What language is union written in?

union is written in Rust: 1,844 files and 468,418 written lines.

What framework does union use?

union is built with SvelteKit, net/http, and axum.

What database does union use?

union stores its data in Postgres and Supabase.

Which repos have a stack like union's?

The ones that share most of its stack: hoppscotch/hoppscotch, ruvnet/ruflo, and langgenius/dify.

Technologies

What is union built with?

union is a Rust repo built with SvelteKit, net/http, and axum. It stores its data in Postgres and Supabase. It has 1,844 files and 468,418 written lines, with 120 test files.

Read on October 27, 2026, at commit 031785b. Read it as markdown

Frontend

The base

SvelteKitin package.json

union1,844 files

Backend

The base

Data

Postgres9 files · mpc/client/src/main.rs, line 30
Supabase6 files · app2/src/lib/dashboard/client.ts, line 3

Other repos with a similar stack

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

hoppscotchhoppscotch
80.7k
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
3 of 5 in common · TypeScriptCompare →
ruvnetruflo
80k
🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated
3 of 5 in common · TypeScriptCompare →
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 5 in common · Python
open-webuiopen-webui
157.1k
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
2 of 5 in common · Python
yangshuntech-interview-handbook
143.2k
Curated coding interview preparation materials for busy software engineers
2 of 5 in common · TypeScript
immich-appimmich
117.5k
High performance self-hosted photo and video management solution.
2 of 5 in common · TypeScript

Frequently asked questions

What language is union written in?: union is written in Rust: 1,844 files and 468,418 written lines.
What framework does union use?: union is built with SvelteKit, net/http, and axum.; The proof: in package.json
What database does union use?: union stores its data in Postgres and Supabase.; The proof: mpc/client/src/main.rs, line 30
Does union have tests?: Yes. union has 120 test files.
Which repos have a stack like union's?: The ones that share most of its stack:hoppscotch/hoppscotch ruvnet/ruflo langgenius/dify

What is your repo built with?

Paste your public repo and see it drawn.

Free, no account.

Or look inside SeeRepo's own →

Is it your repo? Add its badge, keep it up to date or take it down →