Quickly

Repository documentedOpen source

Self-hosted cold email sequencing

Quickly is an MIT-licensed, self-hosted cold-email platform with inbox rotation, sequences, A/B tests, reply classification, webhooks, and an API.

Decision snapshot

Best for
Technical teams evaluating a self-hosted Instantly alternative
Pricing model
Open source; infrastructure costs apply
Deployment
Self-hosted Docker stack
Channels
Cold email

Potential strengths

Where Quickly may fit

  • MIT license and data ownership
  • Purpose-built around cold outreach

Tradeoffs to check

Questions before buying

  • Young project with a small contributor base
  • You own updates, security, uptime, and mailbox operations

Documented capability areas

Multi-inbox sequences
A/B testing
Reply classification
REST API

Same workflow

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