# artsy/eidolon

The Artsy Auction Kiosk App.

Repository: https://github.com/artsy/eidolon
Canonical: https://ross.abutalabs.com/products/eidolon
Homepage: http://artsy.github.io/blog/2014/11/13/eidolon-retrospective/
Language: Swift
License: MIT
License Family: permissive
Topics: swift, artsy, auction-kiosk, frp
Archived: true
Last push: 2023-01-04T17:53:43+00:00

## Health v2 (maintenance only)
Score: 10/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4412, "days_push": 1337, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, archived
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2692, forks 348 (observed 2026-08-28T04:07:11.069011+00:00)

## What it is
Eidolon is Artsy's open-source iPad auction kiosk app, written in Swift, that lets gallery visitors browse auction lots, register to bid, and place bids with credit card verification. The project was retired in January 2022 and is no longer maintained.

## Use cases
- run an in-gallery bidding kiosk for art auctions
- study an early production Swift app using FRP/ReactiveCocoa
- learn how Artsy structured its open-source iOS apps
- reference for kiosk-style iPad application design
- example of integrating credit card processing in an iOS app

## When to choose
- you want a historical reference for early Swift and functional reactive programming on iOS
- you need to understand or fork Artsy's auction kiosk for a similar art-auction setup

## When to avoid
- you need a maintained, production-ready auction or kiosk app
- you target current iOS/Xcode versions, since it requires Xcode 9 and is retired
- you want a general-purpose e-commerce solution

## Facets
- artifact type: application
- maturity: abandoned
- function: gui, http-client, state-management
- domain: e-commerce, mobile-development, frontend
- platform: -
- tags: auction-kiosk, frp, reactivecocoa, ipad, retired-project, artsy, ios, swift, mobile

## Member repositories
- artsy/eidolon (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:11.069011+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:16:31.816046+00:00, confidence not recorded.
  - readme: https://github.com/artsy/eidolon (fetched 2026-08-28T04:07:11.069011+00:00, sha 8503325c286b)
  - homepage: http://artsy.github.io/blog/2014/11/13/eidolon-retrospective/ (fetched 2026-08-29T09:59:32.027319+00:00, sha 03af0f8b2e43)
- Data as of 2026-08-30T08:39:29.467469+00:00.