# stevegraham/slanger

Open Pusher implementation compatible with Pusher libraries

Repository: https://github.com/stevegraham/slanger
Canonical: https://ross.abutalabs.com/products/slanger
Language: Ruby
License: MIT
License Family: permissive
Archived: true
Last push: 2022-07-21T23:34:21+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": 5559, "days_push": 1504, "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 1687, forks 199 (observed 2026-08-28T04:05:22.236194+00:00)

## What it is
Slanger is an open-source Ruby server implementing the Pusher realtime messaging protocol, allowing Pusher client libraries to connect to a self-hosted server. It scales horizontally across nodes using Redis to share presence channel state, and is explicitly deprecated and unmaintained.

## Use cases
- self-host a Pusher-compatible realtime server
- avoid Pusher subscription costs for websocket messaging
- run realtime pub/sub channels on my own infrastructure
- support presence channels for a chat app without Pusher
- scale websocket connections across multiple nodes behind a load balancer
- drop-in replacement server for existing Pusher client libraries

## When to choose
- you already use Pusher client libraries and want a self-hosted, protocol-compatible server
- you need horizontally scalable websocket pub/sub with presence channels backed by Redis
- you want to avoid Pusher's hosted service fees

## When to avoid
- you need a maintained project with security updates - Slanger is explicitly deprecated and unmaintained
- you are starting a new realtime project with no existing Pusher investment
- you need a modern Ruby version or current dependency compatibility
- you want a server embedded in a Rails or Sinatra app - Slanger is standalone only

## Facets
- artifact type: service
- maturity: abandoned
- function: websocket, http-server, message-queue, middleware
- domain: web-development, backend, apis
- platform: ruby, self-hosted
- tags: pusher-protocol, pusher-compatible, websocket-server, realtime, pubsub, presence-channels, redis, unmaintained, real-time, messaging, linux, web-server

## Member repositories
- stevegraham/slanger (main) score 10

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:22.236194+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 2026-08-30T03:38:54.186791+00:00, confidence not recorded.
  - readme: https://github.com/stevegraham/slanger (fetched 2026-08-28T04:05:22.236194+00:00, sha 52757e27c92f)
- Data as of 2026-08-30T08:39:29.467469+00:00.