#94
B
Rank #154
Chatwoot
Open-source customer support/live-chat platform comparable to Intercom, built as a mature Ruby on Rails monolith. Battle-tested but inherits Rails' known scaling ceilings at very high concurrency.
65.5
/ 100
⚙ Full Stack
Ruby on Rails backend, Postgres for data, Redis for caching/ActionCable pub-sub, Sidekiq for background jobs (email, webhooks, integrations).
📈 Scaling Analysis
Sidekiq offloads background work well and Postgres/Redis are proven primitives, but the Rails request-response tier itself needs vertical beefing or careful horizontal scaling with sticky websocket sessions — a real but manageable ceiling for high-traffic support desks.
🚀 Running on Nexlayer
Needs app, postgres, redis, and a sidekiq worker pod; set FRONTEND_URL to the Nexlayer domain and REDIS_URL to redis.pod:6379. mirror.gcr.io/library/ruby covers the base image; ActionCable websockets need sticky sessions if scaled beyond one app pod.