Head-to-Head Comparison · Alternative to Missive · 📬 email
Missive vs Zammad
A mature team inbox with internal notes and ticket owners; it feels like support software because it is. Here is how Zammad ($0/mo open source) stacks up against Missive ($18/mo) across cost, hosting, data privacy, and real-world trade-offs.
Missive vs Zammad Specification Matrix
facts verified 2026-08-11
| Dimension | Missive (Paid) | Zammad (Replacement) |
|---|---|---|
| Monthly Price | $18 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $216 / yr | $0 / yr (Save $216) |
| 1-Year Cost (5 seats) | $1,080 / yr | $0 / yr (Save $1,080) |
| 1-Year Cost (10 seats) | $2,160 / yr | $0 / yr (Save $2,160) |
| Source & License | Proprietary SaaS | open source AGPL-3.0 |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hostedself-host, real ops |
| GitHub Stars | — | ★ 5.8k (active aug 2026) |
Deep Dive: Switching from Missive to Zammad
Trade-offs, installation & data architecture
What you trade away
It feels like support-ticket software rather than Missive's flexible collaborative email and team-chat workspace.
How to deploy Zammad
Deploy the Docker Compose/Portainer stack or install supported Linux packages
What it takes to run
A comparatively large server and familiarity with Docker/Portainer, PostgreSQL and Elasticsearch
Where your data lives
Ticket and user data in PostgreSQL, search indexes in Elasticsearch, and attachments/backups in Docker volumes or server storage
Why fork Zammad instead of vibe-coding a Missive clone?
A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Missive, combine email with internal comments and assignments for a small team. The hard boundary is real-time collaboration, many channels, rules, integrations, and shared-inbox reliability, plus mail infrastructure, integrations, and client polish.
Missive vs Zammad FAQ
Is Zammad a good free alternative to Missive?+
Yes. Zammad is a verified open-source (AGPL-3.0) replacement for Missive. A mature team inbox with internal notes and ticket owners; it feels like support software because it is.
What is the catch when switching from Missive to Zammad?+
It feels like support-ticket software rather than Missive's flexible collaborative email and team-chat workspace.
How much do you save switching from Missive to Zammad?+
Missive costs $18/mo ($216/yr) per seat, whereas Zammad is $0/mo. Switching saves $216/yr for a solo user, $1,080/yr for a 5-person team, and $2,160/yr for a 10-person team.
How do I install or self-host Zammad instead of Missive?+
Install: Deploy the Docker Compose/Portainer stack or install supported Linux packages. Setup: A comparatively large server and familiarity with Docker/Portainer, PostgreSQL and Elasticsearch
