# ATScan > *Open-source [AT Protocol](https://atproto.com/) ecosystem explorer* This is a monorepo containing the backend and frontend of ATScan. The current version is hosted at [atscan.net](https://atscan.net). You can follow us on Bluesky as [@atscan.net](https://bsky.app/profile/did:plc:ft3tl5dxjn4psdk6asenqn3r). ## Our software - [broadsky](https://github.com/atscan/broadsky) (Go) - Bridge Streaming Wire Protocol (v0) to NATS and other protocols - [blobd](https://github.com/atscan/blobd) (Go) - AT Protocol Blob-serving HTTP Server in Go ## Technology stack ### Infrastructure - [NATS](https://nats.io/) socket messaging - [MongoDB](https://www.mongodb.com/) database - [InfluxDB](https://github.com/influxdata/influxdb) time series platform - [Redis](https://redis.io/) in-memory data store ### Backend - [Deno](https://deno.land/) JavaScript runtime - [oak](https://github.com/oakserver/oak) HTTP middleware framework - [Ajv](https://ajv.js.org/) JSON Schema validator - [BullMQ](https://bullmq.io/) job processing ### Frontend - [Node.js](https://nodejs.org/en) JavaScript runtime - [SvelteKit](https://kit.svelte.dev/) JavaScript UI framework - [Tailwind](https://tailwindcss.com/) CSS framework - [Skeleton](https://www.skeleton.dev/) UI toolkit - [Apache ECharts](https://echarts.apache.org/en/index.html) visualization library - [date-fns](https://date-fns.org/) date library - [Numbro](https://numbrojs.com/) number library - [Minidenticons](https://github.com/laurentpayot/minidenticons) identicon generator ## Authors - Tree (GitHub: [@burningtree](https://github.com/burningtree), Bluesky: [@tree.fail](https://bsky.app/profile/did:plc:524tuhdhh3m7li5gycdn6boe)) ## License MIT