What is effect built with?

Q: Which repos have a stack like effect's?

The ones that share most of its stack: n8n-io/n8n, twentyhq/twenty, and moeru-ai/airi.

effect is a TypeScript repo built with React, scheduler, Solid, and Vue. It stores its data in tedious, signs people in with jose, validates its data with Ajv, valibot, and Zod, is tested with Vitest, vitest-websocket-mock, Testing Library, @solidjs/testing-library, fast-check, and 7 more, deploys with opentelemetry, and uses Redis, ClickHouse, SQLite, MySQL, and @electric-sql/pglite. It has 1,052,986 written lines, with 885 test files.

Read on November 6, 2026, at commit 9428e17. Read it as markdown

Frontend

The base 2

React4 files
Vue1 file

Interface 1

react-error-boundary1 file

Backend

Sign-in 1

jose4 files

Data 6

@electric-sql/pglite1 file
ClickHouse1 file
MySQL1 file · packages/sql/mysql2/src/MysqlClient.ts, line 41
Redis1 file · packages/platform/node/src/NodeRedis.ts, line 22
SQLite1 file · packages/sql/libsql/src/LibsqlClient.ts, line 13
tedious4 files

Support

Testing 12

Vitest74 files
fast-check10 files
testcontainers9 files
Testing Library3 files
@solidjs/testing-library1 file
@testcontainers/mssqlserver1 file
@testcontainers/mysql1 file
@testcontainers/redis1 file
@vitest/web-worker1 file
fake-indexeddb6 files
vitest-websocket-mock2 files
mock-xmlhttprequest1 file

Tools 5

tstyche156 files
miniflare4 files
esbuild3 files
Cloudflare2 files
tinybench1 file

The base 2

Solid2 files
scheduler1 file

Validation 3

Ajv7 files
valibot1 file
Zod1 file

Deploy 1

opentelemetry6 files

Other 6

OpenTelemetry7 files
undici2 files
Immer1 file
SemVer1 file
tar1 file
ws1 file

Other repos with a similar stack

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

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Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.
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langgeniusdify
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Frequently asked questions

What language is effect written in?

effect is written in TypeScript, with 1,052,986 written lines.

What framework does effect use?

effect is built with React, scheduler, Solid, and Vue.

What database does effect use?

effect stores its data in tedious.

What does effect sign people in with?

effect signs people in with jose.

What services does effect use?

effect uses Redis, ClickHouse, SQLite, MySQL, and @electric-sql/pglite.

The proof: packages/platform/node/src/NodeRedis.ts, line 22

Does effect have tests?

Yes. effect has 885 test files and is tested with Vitest, vitest-websocket-mock, Testing Library, @solidjs/testing-library, fast-check, fake-indexeddb, @vitest/web-worker, mock-xmlhttprequest, @testcontainers/redis, testcontainers, @testcontainers/mssqlserver, and @testcontainers/mysql.

Which repos have a stack like effect's?

The ones that share most of its stack:n8n-io/n8n twentyhq/twenty moeru-ai/airi