S31 file · packages/lib/file-api-driver-amazon-s3.js, line 6

Other repos with a similar stack

Ordered by how much of its stack they share with joplin, 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.
3 of 4 in common · PythonCompare →
Stirling-ToolsStirling-PDF
95.3k
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
3 of 4 in commonCompare →
calcomcal.diy
49.5k
Scheduling infrastructure for absolutely everyone.
3 of 4 in commonCompare →
freeCodeCampfreeCodeCamp
458.1k
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
2 of 4 in common
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.
2 of 4 in common · Python
supabasesupabase
114.3k
The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.
2 of 4 in common

Frequently asked questions

What language is joplin written in?: joplin is written in TypeScript: 2,443 files and 496,066 written lines.
What database does joplin use?: joplin stores its data in Postgres.; The proof: packages/server/src/db.ts, line 16
What does joplin take payments with?: joplin takes payments with Stripe.; The proof: packages/server/src/routes/index/stripe.ts, line 8
What services does joplin use?: joplin stores files in AWS S3 and watches its errors with Sentry.; The proof: packages/lib/file-api-driver-amazon-s3.js, line 6
Does joplin have tests?: Yes. joplin has 926 test files.
Which repos have a stack like joplin's?: The ones that share most of its stack:Significant-Gravitas/AutoGPT Stirling-Tools/Stirling-PDF calcom/cal.diy

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